From: Andy Lutomirski <luto@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>, X86 ML <x86@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Borislav Petkov <bp@alien8.de>, Brian Gerst <brgerst@gmail.com>,
David Laight <David.Laight@aculab.com>,
Kees Cook <keescook@chromium.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH PTI v3 00/10] Clean up pgd handling and fix VSYSCALL and LDT
Date: Tue, 12 Dec 2017 07:58:07 -0800 [thread overview]
Message-ID: <CALCETrV+EM3z8Opv4Y1aHty5Bef3kdfe5W3rJ7Hf30_S0_M9MA@mail.gmail.com> (raw)
In-Reply-To: <20171212100955.zdnwnf4pctnsh57t@gmail.com>
On Tue, Dec 12, 2017 at 2:09 AM, Ingo Molnar <mingo@kernel.org> wrote:
>
> * Andy Lutomirski <luto@kernel.org> wrote:
>
>> This should fix some existing 5-level bugs and get VSYSCALL and LDT
>> working with PTI.
>>
>> Changes from v1:
>> - vsyscalls actually work.
>> - Added the "Warn and fail" patch to prevent the testing goof I had on v1.
>> - Lots of cleanups
>>
>> Andy Lutomirski (10):
>> x86/espfix/64: Fix espfix double-fault handling on 5-level systems
>> x86/pti: Vastly simplify pgd synchronization
>> x86/pti/64: Fix ESPFIX64 user mapping
>> Revert "x86/mm/pti: Disable native VSYSCALL"
>> x86/vsyscall/64: Explicitly set _PAGE_USER in the pagetable hierarchy
>> x86/vsyscall/64: Warn and fail vsyscall emulation in NATIVE mode
>> x86/pti: Map the vsyscall page if needed
>> x86/mm/64: Improve the memory map documentation
>> x86/mm/64: Make a full PGD-entry size hole in the memory map
>> x86/pti: Put the LDT in its own PGD if PTI is on
>>
>> Documentation/x86/x86_64/mm.txt | 15 +--
>> arch/x86/Kconfig | 8 --
>> arch/x86/entry/vsyscall/vsyscall_64.c | 37 +++++++-
>> arch/x86/include/asm/mmu_context.h | 48 +++++++++-
>> arch/x86/include/asm/pgtable.h | 6 +-
>> arch/x86/include/asm/pgtable_64.h | 77 +++++++---------
>> arch/x86/include/asm/pgtable_64_types.h | 8 +-
>> arch/x86/include/asm/processor.h | 23 +++--
>> arch/x86/include/asm/vsyscall.h | 1 +
>> arch/x86/kernel/espfix_64.c | 16 ----
>> arch/x86/kernel/ldt.c | 155 +++++++++++++++++++++++++++++--
>> arch/x86/kernel/traps.c | 2 +-
>> arch/x86/mm/dump_pagetables.c | 12 +++
>> arch/x86/mm/pti.c | 157 ++++++++++++++++++++++----------
>> init/main.c | 11 ++-
>> 15 files changed, 426 insertions(+), 150 deletions(-)
>
> Hm, I only received the 0/10 boilerplate email, not any of the patches - and
> Thomas tells me he too only got the cover letter.
Ugh, the whole send-email process exploded due to Cc:
stable@vger.kernel.org # 4.14. I stripped the # 4.14 and it's okay
now.
>
> Thanks,
>
> Ingo
next prev parent reply other threads:[~2017-12-12 15:58 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-11 23:40 [PATCH PTI v3 00/10] Clean up pgd handling and fix VSYSCALL and LDT Andy Lutomirski
2017-12-12 10:09 ` Ingo Molnar
2017-12-12 15:58 ` Andy Lutomirski [this message]
2017-12-12 16:13 ` Borislav Petkov
2017-12-12 16:14 ` Juergen Gross
2017-12-12 16:20 ` Borislav Petkov
2017-12-12 15:56 ` [PATCH PTI v3 01/10] x86/espfix/64: Fix espfix double-fault handling on 5-level systems Andy Lutomirski
2017-12-12 17:18 ` Kirill A. Shutemov
2017-12-15 18:34 ` [tip:x86/urgent] " tip-bot for Andy Lutomirski
2017-12-12 15:56 ` [PATCH PTI v3 02/10] x86/pti: Vastly simplify pgd synchronization Andy Lutomirski
2017-12-12 15:56 ` [PATCH PTI v3 03/10] x86/pti/64: Fix ESPFIX64 user mapping Andy Lutomirski
2017-12-13 13:12 ` Kirill A. Shutemov
2017-12-13 17:01 ` Andy Lutomirski
2017-12-14 14:10 ` Kirill A. Shutemov
2017-12-14 16:18 ` Andy Lutomirski
2017-12-12 15:56 ` [PATCH PTI v3 04/10] Revert "x86/mm/pti: Disable native VSYSCALL" Andy Lutomirski
2017-12-12 15:56 ` [PATCH PTI v3 05/10] x86/vsyscall/64: Explicitly set _PAGE_USER in the pagetable hierarchy Andy Lutomirski
2017-12-12 15:56 ` [PATCH PTI v3 06/10] x86/vsyscall/64: Warn and fail vsyscall emulation in NATIVE mode Andy Lutomirski
2017-12-12 15:56 ` [PATCH PTI v3 07/10] x86/pti: Map the vsyscall page if needed Andy Lutomirski
2017-12-12 15:56 ` [PATCH PTI v3 08/10] x86/mm/64: Improve the memory map documentation Andy Lutomirski
2017-12-12 15:56 ` [PATCH PTI v3 09/10] x86/mm/64: Make a full PGD-entry size hole in the memory map Andy Lutomirski
2017-12-13 13:17 ` Kirill A. Shutemov
2017-12-13 17:04 ` Andy Lutomirski
2017-12-12 15:56 ` [PATCH PTI v3 10/10] x86/pti: Put the LDT in its own PGD if PTI is on Andy Lutomirski
2017-12-15 22:54 ` Thomas Gleixner
2017-12-16 0:39 ` Thomas Gleixner
2017-12-16 6:41 ` Andy Lutomirski
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