From: Kiryl Shutsemau <kas@kernel.org>
To: Maciej Wieczor-Retman <maciej.wieczor-retman@intel.com>
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Subject: Re: [PATCH v4 00/18] kasan: x86: arm64: KASAN tag-based mode for x86
Date: Wed, 13 Aug 2025 12:05:47 +0100 [thread overview]
Message-ID: <ebl5meuoksen5yzpzbc5lcafcgzy3esfq7c47puz4tefeskkos@f5wzzg4fjrfz> (raw)
In-Reply-To: <rzlimi2nh4balb2zdf7cb75adoh2fb33vfpsirdtrteauhcdjm@jtzfh4zjuwgl>
On Wed, Aug 13, 2025 at 12:39:35PM +0200, Maciej Wieczor-Retman wrote:
> On 2025-08-13 at 09:16:29 +0100, Kiryl Shutsemau wrote:
> >On Tue, Aug 12, 2025 at 03:23:36PM +0200, Maciej Wieczor-Retman wrote:
> >> Compilation time comparison (10 cores):
> >> * 7:27 for clean kernel
> >> * 8:21/7:44 for generic KASAN (inline/outline)
> >> * 8:20/7:41 for tag-based KASAN (inline/outline)
> >
> >It is not clear if it is compilation time of a kernel with different
> >config options or compilation time of the same kernel running on machine
> >with different kernels (KASAN-off/KASAN-generic/KASAN-tagged).
>
> It's the first one, I'll reword this accordingly.
>
> When you said a while ago this would be a good thing to measure, did you mean
> the first or the second thing? I thought you meant the first one but now I have
> doubts.
I meant the second. We want to know how slow is it to run a workload
under kernel with KASAN enabled.
--
Kiryl Shutsemau / Kirill A. Shutemov
next prev parent reply other threads:[~2025-08-13 11:05 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-12 13:23 Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 01/18] kasan: sw_tags: Use arithmetic shift for shadow computation Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 02/18] kasan: sw_tags: Support tag widths less than 8 bits Maciej Wieczor-Retman
2025-08-13 14:48 ` Ada Couprie Diaz
2025-08-18 4:24 ` Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 03/18] kasan: Fix inline mode for x86 tag-based mode Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 04/18] x86: Add arch specific kasan functions Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 05/18] kasan: arm64: x86: Make special tags arch specific Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 06/18] x86: Reset tag for virtual to physical address conversions Maciej Wieczor-Retman
2025-08-14 7:15 ` Mike Rapoport
2025-08-18 5:29 ` Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 07/18] mm: x86: Untag addresses in EXECMEM_ROX related pointer arithmetic Maciej Wieczor-Retman
2025-08-14 7:26 ` Mike Rapoport
2025-08-18 5:47 ` Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 08/18] x86: Physical address comparisons in fill_p*d/pte Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 09/18] x86: KASAN raw shadow memory PTE init Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 10/18] x86: LAM compatible non-canonical definition Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 11/18] x86: LAM initialization Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 12/18] x86: Minimal SLAB alignment Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 13/18] kasan: arm64: x86: Handle int3 for inline KASAN reports Maciej Wieczor-Retman
2025-08-13 14:49 ` Ada Couprie Diaz
2025-08-18 5:57 ` Maciej Wieczor-Retman
2025-08-13 15:17 ` Peter Zijlstra
2025-08-18 6:26 ` Maciej Wieczor-Retman
2025-09-08 15:40 ` Peter Zijlstra
2025-09-09 8:47 ` Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 14/18] kasan: x86: Apply multishot to the inline report handler Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 15/18] kasan: x86: Logical bit shift for kasan_mem_to_shadow Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 16/18] mm: Unpoison pcpu chunks with base address tag Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 17/18] mm: Unpoison vms[area] addresses with a common tag Maciej Wieczor-Retman
2025-08-12 13:23 ` [PATCH v4 18/18] x86: Make software tag-based kasan available Maciej Wieczor-Retman
2025-08-13 8:16 ` [PATCH v4 00/18] kasan: x86: arm64: KASAN tag-based mode for x86 Kiryl Shutsemau
2025-08-13 10:39 ` Maciej Wieczor-Retman
2025-08-13 11:05 ` Kiryl Shutsemau [this message]
2025-08-13 11:44 ` Maciej Wieczor-Retman
2025-08-21 12:30 ` Ada Couprie Diaz
2025-08-22 7:36 ` Maciej Wieczor-Retman
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