From: Sami Tolvanen <samitolvanen@google.com> To: Mark Rutland <mark.rutland@arm.com> Cc: Will Deacon <will@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Steven Rostedt <rostedt@goodmis.org>, Masami Hiramatsu <mhiramat@kernel.org>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Dave Martin <Dave.Martin@arm.com>, Kees Cook <keescook@chromium.org>, Laura Abbott <labbott@redhat.com>, Nick Desaulniers <ndesaulniers@google.com>, Jann Horn <jannh@google.com>, Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>, Masahiro Yamada <yamada.masahiro@socionext.com>, clang-built-linux <clang-built-linux@googlegroups.com>, Kernel Hardening <kernel-hardening@lists.openwall.com>, linux-arm-kernel <linux-arm-kernel@lists.infradead.org>, LKML <linux-kernel@vger.kernel.org> Subject: Re: [PATCH v2 05/17] add support for Clang's Shadow Call Stack (SCS) Date: Fri, 25 Oct 2019 13:49:21 -0700 [thread overview] Message-ID: <CABCJKuc+XiDRdqfvjwCF7y=1wX3QO0MCUpeu4Gdcz91+nmnEAQ@mail.gmail.com> (raw) In-Reply-To: <20191025105643.GD40270@lakrids.cambridge.arm.com> On Fri, Oct 25, 2019 at 3:56 AM Mark Rutland <mark.rutland@arm.com> wrote: > > +#define SCS_SIZE 1024 > > I think it'd be worth a comment on how this size was chosen. IIRC this > empirical? Correct. I'll add a comment. > > +#define SCS_END_MAGIC 0xaf0194819b1635f6UL > > Keyboard smash? ... or is there a prize for whoever figures out the > secret? ;) It's a random number, so if someone figures out a secret in it, they'll definitely deserve a prize. :) > > +static inline void task_set_scs(struct task_struct *tsk, void *s) > > +{ > > + task_thread_info(tsk)->shadow_call_stack = s; > > +} > > This should probably be named get and set, or have: > > #define task_scs(tsk) (task_thread_info(tsk)->shadow_call_stack) > > ... which can have a trivial implementation as NULL for the !SCS case. Sure, sounds good. > For all the trivial wrappers you can put the implementation on the same > line as the prototype. That makes it a bit easier to compare against the > prototypes on the other side of the ifdeffery. > > e.g. this lot can be: > > static inline void *task_scs(struct task_struct *tsk) { return 0; } > static inline void task_set_scs(struct task_struct *tsk, void *s) { } > static inline void scs_init(void) { } Agreed. > > diff --git a/kernel/fork.c b/kernel/fork.c > > index bcdf53125210..ae7ebe9f0586 100644 > > --- a/kernel/fork.c > > +++ b/kernel/fork.c > > @@ -94,6 +94,7 @@ > > #include <linux/livepatch.h> > > #include <linux/thread_info.h> > > #include <linux/stackleak.h> > > +#include <linux/scs.h> > > Nit: alphabetical order, please (this should come before stackleak.h). The includes in kernel/fork.c aren't in alphabetical order, so I just added this to the end here. > > + retval = scs_prepare(p, node); > > + if (retval) > > + goto bad_fork_cleanup_thread; > > Can we please fold scs_prepare() into scs_task_init() and do this in > dup_task_struct()? That way we set this up consistently in one place, > where we're also allocating the regular stack. Yes, that does sound cleaner. I'll change that. > > + scs_task_reset(idle); > > I'm a bit confused by this -- please see comments below on > scs_task_reset(). > > +static inline void *__scs_base(struct task_struct *tsk) > > +{ > > + return (void *)((uintptr_t)task_scs(tsk) & ~(SCS_SIZE - 1)); > > +} > > We only ever assign the base to task_scs(tsk), with the current live > value being in a register that we don't read. Are we expecting arch code > to keep this up-to-date with the register value? > > I would have expected that we just leave this as the base (as we do for > the regular stack in the task struct), and it's down to arch code to > save/restore the current value where necessary. > > Am I missing some caveat with that approach? To keep the address of the currently active shadow stack out of memory, the arm64 implementation clears this field when it loads x18 and saves the current value before a context switch. The generic code doesn't expect the arch code to necessarily do so, but does allow it. This requires us to use __scs_base() when accessing the base pointer and to reset it in idle tasks before they're reused, hence scs_task_reset(). > > + BUILD_BUG_ON(SCS_SIZE > PAGE_SIZE); > > It's probably worth a comment on why we rely on SCS_SIZE <= PAGE_SIZE. Ack. > > +static inline unsigned long *scs_magic(struct task_struct *tsk) > > +{ > > + return (unsigned long *)(__scs_base(tsk) + SCS_SIZE - sizeof(long)); > > Slightly simpler as: > > return (unsigned long *)(__scs_base(tsk) + SCS_SIZE) - 1; Yes, that's a bit cleaner. I'll fix these in v3. Thank you for the review! Sami
WARNING: multiple messages have this Message-ID (diff)
From: Sami Tolvanen <samitolvanen@google.com> To: Mark Rutland <mark.rutland@arm.com> Cc: Kees Cook <keescook@chromium.org>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Masahiro Yamada <yamada.masahiro@socionext.com>, Catalin Marinas <catalin.marinas@arm.com>, Jann Horn <jannh@google.com>, Nick Desaulniers <ndesaulniers@google.com>, LKML <linux-kernel@vger.kernel.org>, Steven Rostedt <rostedt@goodmis.org>, Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>, Masami Hiramatsu <mhiramat@kernel.org>, clang-built-linux <clang-built-linux@googlegroups.com>, Kernel Hardening <kernel-hardening@lists.openwall.com>, Laura Abbott <labbott@redhat.com>, Will Deacon <will@kernel.org>, Dave Martin <Dave.Martin@arm.com>, linux-arm-kernel <linux-arm-kernel@lists.infradead.org> Subject: Re: [PATCH v2 05/17] add support for Clang's Shadow Call Stack (SCS) Date: Fri, 25 Oct 2019 13:49:21 -0700 [thread overview] Message-ID: <CABCJKuc+XiDRdqfvjwCF7y=1wX3QO0MCUpeu4Gdcz91+nmnEAQ@mail.gmail.com> (raw) In-Reply-To: <20191025105643.GD40270@lakrids.cambridge.arm.com> On