From: Peter Zijlstra <peterz@infradead.org>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Kumar Kartikeya Dwivedi <memxor@gmail.com>,
X86 ML <x86@kernel.org>,
joao@overdrivepizza.com, hjl.tools@gmail.com,
Josh Poimboeuf <jpoimboe@redhat.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
LKML <linux-kernel@vger.kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Kees Cook <keescook@chromium.org>,
Sami Tolvanen <samitolvanen@google.com>,
Mark Rutland <mark.rutland@arm.com>,
alyssa.milburn@intel.com, Miroslav Benes <mbenes@suse.cz>,
Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>, bpf <bpf@vger.kernel.org>,
masahiroy@kernel.org
Subject: Re: [PATCH v4 00/45] x86: Kernel IBT
Date: Tue, 15 Mar 2022 09:15:22 +0100 [thread overview]
Message-ID: <20220315081522.GA8939@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <Yi9YOdn5Nbq9BBwd@hirez.programming.kicks-ass.net>
On Mon, Mar 14, 2022 at 03:59:05PM +0100, Peter Zijlstra wrote:
> On Sun, Mar 13, 2022 at 09:52:14AM +0100, Peter Zijlstra wrote:
> > On Sat, Mar 12, 2022 at 05:33:39PM -0800, Alexei Starovoitov wrote:
> > > During the build with gcc 8.5 I see:
> > >
> > > arch/x86/crypto/crc32c-intel.o: warning: objtool: file already has
> > > .ibt_endbr_seal, skipping
> > > arch/x86/crypto/crc32c-intel.o: warning: objtool: file already has
> > > .orc_unwind section, skipping
> > > LD [M] crypto/async_tx/async_xor.ko
> > > LD [M] crypto/authenc.ko
> > > make[3]: *** [../scripts/Makefile.modfinal:61:
> > > arch/x86/crypto/crc32c-intel.ko] Error 255
> > > make[3]: *** Waiting for unfinished jobs....
> > >
> > > but make clean cures it.
> > > I suspect it's some missing makefile dependency.
> >
> > Yes, I recently ran into it; I've been trying to kick Makefile into
> > submission but have not had success yet. Will try again on Monday.
> >
> > Problem appears to be that it will re-link .ko even though .o hasn't
> > changed, resulting in duplicate objtool runs. I've been trying to have
> > makefile generate .o.objtool empty file to serve as dependency marker to
> > avoid doing second objtool run, but like said, no luck yet.
>
> Masahiro-san, I'm trying the below, but afaict it's not working because
> the rule for the .o file itself:
>
Ha, sleep, it is marvelous!
The below appears to be working as desired.
---
Index: linux-2.6/scripts/Makefile.build
===================================================================
--- linux-2.6.orig/scripts/Makefile.build
+++ linux-2.6/scripts/Makefile.build
@@ -86,12 +86,18 @@ ifdef need-builtin
targets-for-builtin += $(obj)/built-in.a
endif
-targets-for-modules := $(patsubst %.o, %.mod, $(filter %.o, $(obj-m)))
+targets-for-modules :=
ifdef CONFIG_LTO_CLANG
targets-for-modules += $(patsubst %.o, %.lto.o, $(filter %.o, $(obj-m)))
endif
+ifdef CONFIG_X86_KERNEL_IBT
+targets-for-modules += $(patsubst %.o, %.objtool, $(filter %.o, $(obj-m)))
+endif
+
+targets-for-modules += $(patsubst %.o, %.mod, $(filter %.o, $(obj-m)))
+
ifdef need-modorder
targets-for-modules += $(obj)/modules.order
endif
@@ -276,6 +282,19 @@ cmd_mod = { \
$(obj)/%.mod: $(obj)/%$(mod-prelink-ext).o FORCE
$(call if_changed,mod)
+#
+# Since objtool will re-write the file it will change the timestamps, therefore
+# it is critical that the %.objtool file gets a timestamp *after* objtool runs.
+#
+# Additionally, care must be had with ordering this rule against the other rules
+# that take %.o as a dependency.
