Re: [RFC 01/13] x86/paravirt: Turn KASAN off for parvirt.o

[RFC 00/13] x86/mm: PCID and INVPCID · Andy Lutomirski <luto@kernel.org> · 2016-01-08
[RFC 01/13] x86/paravirt: Turn KASAN off for parvirt.o · Andy Lutomirski <luto@kernel.org> · 2016-01-08
Re: [RFC 01/13] x86/paravirt: Turn KASAN off for parvirt.o · Borislav Petkov <bp@alien8.de> · 2016-01-10
Re: [RFC 01/13] x86/paravirt: Turn KASAN off for parvirt.o · Andrey Ryabinin <hidden> · 2016-01-11
[PATCH 1/2] x86/kasan: clear kasan_zero_page after TLB flush · Andrey Ryabinin <hidden> · 2016-01-11
Re: [PATCH 1/2] x86/kasan: clear kasan_zero_page after TLB flush · Andy Lutomirski <luto@amacapital.net> · 2016-01-18
[PATCH 2/2] x86/kasan: write protect kasan zero shadow · Andrey Ryabinin <hidden> · 2016-01-11
Re: [PATCH 2/2] x86/kasan: write protect kasan zero shadow · Andy Lutomirski <luto@amacapital.net> · 2016-01-18
Re: [RFC 01/13] x86/paravirt: Turn KASAN off for parvirt.o · Borislav Petkov <bp@alien8.de> · 2016-01-29
[RFC 04/13] x86/mm: If INVPCID is available, use it to flush global mappings · Andy Lutomirski <luto@kernel.org> · 2016-01-08
[RFC 07/13] x86/mm: Add nopcid to turn off PCID · Andy Lutomirski <luto@kernel.org> · 2016-01-08
[RFC 10/13] x86/mm: Factor out remote TLB flushing · Andy Lutomirski <luto@kernel.org> · 2016-01-08
[RFC 12/13] x86/mm: Uninline switch_mm · Andy Lutomirski <luto@kernel.org> · 2016-01-08
[RFC 13/13] x86/mm: Try to preserve old TLB entries using PCID · Andy Lutomirski <luto@kernel.org> · 2016-01-08
Re: [RFC 13/13] x86/mm: Try to preserve old TLB entries using PCID · Dave Hansen <dave.hansen@linux.intel.com> · 2016-01-09
Re: [RFC 13/13] x86/mm: Try to preserve old TLB entries using PCID · Andy Lutomirski <luto@amacapital.net> · 2016-01-09
[RFC 11/13] x86/mm: Build arch/x86/mm/tlb.c even on !SMP · Andy Lutomirski <luto@kernel.org> · 2016-01-08
Re: [RFC 11/13] x86/mm: Build arch/x86/mm/tlb.c even on !SMP · Dave Hansen <dave.hansen@linux.intel.com> · 2016-01-08
[RFC 09/13] x86/mm: Disable interrupts when flushing the TLB using CR3 · Andy Lutomirski <luto@kernel.org> · 2016-01-08
Re: [RFC 09/13] x86/mm: Disable interrupts when flushing the TLB using CR3 · Linus Torvalds <torvalds@linux-foundation.org> · 2016-01-08
Re: [RFC 09/13] x86/mm: Disable interrupts when flushing the TLB using CR3 · Andy Lutomirski <luto@amacapital.net> · 2016-01-09
Re: [RFC 09/13] x86/mm: Disable interrupts when flushing the TLB using CR3 · Linus Torvalds <torvalds@linux-foundation.org> · 2016-01-09
Re: [RFC 09/13] x86/mm: Disable interrupts when flushing the TLB using CR3 · Ingo Molnar <mingo@kernel.org> · 2016-01-11
Re: [RFC 09/13] x86/mm: Disable interrupts when flushing the TLB using CR3 · Andy Lutomirski <luto@amacapital.net> · 2016-01-13
Re: [RFC 09/13] x86/mm: Disable interrupts when flushing the TLB using CR3 · Andy Lutomirski <luto@amacapital.net> · 2016-01-13
Re: [RFC 09/13] x86/mm: Disable interrupts when flushing the TLB using CR3 · Dave Hansen <dave.hansen@linux.intel.com> · 2016-01-13
Re: [RFC 09/13] x86/mm: Disable interrupts when flushing the TLB using CR3 · Andy Lutomirski <luto@amacapital.net> · 2016-01-13
Re: [RFC 09/13] x86/mm: Disable interrupts when flushing the TLB using CR3 · Dave Hansen <dave.hansen@linux.intel.com> · 2016-01-13
Re: [RFC 09/13] x86/mm: Disable interrupts when flushing the TLB using CR3 · Andy Lutomirski <luto@amacapital.net> · 2016-01-14
[RFC 08/13] x86/mm: Teach CR3 readers about PCID · Andy Lutomirski <luto@kernel.org> · 2016-01-08
[RFC 06/13] x86/mm: Disable PCID on 32-bit kernels · Andy Lutomirski <luto@kernel.org> · 2016-01-08
[RFC 05/13] x86/mm: Add barriers and document switch_mm-vs-flush synchronization · Andy Lutomirski <luto@kernel.org> · 2016-01-08
Re: [RFC 05/13] x86/mm: Add barriers and document switch_mm-vs-flush synchronization · Nadav Amit <hidden> · 2016-06-03
Re: [RFC 05/13] x86/mm: Add barriers and document switch_mm-vs-flush synchronization · Andy Lutomirski <luto@amacapital.net> · 2016-06-09
Re: [RFC 05/13] x86/mm: Add barriers and document switch_mm-vs-flush synchronization · Nadav Amit <hidden> · 2016-06-09
Re: [RFC 05/13] x86/mm: Add barriers and document switch_mm-vs-flush synchronization · Wanpeng Li <hidden> · 2016-09-06
[RFC 03/13] x86/mm: Add a noinvpcid option to turn off INVPCID · Andy Lutomirski <luto@kernel.org> · 2016-01-08
[RFC 02/13] x86/mm: Add INVPCID helpers · Andy Lutomirski <luto@kernel.org> · 2016-01-08
Re: [RFC 00/13] x86/mm: PCID and INVPCID · Linus Torvalds <torvalds@linux-foundation.org> · 2016-01-08
Re: [RFC 00/13] x86/mm: PCID and INVPCID · Andy Lutomirski <luto@amacapital.net> · 2016-01-08
Re: [RFC 00/13] x86/mm: PCID and INVPCID · Linus Torvalds <torvalds@linux-foundation.org> · 2016-01-08

From: Borislav Petkov <bp@alien8.de>
Date: 2016-01-29 10:35:47
Also in: lkml

On Mon, Jan 11, 2016 at 03:51:17PM +0300, Andrey Ryabinin wrote:

I don't think that this patch is the right way to solve the problem.
The follow-up patch "x86/kasan: clear kasan_zero_page after TLB flush"
should fix Andy's problem.

Both applied, thanks.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.

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