Fri, Oct 25, 2019 at 3:56 AM Mark Rutland <mark.rutland@arm.com> wrote: > > +#define SCS_SIZE 1024 > > I think it'd be worth a comment on how this size was chosen. IIRC this > empirical? Correct. I'll add a comment. > > +#define SCS_END_MAGIC 0xaf0194819b1635f6UL > > Keyboard smash? ... or is there a prize for whoever figures out the > secret? ;) It's a random number, so if someone figures out a secret in it, they'll definitely deserve a prize. :) > > +static inline void task_set_scs(struct task_struct *tsk, void *s) > > +{ > > + task_thread_info(tsk)->shadow_call_stack = s; > > +} > > This should probably be named get and set, or have: > > #define task_scs(tsk) (task_thread_info(tsk)->shadow_call_stack) > > ... which can have a trivial implementation as NULL for the !SCS case. Sure, sounds good. > For all the trivial wrappers you can put the implementation on the same > line as the prototype. That makes it a bit easier to compare against the > prototypes on the other side of the ifdeffery. > > e.g. this lot can be: > > static inline void *task_scs(struct task_struct *tsk) { return 0; } > static inline void task_set_scs(struct task_struct *tsk, void *s) { } > static inline void scs_init(void) { } Agreed. > > diff --git a/kernel/fork.c b/kernel/fork.c > > index bcdf53125210..ae7ebe9f0586 100644 > > --- a/kernel/fork.c > > +++ b/kernel/fork.c > > @@ -94,6 +94,7 @@ > > #include <linux/livepatch.h> > > #include <linux/thread_info.h> > > #include <linux/stackleak.h> > > +#include <linux/scs.h> > > Nit: alphabetical order, please (this should come before stackleak.h). The includes in kernel/fork.c aren't in alphabetical order, so I just added this to the end here. > > + retval = scs_prepare(p, node); > > + if (retval) > > + goto bad_fork_cleanup_thread; > > Can we please fold scs_prepare() into scs_task_init() and do this in > dup_task_struct()? That way we set this up consistently in one place, > where we're also allocating the regular stack. Yes, that does sound cleaner. I'll change that. > > + scs_task_reset(idle); > > I'm a bit confused by this -- please see comments below on > scs_task_reset(). > > +static inline void *__scs_base(struct task_struct *tsk) > > +{ > > + return (void *)((uintptr_t)task_scs(tsk) & ~(SCS_SIZE - 1)); > > +} > > We only ever assign the base to task_scs(tsk), with the current live > value being in a register that we don't read. Are we expecting arch code > to keep this up-to-date with the register value? > > I would have expected that we just leave this as the base (as we do for > the regular stack in the task struct), and it's down to arch code to > save/restore the current value where necessary. > > Am I missing some caveat with that approach? To keep the address of the currently active shadow stack out of memory, the arm64 implementation clears this field when it loads x18 and saves the current value before a context switch. The generic code doesn't expect the arch code to necessarily do so, but does allow it. This requires us to use __scs_base() when accessing the base pointer and to reset it in idle tasks before they're reused, hence scs_task_reset(). > > + BUILD_BUG_ON(SCS_SIZE > PAGE_SIZE); > > It's probably worth a comment on why we rely on SCS_SIZE <= PAGE_SIZE. Ack. > > +static inline unsigned long *scs_magic(struct task_struct *tsk) > > +{ > > + return (unsigned long *)(__scs_base(tsk) + SCS_SIZE - sizeof(long)); > > Slightly simpler as: > > return (unsigned long *)(__scs_base(tsk) + SCS_SIZE) - 1; Yes, that's a bit cleaner. I'll fix these in v3. Thank you for the review! Sami _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-10-25 20:49 UTC|newest] Thread overview: 1147+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-10-18 16:10 [PATCH 00/18] add support for Clang's Shadow Call Stack Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` [PATCH 01/18] arm64: mm: don't use x18 in idmap_kpti_install_ng_mappings Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:43 ` Nick Desaulniers 2019-10-18 16:43 ` Nick Desaulniers 2019-10-18 16:43 ` Nick Desaulniers 2019-10-18 16:10 ` [PATCH 02/18] arm64/lib: copy_page: avoid x18 register in assembler code Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` [PATCH 03/18] arm64: kvm: stop treating register x18 as caller save Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-21 6:19 ` Ard Biesheuvel 2019-10-21 6:19 ` Ard Biesheuvel 2019-10-21 6:19 ` Ard Biesheuvel 2019-10-22 17:22 ` Marc Zyngier 2019-10-22 17:22 ` Marc Zyngier 2019-10-22 21:45 ` Sami Tolvanen 2019-10-22 21:45 ` Sami Tolvanen 2019-10-22 21:45 ` Sami Tolvanen 2019-10-18 16:10 ` [PATCH 04/18] arm64: kernel: avoid x18 as an arbitrary temp register Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` [PATCH 05/18] arm64: kbuild: reserve reg x18 from general allocation by the compiler Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 17:32 ` Nick Desaulniers 2019-10-18 17:32 ` Nick Desaulniers 2019-10-18 17:32 ` Nick Desaulniers 2019-10-18 19:00 ` Sami Tolvanen 2019-10-18 19:00 ` Sami Tolvanen 2019-10-18 19:00 ` Sami Tolvanen 2019-10-21 6:12 ` Ard Biesheuvel 2019-10-21 6:12 ` Ard Biesheuvel 2019-10-21 6:12 ` Ard Biesheuvel 2019-10-21 20:43 ` Sami Tolvanen 2019-10-21 20:43 ` Sami Tolvanen 2019-10-21 20:43 ` Sami Tolvanen 2019-10-18 16:10 ` [PATCH 06/18] add support for Clang's Shadow Call Stack (SCS) Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:58 ` Joe Perches 2019-10-18 16:58 ` Joe Perches 2019-10-18 16:58 ` Joe Perches 2019-10-18 17:08 ` Nick Desaulniers 2019-10-18 17:08 ` Nick Desaulniers 2019-10-18 17:08 ` Nick Desaulniers 2019-10-18 17:11 ` Sami Tolvanen 2019-10-18 17:11 ` Sami Tolvanen 2019-10-18 17:11 ` Sami Tolvanen 2019-10-18 18:32 ` Miguel Ojeda 2019-10-18 18:32 ` Miguel