+#
+cmd_objtool_mod = \
+ true $(cmd_objtool) ; touch $@
+
+$(obj)/%.objtool: $(obj)/%$(mod-prelink-ext).o FORCE
+ $(call if_changed,objtool_mod)
+
quiet_cmd_cc_lst_c = MKLST $@
cmd_cc_lst_c = $(CC) $(c_flags) -g -c -o $*.o $< && \
$(CONFIG_SHELL) $(srctree)/scripts/makelst $*.o \
Index: linux-2.6/scripts/Makefile.lib
===================================================================
--- linux-2.6.orig/scripts/Makefile.lib
+++ linux-2.6/scripts/Makefile.lib
@@ -552,9 +552,8 @@ objtool_args = \
$(if $(CONFIG_FTRACE_MCOUNT_USE_OBJTOOL), --mcount) \
$(if $(CONFIG_SLS), --sls)
-cmd_objtool = $(if $(objtool-enabled), ; $(objtool) $(objtool_args) $@)
-cmd_objtool_mod = $(if $(objtool-enabled), $(objtool) $(objtool_args) $(@:.ko=.o) ; )
-cmd_gen_objtooldep = $(if $(objtool-enabled), { echo ; echo '$@: $$(wildcard $(objtool))' ; } >> $(dot-target).cmd)
+cmd_objtool = $(if $(objtool-enabled), ; $(objtool) $(objtool_args) $(@:.objtool=.o))
+cmd_gen_objtooldep = $(if $(objtool-enabled), { echo ; echo '$(@:.objtool=.o): $$(wildcard $(objtool))' ; } >> $(dot-target).cmd)
endif # CONFIG_STACK_VALIDATION
@@ -575,8 +574,8 @@ $(obj)/%.o: objtool-enabled :=
# instead run objtool on the module as a whole, right before
# the final link pass with the linker script.
-%.ko: objtool-enabled = y
-%.ko: part-of-module := y
+$(obj)/%.objtool: objtool-enabled = y
+$(obj)/%.objtool: part-of-module := y
else
Index: linux-2.6/scripts/Makefile.modfinal
===================================================================
--- linux-2.6.orig/scripts/Makefile.modfinal
+++ linux-2.6/scripts/Makefile.modfinal
@@ -32,7 +32,6 @@ ARCH_POSTLINK := $(wildcard $(srctree)/a
quiet_cmd_ld_ko_o = LD [M] $@
cmd_ld_ko_o += \
- $(cmd_objtool_mod) \
$(LD) -r $(KBUILD_LDFLAGS) \
$(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
-T scripts/module.lds -o $@ $(filter %.o, $^); \
next prev parent reply other threads:[~2022-03-15 8:16 UTC|newest]
Thread overview: 193+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-08 15:30 [PATCH v4 00/45] x86: Kernel IBT Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 01/45] static_call: Avoid building empty .static_call_sites Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 02/45] objtool: Add --dry-run Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 03/45] objtool: Default ignore INT3 for unreachable Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 04/45] objtool,efi: Update __efi64_thunk annotation Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-09 8:35 ` [PATCH v4 04/45] " Miroslav Benes
2022-03-15 10:44 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 05/45] objtool: Have WARN_FUNC fall back to sym+off Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 06/45] x86/ibt: Base IBT bits Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 07/45] x86/ibt: Add ANNOTATE_NOENDBR Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 08/45] x86/text-patching: Make text_gen_insn() play nice with ANNOTATE_NOENDBR Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 09/45] x86/ibt,paravirt: Use text_gen_insn() for paravirt_patch() Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 10/45] x86/entry: Cleanup PARAVIRT Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 11/45] x86/entry,xen: Early rewrite of restore_regs_and_return_to_kernel() Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 12/45] x86/ibt,xen: Sprinkle the ENDBR Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 13/45] x86/ibt,entry: Sprinkle ENDBR dust Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 14/45] x86/linkage: Add ENDBR to SYM_FUNC_START*() Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 15/45] x86/ibt,paravirt: Sprinkle ENDBR Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 16/45] x86/ibt,crypto: Add ENDBR for the jump-table entries Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 17/45] x86/ibt,kvm: Add ENDBR to fastops Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 18/45] x86/ibt,ftrace: Search for __fentry__ location Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 19/45] x86/livepatch: Validate " Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-09 8:58 ` [PATCH v4 19/45] " Miroslav Benes
2022-03-15 10:44 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 20/45] x86/ibt,ftrace: Make function-graph play nice Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 21/45] x86/ibt,kprobes: Cure sym+0 equals fentry woes Peter Zijlstra
2022-03-09 7:55 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 22/45] x86/ibt,bpf: Add ENDBR instructions to prologue and trampoline Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:44 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 23/45] x86/ibt,ftrace: Add ENDBR to samples/ftrace Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 24/45] x86/ibt: Add IBT feature, MSR and #CP handling Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-09 13:56 ` [PATCH v4 24/45] " Andrew Cooper