Ojeda 2019-10-18 18:32 ` Miguel Ojeda 2019-10-18 20:33 ` Nick Desaulniers 2019-10-18 20:33 ` Nick Desaulniers 2019-10-18 20:33 ` Nick Desaulniers 2019-10-19 0:21 ` Miguel Ojeda 2019-10-19 0:21 ` Miguel Ojeda 2019-10-19 0:21 ` Miguel Ojeda 2019-10-18 17:42 ` Jann Horn 2019-10-18 17:42 ` Jann Horn 2019-10-18 17:42 ` Jann Horn 2019-10-18 17:56 ` Sami Tolvanen 2019-10-18 17:56 ` Sami Tolvanen 2019-10-18 17:56 ` Sami Tolvanen 2019-10-22 16:28 ` Mark Rutland 2019-10-22 16:28 ` Mark Rutland 2019-10-22 16:30 ` Kees Cook 2019-10-22 16:30 ` Kees Cook 2019-10-22 16:49 ` Mark Rutland 2019-10-22 16:49 ` Mark Rutland 2019-10-22 19:26 ` Sami Tolvanen 2019-10-22 19:26 ` Sami Tolvanen 2019-10-22 19:26 ` Sami Tolvanen 2019-10-24 13:28 ` Mark Rutland 2019-10-24 13:28 ` Mark Rutland 2019-10-24 14:38 ` Masahiro Yamada 2019-10-24 14:38 ` Masahiro Yamada 2019-10-23 16:59 ` Sami Tolvanen 2019-10-23 16:59 ` Sami Tolvanen 2019-10-23 16:59 ` Sami Tolvanen 2019-10-24 1:47 ` Masahiro Yamada 2019-10-24 1:47 ` Masahiro Yamada 2019-10-24 12:04 ` Steven Rostedt 2019-10-24 12:04 ` Steven Rostedt 2019-10-24 22:17 ` Sami Tolvanen 2019-10-24 22:17 ` Sami Tolvanen 2019-10-24 22:17 ` Sami Tolvanen 2019-10-18 16:10 ` [PATCH 07/18] scs: add accounting Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` [PATCH 08/18] scs: add support for stack usage debugging Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` [PATCH 09/18] trace: disable function graph tracing with SCS Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 17:01 ` Steven Rostedt 2019-10-18 17:01 ` Steven Rostedt 2019-10-18 17:08 ` Sami Tolvanen 2019-10-18 17:08 ` Sami Tolvanen 2019-10-18 17:08 ` Sami Tolvanen 2019-10-21 6:15 ` Ard Biesheuvel 2019-10-21 6:15 ` Ard Biesheuvel 2019-10-21 6:15 ` Ard Biesheuvel 2019-10-18 16:10 ` [PATCH 10/18] kprobes: fix compilation without CONFIG_KRETPROBES Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 17:02 ` Steven Rostedt 2019-10-18 17:02 ` Steven Rostedt 2019-10-21 9:13 ` Masami Hiramatsu 2019-10-21 9:13 ` Masami Hiramatsu 2019-10-18 16:10 ` [PATCH 11/18] kprobes: disable kretprobes with SCS Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 17:04 ` Steven Rostedt 2019-10-18 17:04 ` Steven Rostedt 2019-10-21 9:15 ` Masami Hiramatsu 2019-10-21 9:15 ` Masami Hiramatsu 2019-10-18 16:10 ` [PATCH 12/18] arm64: reserve x18 only with Shadow Call Stack Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 21:23 ` Nick Desaulniers 2019-10-18 21:23 ` Nick Desaulniers 2019-10-18 21:23 ` Nick Desaulniers 2019-10-22 16:00 ` Mark Rutland 2019-10-22 16:00 ` Mark Rutland 2019-10-22 16:27 ` Kees Cook 2019-10-22 16:27 ` Kees Cook 2019-10-18 16:10 ` [PATCH 13/18] arm64: preserve x18 when CPU is suspended Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:49 ` Nick Desaulniers 2019-10-18 16:49 ` Nick Desaulniers 2019-10-18 16:49 ` Nick Desaulniers 2019-10-18 17:05 ` Sami Tolvanen 2019-10-18 17:05 ` Sami Tolvanen 2019-10-18 17:05 ` Sami Tolvanen 2019-10-21 16:56 ` Mark Rutland 2019-10-21 16:56 ` Mark Rutland 2019-10-21 22:43 ` Sami Tolvanen 2019-10-21 22:43 ` Sami Tolvanen 2019-10-21 22:43 ` Sami Tolvanen 2019-10-22 15:47 ` Mark Rutland 2019-10-22 15:47 ` Mark Rutland 2019-10-18 16:10 ` [PATCH 14/18] arm64: efi: restore x18 if it was corrupted Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-21 6:20 ` Ard Biesheuvel 2019-10-21 6:20 ` Ard Biesheuvel 2019-10-21 6:20 ` Ard Biesheuvel 2019-10-21 22:39 ` Sami Tolvanen 2019-10-21 22:39 ` Sami Tolvanen 2019-10-21 22:39 ` Sami Tolvanen 2019-10-22 5:54 ` Ard Biesheuvel 2019-10-22 5:54 ` Ard Biesheuvel 2019-10-22 5:54 ` Ard Biesheuvel 2019-10-18 16:10 ` [PATCH 15/18] arm64: vdso: disable Shadow Call Stack Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` [PATCH 16/18] arm64: kprobes: fix kprobes without CONFIG_KRETPROBES Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-21 6:21 ` Ard Biesheuvel 2019-10-21 6:21 ` Ard Biesheuvel 2019-10-21 6:21 ` Ard Biesheuvel 2019-10-21 16:06 ` Kees Cook 2019-10-21 16:06 ` Kees Cook 2019-10-18 16:10 ` [PATCH 17/18] arm64: disable SCS for hypervisor code Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` [PATCH 18/18] arm64: implement Shadow Call Stack Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 16:10 ` Sami Tolvanen 2019-10-18 17:12 ` Jann Horn 2019-10-18 17:12 ` Jann Horn 2019-10-18 17:12 ` Jann Horn 2019-10-18 17:18 ` Sami Tolvanen 2019-10-18 17:18 ` Sami Tolvanen 2019-10-18 17:18 ` Sami Tolvanen 2019-10-18 17:23 ` Mark Rutland 2019-10-18 17:23 ` Mark Rutland 2019-10-18 17:35 ` Sami Tolvanen 2019-10-18 17:35 ` Sami Tolvanen 2019-10-18 17:35 ` Sami Tolvanen 2019-10-21 16:49 ` Mark Rutland 2019-10-21 16:49 ` Mark Rutland 2019-10-21 9:28 ` [PATCH 00/18] add support for Clang's " Masami Hiramatsu 2019-10-21 9:28 ` Masami Hiramatsu 2019-10-24 22:51 ` [PATCH v2 00/17] " samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` [PATCH v2 01/17] arm64: mm: don't use x18 in idmap_kpti_install_ng_mappings samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-25 9:24 ` Mark Rutland 2019-10-25 9:24 ` Mark Rutland 2019-10-24 22:51 ` [PATCH v2 02/17] arm64/lib: copy_page: avoid x18 register in assembler code samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-25 9:41 ` Mark Rutland 2019-10-25 9:41 ` Mark Rutland 2019-10-25 21:40 ` Sami Tolvanen 2019-10-25 21:40 ` Sami Tolvanen 2019-10-25 21:40 ` Sami Tolvanen 2019-10-24 22:51 ` [PATCH v2 03/17] arm64: kvm: stop treating register x18 as caller save samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` [PATCH v2 04/17] arm64: kernel: avoid x18 as an arbitrary temp register samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-25 10:02 ` Mark Rutland 2019-10-25 10:02 ` Mark Rutland 2019-10-24 22:51 ` [PATCH v2 05/17] add support for Clang's Shadow Call Stack (SCS) samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-25 10:56 ` Mark Rutland 2019-10-25 10:56 ` Mark Rutland 2019-10-25 20:49 ` Sami Tolvanen [this message] 2019-10-25 20:49 ` Sami Tolvanen 2019-10-25 20:49 ` Sami Tolvanen 2019-10-28 16:35 ` Mark Rutland 2019-10-28 16:35 ` Mark Rutland 2019-10-28 19:57 ` Kees Cook 2019-10-28 19:57 ` Kees Cook 2019-10-29 18:06 ` Sami Tolvanen 2019-10-29 18:06 ` Sami Tolvanen 2019-10-29 18:06 ` Sami Tolvanen 2019-10-25 16:22 ` Nick Desaulniers 2019-10-25 16:22 ` Nick Desaulniers 2019-10-25 16:22 ` Nick Desaulniers 2019-10-25 20:51 ` Sami Tolvanen 2019-10-25 20:51 ` Sami Tolvanen 2019-10-25 20:51 ` Sami Tolvanen 2019-10-26 15:57 ` Joe Perches 2019-10-26 15:57 ` Joe Perches 2019-10-26 15:57 ` Joe Perches 2019-10-28 15:19 ` Sami Tolvanen 2019-10-28 15:19 ` Sami Tolvanen 2019-10-28 15:19 ` Sami Tolvanen 2019-10-28 15:31 ` Miguel Ojeda 2019-10-28 16:15 ` Sami Tolvanen 2019-10-28 16:15 ` Sami Tolvanen 2019-10-28 16:15 ` Sami Tolvanen 2019-10-24 22:51 ` [PATCH v2 06/17] scs: add accounting samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` [PATCH v2 07/17] scs: add support for stack usage debugging samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` [PATCH v2 08/17] kprobes: fix compilation without CONFIG_KRETPROBES samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` [PATCH v2 09/17] arm64: disable function graph tracing with SCS samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-25 11:03 ` Mark Rutland 2019-10-25 11:03 ` Mark Rutland 2019-10-29 17:45 ` Sami Tolvanen 2019-10-29 17:45 ` Sami Tolvanen 2019-10-29 17:45 ` Sami Tolvanen 2019-10-29 20:35 ` Nick Desaulniers 2019-10-29 20:35 ` Nick Desaulniers 2019-10-29 20:35 ` Nick Desaulniers 2019-10-24 22:51 ` [PATCH v2 10/17] arm64: disable kretprobes " samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` [PATCH v2 11/17] arm64: reserve x18 from general allocation " samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` [PATCH v2 12/17] arm64: preserve x18 when CPU is suspended samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` [PATCH v2 13/17] arm64: efi: restore x18 if it was corrupted samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` [PATCH v2 14/17] arm64: vdso: disable Shadow Call Stack samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` [PATCH v2 15/17] arm64: kprobes: fix kprobes without CONFIG_KRETPROBES samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` [PATCH v2 16/17] arm64: disable SCS for hypervisor code samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-25 1:20 ` Steven Rostedt 2019-10-25 1:20 ` Steven Rostedt 2019-10-25 1:29 ` Masahiro Yamada 2019-10-25 1:29 ` Masahiro Yamada 2019-10-25 1:42 ` Steven Rostedt 2019-10-25 1:42 ` Steven Rostedt 2019-10-25 19:24 ` Sami Tolvanen 2019-10-25 19:24 ` Sami Tolvanen 2019-10-25 19:24 ` Sami Tolvanen 2019-10-24 22:51 ` [PATCH v2 17/17] arm64: implement Shadow Call Stack samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-24 22:51 ` samitolvanen 2019-10-31 16:46 ` [PATCH v3 00/17] add support for Clang's " samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` [PATCH v3 01/17] arm64: mm: avoid x18 in idmap_kpti_install_ng_mappings samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` [PATCH v3 02/17] arm64/lib: copy_page: avoid x18 register in assembler code samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` [PATCH v3 03/17] arm64: kvm: stop treating register x18 as caller save samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-11-01 3:48 ` Kees Cook 2019-11-01 3:48 ` Kees Cook 2019-10-31 16:46 ` [PATCH v3 04/17] arm64: kernel: avoid x18 __cpu_soft_restart samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-11-01 3:47 ` Kees Cook 2019-11-01 3:47 ` Kees Cook 2019-10-31 16:46 ` [PATCH v3 05/17] add support for Clang's Shadow Call Stack (SCS) samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-11-01 3:51 ` Kees Cook 2019-11-01 3:51 ` Kees Cook 2019-11-01 16:28 ` Sami Tolvanen 2019-11-01 16:28 ` Sami Tolvanen 2019-11-01 16:28 ` Sami Tolvanen 2019-10-31 16:46 ` [PATCH v3 06/17] scs: add accounting samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-11-01 3:52 ` Kees Cook 2019-11-01 3:52 ` Kees Cook 2019-10-31 16:46 ` [PATCH v3 07/17] scs: add support for stack usage debugging samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-11-01 3:55 ` Kees Cook 2019-11-01 3:55 ` Kees Cook 2019-11-01 16:32 ` Sami Tolvanen 2019-11-01 16:32 ` Sami Tolvanen 2019-11-01 16:32 ` Sami Tolvanen 2019-11-01 19:02 ` Kees Cook 2019-11-01 19:02 ` Kees Cook 2019-10-31 16:46 ` [PATCH v3 08/17] kprobes: fix compilation without CONFIG_KRETPROBES samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-11-01 3:55 ` Kees Cook 2019-11-01 3:55 ` Kees Cook 2019-10-31 16:46 ` [PATCH v3 09/17] arm64: kprobes: fix kprobes " samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-11-01 3:56 ` Kees Cook 2019-11-01 3:56 ` Kees Cook 2019-10-31 16:46 ` [PATCH v3 10/17] arm64: disable kretprobes with SCS samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-11-01 3:56 ` Kees Cook 2019-11-01 3:56 ` Kees Cook 2019-10-31 16:46 ` [PATCH v3 11/17] arm64: disable function graph tracing " samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-11-01 3:58 ` Kees Cook 2019-11-01 3:58 ` Kees Cook 2019-11-01 20:32 ` Sami Tolvanen 2019-11-01 20:32 ` Sami Tolvanen 2019-11-01 20:32 ` Sami Tolvanen 2019-10-31 16:46 ` [PATCH v3 12/17] arm64: reserve x18 from general allocation " samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 17:11 ` Nick Desaulniers 2019-10-31 17:11 ` Nick Desaulniers 2019-10-31 17:11 ` Nick Desaulniers 2019-11-01 3:59 ` Kees Cook 2019-11-01 3:59 ` Kees Cook 2019-10-31 16:46 ` [PATCH v3 13/17] arm64: preserve x18 when CPU is suspended samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 17:18 ` Nick Desaulniers 2019-10-31 17:18 ` Nick Desaulniers 2019-10-31 17:18 ` Nick Desaulniers 2019-10-31 17:27 ` Sami Tolvanen 2019-10-31 17:27 ` Sami Tolvanen 2019-10-31 17:27 ` Sami Tolvanen 2019-10-31 17:34 ` Nick Desaulniers 2019-10-31 17:34 ` Nick Desaulniers 2019-10-31 17:34 ` Nick Desaulniers 2019-10-31 17:42 ` Sami Tolvanen 2019-10-31 17:42 ` Sami Tolvanen 2019-10-31 17:42 ` Sami Tolvanen 2019-11-01 3:59 ` Kees Cook 2019-11-01 3:59 ` Kees Cook 2019-10-31 16:46 ` [PATCH v3 14/17] arm64: efi: restore x18 if it was corrupted samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-11-01 4:00 ` Kees Cook 2019-11-01 4:00 ` Kees Cook 2019-10-31 16:46 ` [PATCH v3 15/17] arm64: vdso: disable Shadow Call Stack samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 17:28 ` Nick Desaulniers 2019-10-31 17:28 ` Nick Desaulniers 2019-10-31 17:28 ` Nick Desaulniers 2019-11-01 4:01 ` Kees Cook 2019-11-01 4:01 ` Kees Cook 2019-10-31 16:46 ` [PATCH v3 16/17] arm64: disable SCS for hypervisor code samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-11-01 3:46 ` Kees Cook 2019-11-01 3:46 ` Kees Cook 2019-11-01 4:02 ` Kees Cook 2019-11-01 4:02 ` Kees Cook 2019-10-31 16:46 ` [PATCH v3 17/17] arm64: implement Shadow Call Stack samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-10-31 16:46 ` samitolvanen 2019-11-01 3:45 ` Kees Cook 2019-11-01 3:45 ` Kees Cook 2019-11-01 15:44 ` Sami Tolvanen 2019-11-01 15:44 ` Sami Tolvanen 2019-11-01 15:44 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 00/17] add support for Clang's " Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 01/17] arm64: mm: avoid x18 in idmap_kpti_install_ng_mappings Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 02/17] arm64/lib: copy_page: avoid x18 register in assembler code Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 03/17] arm64: kvm: stop treating register x18 as caller save Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-04 11:04 ` Marc Zyngier 2019-11-04 11:04 ` Marc Zyngier 2019-11-04 13:30 ` Marc Zyngier 2019-11-04 13:30 ` Marc Zyngier 2019-11-04 11:51 ` Mark Rutland 2019-11-04 11:51 ` Mark Rutland 2019-11-04 21:44 ` Sami Tolvanen 2019-11-04 21:44 ` Sami Tolvanen 2019-11-04 21:44 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 04/17] arm64: kernel: avoid x18 __cpu_soft_restart Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-04 11:39 ` Mark Rutland 2019-11-04 11:39 ` Mark Rutland 2019-11-04 16:44 ` Sami Tolvanen 2019-11-04 16:44 ` Sami Tolvanen 2019-11-04 16:44 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 05/17] add support for Clang's Shadow Call Stack (SCS) Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:36 ` Miguel Ojeda 2019-11-01 22:36 ` Miguel Ojeda 2019-11-01 22:36 ` Miguel Ojeda 2019-11-04 12:31 ` Mark Rutland 2019-11-04 12:31 ` Mark Rutland 2019-11-04 18:25 ` Sami Tolvanen 2019-11-04 18:25 ` Sami Tolvanen 2019-11-04 18:25 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 06/17] scs: add accounting Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-04 13:13 ` Marc Zyngier 2019-11-04 13:13 ` Marc Zyngier 2019-11-04 16:42 ` Sami Tolvanen 2019-11-04 16:42 ` Sami Tolvanen 2019-11-04 16:42 ` Sami Tolvanen 2019-11-04 16:59 ` Marc Zyngier 2019-11-04 16:59 ` Marc Zyngier 2019-11-01 22:11 ` [PATCH v4 07/17] scs: add support for stack usage debugging Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-02 17:31 ` Kees Cook 2019-11-02 17:31 ` Kees Cook 2019-11-04 12:40 ` Mark Rutland 2019-11-04 12:40 ` Mark Rutland 2019-11-04 21:35 ` Sami Tolvanen 2019-11-04 21:35 ` Sami Tolvanen 2019-11-04 21:35 ` Sami Tolvanen 2019-11-05 9:17 ` Mark Rutland 2019-11-05 9:17 ` Mark Rutland 2019-11-01 22:11 ` [PATCH v4 08/17] kprobes: fix compilation without CONFIG_KRETPROBES Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-13 20:27 ` Steven Rostedt 2019-11-13 20:27 ` Steven Rostedt 2019-11-01 22:11 ` [PATCH v4 09/17] arm64: kprobes: fix kprobes " Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 10/17] arm64: disable kretprobes with SCS Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-04 17:04 ` Mark Rutland 2019-11-04 17:04 ` Mark Rutland 2019-11-04 23:42 ` Sami Tolvanen 2019-11-04 23:42 ` Sami Tolvanen 2019-11-04 23:42 ` Sami Tolvanen 2019-11-05 9:04 ` Mark Rutland 2019-11-05 9:04 ` Mark Rutland 2019-11-01 22:11 ` [PATCH v4 11/17] arm64: disable function graph tracing " Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-04 17:11 ` Mark Rutland 2019-11-04 17:11 ` Mark Rutland 2019-11-04 23:44 ` Sami Tolvanen 2019-11-04 23:44 ` Sami Tolvanen 2019-11-04 23:44 ` Sami Tolvanen 2019-11-05 9:15 ` Mark Rutland 2019-11-05 9:15 ` Mark Rutland 2019-11-05 20:00 ` Nick Desaulniers 2019-11-05 20:00 ` Nick Desaulniers 2019-11-05 20:00 ` Nick Desaulniers 2019-11-05 22:05 ` Sami Tolvanen 2019-11-05 22:05 ` Sami Tolvanen 2019-11-05 22:05 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 12/17] arm64: reserve x18 from general allocation " Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 13/17] arm64: preserve x18 when CPU is suspended Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-04 13:20 ` Marc Zyngier 2019-11-04 13:20 ` Marc Zyngier 2019-11-04 21:38 ` Sami Tolvanen 2019-11-04 21:38 ` Sami Tolvanen 2019-11-04 21:38 ` Sami Tolvanen 2019-11-04 21:59 ` Nick Desaulniers 2019-11-04 21:59 ` Nick Desaulniers 2019-11-04 21:59 ` Nick Desaulniers 2019-11-05 0:02 ` Sami Tolvanen 2019-11-05 0:02 ` Sami Tolvanen 2019-11-05 0:02 ` Sami Tolvanen 2019-11-05 14:55 ` Marc Zyngier 2019-11-05 14:55 ` Marc Zyngier 2019-11-01 22:11 ` [PATCH v4 14/17] arm64: efi: restore x18 if it was corrupted Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 15/17] arm64: vdso: disable Shadow Call