2022-03-15 10:43 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 25/45] x86/ibt,kexec: Disable CET on kexec Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 26/45] x86/alternative: Simplify int3_selftest_ip Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 27/45] x86/ibt: Disable IBT around firmware Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 28/45] x86/bugs: Disable Retpoline when IBT Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 29/45] x86/ibt: Annotate text references Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-22 4:43 ` [PATCH v4 29/45] " Masami Hiramatsu
2022-03-22 4:45 ` Alexei Starovoitov
2022-03-08 15:30 ` [PATCH v4 30/45] x86/ibt,ftrace: Annotate ftrace code patching Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 31/45] x86/ibt,sev: Annotations Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 32/45] x86/ibt: Dont generate ENDBR in .discard.text Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 33/45] x86/ibt: Ensure module init/exit points have references Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 34/45] objtool: Rename --duplicate to --lto Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 35/45] objtool: Ignore extra-symbol code Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 36/45] x86: Mark stop_this_cpu() __noreturn Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 37/45] exit: Mark do_group_exit() __noreturn Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 38/45] objtool: Rework ASM_REACHABLE Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 39/45] x86: Annotate call_on_stack() Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 40/45] Kbuild: Allow whole module objtool runs Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 41/45] objtool: Read the NOENDBR annotation Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 42/45] objtool: Add IBT/ENDBR decoding Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 43/45] objtool: Validate IBT assumptions Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 44/45] objtool: Find unused ENDBR instructions Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-15 15:39 ` David Laight
2022-03-17 22:22 ` Josh Poimboeuf
2022-03-18 10:49 ` Peter Zijlstra
2022-03-08 15:30 ` [PATCH v4 45/45] x86/alternative: Use .ibt_endbr_seal to seal indirect calls Peter Zijlstra
2022-03-09 7:54 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` tip-bot2 for Peter Zijlstra
2022-03-08 20:00 ` [PATCH v4 00/45] x86: Kernel IBT Alexei Starovoitov
2022-03-08 22:01 ` Peter Zijlstra
2022-03-08 22:32 ` Peter Zijlstra
2022-03-09 1:02 ` Peter Zijlstra
2022-03-09 19:09 ` Alexei Starovoitov
2022-03-10 9:35 ` Peter Zijlstra
2022-03-10 13:47 ` Peter Zijlstra
2022-03-10 14:37 ` Steven Rostedt
2022-03-11 15:23 ` Peter Zijlstra
2022-03-10 16:29 ` Peter Zijlstra
2022-03-11 10:40 ` Peter Zijlstra
2022-03-11 17:09 ` Alexei Starovoitov
2022-03-12 15:44 ` Peter Zijlstra
2022-03-13 1:33 ` Alexei Starovoitov
2022-03-13 8:52 ` Peter Zijlstra
2022-03-14 14:59 ` Peter Zijlstra
2022-03-15 8:15 ` Peter Zijlstra [this message]
2022-03-15 16:28 ` Masahiro Yamada
2022-03-17 19:44 ` Peter Zijlstra
2022-03-18 2:07 ` David Laight
2022-03-17 18:15 ` Masahiro Yamada
2022-03-17 19:52 ` Peter Zijlstra
2022-03-18 15:36 ` [tip: x86/core] kbuild: Fixup the IBT kbuild changes tip-bot2 for Peter Zijlstra
2022-03-18 16:15 ` Masahiro Yamada
2022-03-22 20:24 ` tip-bot2 for Peter Zijlstra
2022-03-15 16:26 ` [PATCH v4 00/45] x86: Kernel IBT Masahiro Yamada
2022-03-17 19:36 ` Peter Zijlstra
2022-03-14 15:33 ` Peter Zijlstra
2022-03-15 10:43 ` [tip: x86/core] x86: Annotate idtentry_df() tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` [tip: x86/core] x86,objtool: Move the ASM_REACHABLE annotation to objtool.h tip-bot2 for Peter Zijlstra
2022-03-15 10:43 ` [tip: x86/core] x86: Mark __invalid_creds() __noreturn tip-bot2 for Peter Zijlstra
2022-03-14 20:44 ` [PATCH v4 00/45] x86: Kernel IBT Kumar Kartikeya Dwivedi
2022-03-15 9:00 ` Peter Zijlstra
2022-03-15 10:05 ` Kumar Kartikeya Dwivedi
2022-03-15 10:07 ` Peter Zijlstra
2022-03-15 10:39 ` Peter Zijlstra
2022-03-16 9:35 ` Peter Zijlstra
2022-03-16 11:12 ` Kumar Kartikeya Dwivedi
2022-03-15 18:26 ` Alexei Starovoitov
2022-03-17 20:27 ` Peter Zijlstra
2022-03-11 14:40 ` [tip: x86/core] x86,ftrace: Fix modify_ftrace_direct() tip-bot2 for Peter Zijlstra
2022-03-10 0:30 ` [PATCH v4 00/45] x86: Kernel IBT Nick Desaulniers
2022-03-10 9:05 ` Peter Zijlstra
2022-03-10 9:22 ` David Laight
2022-03-10 10:16 ` Peter Zijlstra
2022-03-10 20:49 ` Nick Desaulniers
2022-03-11 14:40 ` [tip: x86/core] x86: Fix {int3,ibt}_selftest() vs LTO tip-bot2 for Peter Zijlstra
2022-03-08 20:06 ` [PATCH v4 00/45] x86: Kernel IBT Josh Poimboeuf
2022-03-09 6:57 ` Josh Poimboeuf
2022-03-09 13:37 ` David Laight
2022-03-10 14:27 ` Peter Zijlstra
2022-03-09 12:51 ` Miroslav Benes
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