Stack Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 16/17] arm64: disable SCS for hypervisor code Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` [PATCH v4 17/17] arm64: implement Shadow Call Stack Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-01 22:11 ` Sami Tolvanen 2019-11-05 23:55 ` [PATCH v5 00/14] add support for Clang's " Sami Tolvanen 2019-11-05 23:55 ` Sami Tolvanen 2019-11-05 23:55 ` Sami Tolvanen 2019-11-05 23:55 ` [PATCH v5 01/14] arm64: mm: avoid x18 in idmap_kpti_install_ng_mappings Sami Tolvanen 2019-11-05 23:55 ` Sami Tolvanen 2019-11-05 23:55 ` Sami Tolvanen 2019-11-05 23:55 ` [PATCH v5 02/14] arm64/lib: copy_page: avoid x18 register in assembler code Sami Tolvanen 2019-11-05 23:55 ` Sami Tolvanen 2019-11-05 23:55 ` Sami Tolvanen 2019-11-05 23:55 ` [PATCH v5 03/14] arm64: kvm: stop treating register x18 as caller save Sami Tolvanen 2019-11-05 23:55 ` Sami Tolvanen 2019-11-05 23:55 ` Sami Tolvanen 2019-11-05 23:55 ` [PATCH v5 04/14] arm64: kernel: avoid x18 in __cpu_soft_restart Sami Tolvanen 2019-11-05 23:55 ` Sami Tolvanen 2019-11-05 23:55 ` Sami Tolvanen 2019-11-05 23:55 ` [PATCH v5 05/14] add support for Clang's Shadow Call Stack (SCS) Sami Tolvanen 2019-11-05 23:55 ` Sami Tolvanen 2019-11-05 23:55 ` Sami Tolvanen 2019-11-15 15:37 ` Mark Rutland 2019-11-15 15:37 ` Mark Rutland 2019-11-15 18:34 ` Sami Tolvanen 2019-11-15 18:34 ` Sami Tolvanen 2019-11-15 18:34 ` Sami Tolvanen 2019-11-05 23:56 ` [PATCH v5 06/14] scs: add accounting Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-05 23:56 ` [PATCH v5 07/14] scs: add support for stack usage debugging Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-05 23:56 ` [PATCH v5 08/14] arm64: disable function graph tracing with SCS Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-15 14:18 ` Mark Rutland 2019-11-15 14:18 ` Mark Rutland 2019-11-05 23:56 ` [PATCH v5 09/14] arm64: reserve x18 from general allocation " Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-05 23:56 ` [PATCH v5 10/14] arm64: preserve x18 when CPU is suspended Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-06 20:39 ` Nick Desaulniers 2019-11-06 20:39 ` Nick Desaulniers 2019-11-06 20:39 ` Nick Desaulniers 2019-11-15 14:27 ` Mark Rutland 2019-11-15 14:27 ` Mark Rutland 2019-11-05 23:56 ` [PATCH v5 11/14] arm64: efi: restore x18 if it was corrupted Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-06 4:45 ` Miguel Ojeda 2019-11-06 4:45 ` Miguel Ojeda 2019-11-06 4:45 ` Miguel Ojeda 2019-11-07 10:51 ` Ard Biesheuvel 2019-11-07 10:51 ` Ard Biesheuvel 2019-11-07 10:51 ` Ard Biesheuvel 2019-11-07 16:26 ` Sami Tolvanen 2019-11-07 16:26 ` Sami Tolvanen 2019-11-07 16:26 ` Sami Tolvanen 2019-11-05 23:56 ` [PATCH v5 12/14] arm64: vdso: disable Shadow Call Stack Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-15 14:43 ` Mark Rutland 2019-11-15 14:43 ` Mark Rutland 2019-11-05 23:56 ` [PATCH v5 13/14] arm64: disable SCS for hypervisor code Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-15 14:46 ` Mark Rutland 2019-11-15 14:46 ` Mark Rutland 2019-11-05 23:56 ` [PATCH v5 14/14] arm64: implement Shadow Call Stack Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-05 23:56 ` Sami Tolvanen 2019-11-15 15:20 ` Mark Rutland 2019-11-15 15:20 ` Mark Rutland 2019-11-15 20:19 ` Sami Tolvanen 2019-11-15 20:19 ` Sami Tolvanen 2019-11-15 20:19 ` Sami Tolvanen 2019-11-18 23:13 ` Sami Tolvanen 2019-11-18 23:13 ` Sami Tolvanen 2019-11-12 23:44 ` [PATCH v5 00/14] add support for Clang's " Kees Cook 2019-11-12 23:44 ` Kees Cook 2019-11-13 12:03 ` Will Deacon 2019-11-13 12:03 ` Will Deacon 2019-11-13 18:33 ` Kees Cook 2019-11-13 18:33 ` Kees Cook 2019-11-15 14:16 ` Mark Rutland 2019-11-15 14:16 ` Mark Rutland 2019-12-06 22:13 ` [PATCH v6 00/15] " Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` [PATCH v6 01/15] arm64: mm: avoid x18 in idmap_kpti_install_ng_mappings Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` [PATCH v6 02/15] arm64/lib: copy_page: avoid x18 register in assembler code Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` [PATCH v6 03/15] arm64: kvm: stop treating register x18 as caller save Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` [PATCH v6 04/15] arm64: kernel: avoid x18 in __cpu_soft_restart Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` [PATCH v6 05/15] add support for Clang's Shadow Call Stack (SCS) Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` [PATCH v6 06/15] scs: add accounting Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` [PATCH v6 07/15] scs: add support for stack usage debugging Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` [PATCH v6 08/15] arm64: disable function graph tracing with SCS Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2020-01-16 17:39 ` Will Deacon 2020-01-16 17:39 ` Will Deacon 2020-01-16 21:45 ` Sami Tolvanen 2020-01-16 21:45 ` Sami Tolvanen 2020-01-16 21:45 ` Sami Tolvanen 2019-12-06 22:13 ` [PATCH v6 09/15] arm64: reserve x18 from general allocation " Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2020-01-16 17:37 ` Will Deacon 2020-01-16 17:37 ` Will Deacon 2019-12-06 22:13 ` [PATCH v6 10/15] arm64: preserve x18 when CPU is suspended Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2020-01-16 17:42 ` Will Deacon 2020-01-16 17:42 ` Will Deacon 2019-12-06 22:13 ` [PATCH v6 11/15] arm64: efi: restore x18 if it was corrupted Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2020-01-16 17:44 ` Will Deacon 2020-01-16 17:44 ` Will Deacon 2020-01-16 20:36 ` Sami Tolvanen 2020-01-16 20:36 ` Sami Tolvanen 2020-01-16 20:36 ` Sami Tolvanen 2019-12-06 22:13 ` [PATCH v6 12/15] arm64: vdso: disable Shadow Call Stack Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2020-01-16 17:46 ` Will Deacon 2020-01-16 17:46 ` Will Deacon 2020-01-16 18:14 ` Sami Tolvanen 2020-01-16 18:14 ` Sami Tolvanen 2020-01-16 18:14 ` Sami Tolvanen 2020-01-16 18:18 ` Will Deacon 2020-01-16 18:18 ` Will Deacon 2019-12-06 22:13 ` [PATCH v6 13/15] arm64: disable SCS for hypervisor code Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2020-01-16 17:47 ` Will Deacon 2020-01-16 17:47 ` Will Deacon 2020-01-16 20:16 ` Sami Tolvanen 2020-01-16 20:16 ` Sami Tolvanen 2020-01-16 20:16 ` Sami Tolvanen 2019-12-06 22:13 ` [PATCH v6 14/15] arm64: implement Shadow Call Stack Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2020-01-16 18:24 ` Will Deacon 2020-01-16 18:24 ` Will Deacon 2020-01-16 21:57 ` Sami Tolvanen 2020-01-16 21:57 ` Sami Tolvanen 2020-01-16 21:57 ` Sami Tolvanen 2019-12-06 22:13 ` [PATCH v6 15/15] arm64: scs: add shadow stacks for SDEI Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2019-12-06 22:13 ` Sami Tolvanen 2020-01-16 17:48 ` Will Deacon 2020-01-16 17:48 ` Will Deacon 2020-01-16 18:24 ` [PATCH v6 00/15] add support for Clang's Shadow Call Stack Will Deacon 2020-01-16 18:24 ` Will Deacon 2020-01-28 18:49 ` [PATCH v7 00/11] " Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` [PATCH v7 01/11] add support for Clang's Shadow Call Stack (SCS) Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` [PATCH v7 02/11] scs: add accounting Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` [PATCH v7 03/11] scs: add support for stack usage debugging Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` [PATCH v7 04/11] scs: disable when function graph tracing is enabled Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 22:50 ` Kees Cook 2020-01-28 22:50 ` Kees Cook 2020-01-28 18:49 ` [PATCH v7 05/11] arm64: reserve x18 from general allocation with SCS Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` [PATCH v7 06/11] arm64: preserve x18 when CPU is suspended Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` [PATCH v7 07/11] arm64: efi: restore x18 if it was corrupted Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-02-10 16:41 ` Will Deacon 2020-02-10 16:41 ` Will Deacon 2020-01-28 18:49 ` [PATCH v7 08/11] arm64: vdso: disable Shadow Call Stack Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` [PATCH v7 09/11] arm64: disable SCS for hypervisor code Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-02-10 16:44 ` Will Deacon 2020-02-10 16:44 ` Will Deacon 2020-02-10 17:18 ` James Morse 2020-02-10 17:18 ` James Morse 2020-02-10 17:52 ` Will Deacon 2020-02-10 17:52 ` Will Deacon 2020-02-10 18:03 ` Mark Rutland 2020-02-10 18:03 ` Mark Rutland 2020-02-10 18:07 ` Will Deacon 2020-02-10 18:07 ` Will Deacon 2020-02-10 18:24 ` Mark Rutland 2020-02-10 18:24 ` Mark Rutland 2020-02-11 9:54 ` Will Deacon 2020-02-11 9:54 ` Will Deacon 2020-02-12 17:30 ` Sami Tolvanen 2020-02-12 17:30 ` Sami Tolvanen 2020-02-12 17:30 ` Sami Tolvanen 2020-02-11 9:14 ` Marc Zyngier 2020-02-11 9:14 ` Marc Zyngier 2020-02-11 9:55 ` Will Deacon 2020-02-11 9:55 ` Will Deacon 2020-02-11 10:00 ` Marc Zyngier 2020-02-11 10:00 ` Marc Zyngier 2020-01-28 18:49 ` [PATCH v7 10/11] arm64: implement Shadow Call Stack Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` [PATCH v7 11/11] arm64: scs: add shadow stacks for SDEI Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-01-28 18:49 ` Sami Tolvanen 2020-02-11 13:57 ` James Morse 2020-02-11 13:57 ` James Morse 2020-02-12 20:59 ` Sami Tolvanen 2020-02-12 20:59 ` Sami Tolvanen 2020-02-12 20:59 ` Sami Tolvanen 2020-02-14 18:13 ` James Morse 2020-02-14 18:13 ` James Morse 2020-02-11 13:57 ` [PATCH v7 00/11] add support for Clang's Shadow Call Stack James Morse 2020-02-11 13:57 ` James Morse 2020-02-12 17:36 ` Sami Tolvanen 2020-02-12 17:36 ` Sami Tolvanen 2020-02-12 17:36 ` Sami Tolvanen 2020-02-19 0:08 ` [PATCH v8 00/12] " Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` [PATCH v8 01/12] add support for Clang's Shadow Call Stack (SCS) Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 4:19 ` Randy Dunlap 2020-02-19 4:19 ` Randy Dunlap 2020-02-19 17:25 ` Sami Tolvanen 2020-02-19 17:25 ` Sami Tolvanen 2020-02-19 17:25 ` Sami Tolvanen 2020-02-19 0:08 ` [PATCH v8 02/12] scs: add accounting Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` [PATCH v8 03/12] scs: add support for stack usage debugging Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` [PATCH v8 04/12] scs: disable when function graph tracing is enabled Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 11:33 ` Mark Rutland 2020-02-19 11:33 ` Mark Rutland 2020-02-19 18:01 ` Sami Tolvanen 2020-02-19 18:01 ` Sami Tolvanen 2020-02-19 18:01 ` Sami Tolvanen 2020-02-19 0:08 ` [PATCH v8 05/12] arm64: reserve x18 from general allocation with SCS Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` [PATCH v8 06/12] arm64: preserve x18 when CPU is suspended Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` [PATCH v8 07/12] arm64: efi: restore x18 if it was corrupted Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` [PATCH v8 08/12] arm64: vdso: disable Shadow Call Stack Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` [PATCH v8 09/12] arm64: disable SCS for hypervisor code Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:58 ` Kees Cook 2020-02-19 0:58 ` Kees Cook 2020-02-19 7:50 ` Marc Zyngier 2020-02-19 7:50 ` Marc Zyngier 2020-02-19 0:08 ` [PATCH v8 10/12] arm64: implement Shadow Call Stack Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` [PATCH v8 11/12] arm64: scs: add shadow stacks for SDEI Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` [PATCH v8 12/12] efi/libstub: disable SCS Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:08 ` Sami Tolvanen 2020-02-19 0:58 ` Kees Cook 2020-02-19 0:58 ` Kees Cook 2020-02-19 7:40 ` Ard Biesheuvel 2020-02-19 7:40 ` Ard Biesheuvel 2020-02-19 7:40 ` Ard Biesheuvel 2020-02-19 18:27 ` Sami Tolvanen 2020-02-19 18:27 ` Sami Tolvanen 2020-02-19 18:27 ` Sami Tolvanen 2020-02-19 18:38 ` [PATCH v8 00/12] add support for Clang's Shadow Call Stack James Morse 2020-02-19 18:38 ` James Morse 2020-02-19 18:53 ` Ard Biesheuvel 2020-02-19 18:53 ` Ard Biesheuvel 2020-02-19 18:53 ` Ard Biesheuvel 2020-02-20 9:55 ` Marc Zyngier 2020-02-20 9:55 ` Marc Zyngier 2020-02-19 20:12 ` Sami Tolvanen 2020-02-19 20:12 ` Sami Tolvanen 2020-02-19 20:12 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 " Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 01/12] add support for Clang's Shadow Call Stack (SCS) Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 02/12] scs: add accounting Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 03/12] scs: add support for stack usage debugging Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 04/12] scs: disable when function graph tracing is enabled Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 05/12] arm64: reserve x18 from general allocation with SCS Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 06/12] arm64: preserve x18 when CPU is suspended Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 07/12] arm64: efi: restore x18 if it was corrupted Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 08/12] arm64: vdso: disable Shadow Call Stack Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 09/12] arm64: disable SCS for hypervisor code Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 10/12] arm64: implement Shadow Call Stack Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-28 16:31 ` James Morse 2020-02-28 16:31 ` James Morse 2020-02-28 20:51 ` Sami Tolvanen 2020-02-28 20:51 ` Sami Tolvanen 2020-02-28 20:51 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 11/12] arm64: scs: add shadow stacks for SDEI Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` [PATCH v9 12/12] efi/libstub: disable SCS Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-02-25 17:39 ` Sami Tolvanen 2020-04-06 16:41 ` [PATCH v10 00/12] add support for Clang's Shadow Call Stack Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` [PATCH v10 01/12] add support for Clang's Shadow Call Stack (SCS) Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` [PATCH v10 02/12] scs: add accounting Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` [PATCH v10 03/12] scs: add support for stack usage debugging Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` [PATCH v10 04/12] scs: disable when function graph tracing is enabled Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` [PATCH v10 05/12] arm64: reserve x18 from general allocation with SCS Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` [PATCH v10 06/12] arm64: preserve x18 when CPU is suspended Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` [PATCH v10 07/12] arm64: efi: restore x18 if it was corrupted Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` [PATCH v10 08/12] arm64: vdso: disable Shadow Call Stack Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` [PATCH v10 09/12] arm64: disable SCS for hypervisor code Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 18:23 ` Kees Cook 2020-04-06 18:23 ` Kees Cook 2020-04-06 16:41 ` [PATCH v10 10/12] arm64: implement Shadow Call Stack Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` [PATCH v10 11/12] arm64: scs: add shadow stacks for SDEI Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` [PATCH v10 12/12] efi/libstub: disable SCS Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 16:41 ` Sami Tolvanen 2020-04-06 18:25 ` Kees Cook 2020-04-06 18:25 ` Kees Cook 2020-04-07 12:00 ` Ard Biesheuvel 2020-04-07 12:00 ` Ard Biesheuvel 2020-04-07 12:00 ` Ard Biesheuvel 2020-04-16 16:12 ` [PATCH v11 00/12] add support for Clang's Shadow Call Stack Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` [PATCH v11 01/12] add support for Clang's Shadow Call Stack (SCS) Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-20 17:17 ` Will Deacon 2020-04-20 17:17 ` Will Deacon 2020-04-16 16:12 ` [PATCH v11 02/12] scs: add accounting Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` [PATCH v11 03/12] scs: add support for stack usage debugging Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` [PATCH v11 04/12] scs: disable when function graph tracing is enabled Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-17 10:00 ` Peter Zijlstra 2020-04-17 10:00 ` Peter Zijlstra 2020-04-17 14:46 ` Mark Rutland 2020-04-17 14:46 ` Mark Rutland 2020-04-17 15:26 ` Peter Zijlstra 2020-04-17 15:26 ` Peter Zijlstra 2020-04-17 15:46 ` Mark Rutland 2020-04-17 15:46 ` Mark Rutland 2020-04-17 23:19 ` Sami Tolvanen 2020-04-17 23:19 ` Sami Tolvanen 2020-04-16 16:12 ` [PATCH v11 05/12] arm64: reserve x18 from general allocation with SCS Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` [PATCH v11 06/12] arm64: preserve x18 when CPU is suspended Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` [PATCH v11 07/12] arm64: efi: restore x18 if it was corrupted Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` [PATCH v11 08/12] arm64: vdso: disable Shadow Call Stack Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` [PATCH v11 09/12] arm64: disable SCS for hypervisor code Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` [PATCH v11 10/12] arm64: implement Shadow Call Stack Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` [PATCH v11 11/12] arm64: scs: add shadow stacks for SDEI Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` [PATCH v11 12/12] efi/libstub: disable SCS Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen 2020-04-16 16:12 ` Sami Tolvanen
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