From: Maciej Wieczor-Retman <maciej.wieczor-retman@intel.com>
To: Kiryl Shutsemau <kas@kernel.org>
Cc: <nathan@kernel.org>, <arnd@arndb.de>, <broonie@kernel.org>,
<Liam.Howlett@oracle.com>, <urezki@gmail.com>, <will@kernel.org>,
<kaleshsingh@google.com>, <rppt@kernel.org>, <leitao@debian.org>,
<coxu@redhat.com>, <surenb@google.com>,
<akpm@linux-foundation.org>, <luto@kernel.org>,
<jpoimboe@kernel.org>, <changyuanl@google.com>, <hpa@zytor.com>,
<dvyukov@google.com>, <corbet@lwn.net>,
<vincenzo.frascino@arm.com>, <smostafa@google.com>,
<nick.desaulniers+lkml@gmail.com>, <morbo@google.com>,
<andreyknvl@gmail.com>, <alexander.shishkin@linux.intel.com>,
<thiago.bauermann@linaro.org>, <catalin.marinas@arm.com>,
<ryabinin.a.a@gmail.com>, <jan.kiszka@siemens.com>,
<jbohac@suse.cz>, <dan.j.williams@intel.com>,
<joel.granados@kernel.org>, <baohua@kernel.org>,
<kevin.brodsky@arm.com>, <nicolas.schier@linux.dev>,
<pcc@google.com>, <andriy.shevchenko@linux.intel.com>,
<wei.liu@kernel.org>, <bp@alien8.de>, <ada.coupriediaz@arm.com>,
<xin@zytor.com>, <pankaj.gupta@amd.com>, <vbabka@suse.cz>,
<glider@google.com>, <jgross@suse.com>, <kees@kernel.org>,
<jhubbard@nvidia.com>, <joey.gouly@arm.com>, <ardb@kernel.org>,
<thuth@redhat.com>, <pasha.tatashin@soleen.com>,
<kristina.martsenko@arm.com>, <bigeasy@linutronix.de>,
<lorenzo.stoakes@oracle.com>, <jason.andryuk@amd.com>,
<david@redhat.com>, <graf@amazon.com>,
<wangkefeng.wang@huawei.com>, <ziy@nvidia.com>,
<mark.rutland@arm.com>, <dave.hansen@linux.intel.com>,
<samuel.holland@sifive.com>, <kbingham@kernel.org>,
<trintaeoitogc@gmail.com>, <scott@os.amperecomputing.com>,
<justinstitt@google.com>, <kuan-ying.lee@canonical.com>,
<maz@kernel.org>, <tglx@linutronix.de>, <samitolvanen@google.com>,
<mhocko@suse.com>, <nunodasneves@linux.microsoft.com>,
<brgerst@gmail.com>, <willy@infradead.org>, <ubizjak@gmail.com>,
<peterz@infradead.org>, <mingo@redhat.com>,
<sohil.mehta@intel.com>, <linux-mm@kvack.org>,
<linux-kbuild@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>, <x86@kernel.org>,
<llvm@lists.linux.dev>, <kasan-dev@googlegroups.com>,
<linux-doc@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4 00/18] kasan: x86: arm64: KASAN tag-based mode for x86
Date: Wed, 13 Aug 2025 13:44:21 +0200 [thread overview]
Message-ID: <4oiaqaiqvxgswebgm63mtyv3pxuhsx2jo5lade56flgz7laoem@au6ltbbzmvoy> (raw)
In-Reply-To: <ebl5meuoksen5yzpzbc5lcafcgzy3esfq7c47puz4tefeskkos@f5wzzg4fjrfz>
On 2025-08-13 at 12:05:47 +0100, Kiryl Shutsemau wrote:
>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.
Okay, thanks for confirming, I'll run these compilations on the system with the
tested kernels and attach results to v5 of the series.
>
>--
> Kiryl Shutsemau / Kirill A. Shutemov
--
Kind regards
Maciej Wieczór-Retman
next prev parent reply other threads:[~2025-08-13 11:44 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
2025-08-13 11:44 ` Maciej Wieczor-Retman [this message]
2025-08-21 12:30 ` Ada Couprie Diaz
2025-08-22 7:36 ` Maciej Wieczor-Retman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4oiaqaiqvxgswebgm63mtyv3pxuhsx2jo5lade56flgz7laoem@au6ltbbzmvoy \
--to=maciej.wieczor-retman@intel.com \
--cc=Liam.Howlett@oracle.com \
--cc=ada.coupriediaz@arm.com \
--cc=akpm@linux-foundation.org \
--cc=alexander.shishkin@linux.intel.com \
--cc=andreyknvl@gmail.com \
--cc=andriy.shevchenko@linux.intel.com \
--cc=ardb@kernel.org \
--cc=arnd@arndb.de \
--cc=baohua@kernel.org \
--cc=bigeasy@linutronix.de \
--cc=bp@alien8.de \
--cc=brgerst@gmail.com \
--cc=broonie@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=changyuanl@google.com \
--cc=corbet@lwn.net \
--cc=coxu@redhat.com \
--cc=dan.j.williams@intel.com \
--cc=dave.hansen@linux.intel.com \
--cc=david@redhat.com \
--cc=dvyukov@google.com \
--cc=glider@google.com \
--cc=graf@amazon.com \
--cc=hpa@zytor.com \
--cc=jan.kiszka@siemens.com \
--cc=jason.andryuk@amd.com \
--cc=jbohac@suse.cz \
--cc=jgross@suse.com \
--cc=jhubbard@nvidia.com \
--cc=joel.granados@kernel.org \
--cc=joey.gouly@arm.com \
--cc=jpoimboe@kernel.org \
--cc=justinstitt@google.com \
--cc=kaleshsingh@google.com \
--cc=kas@kernel.org \
--cc=kasan-dev@googlegroups.com \
--cc=kbingham@kernel.org \
--cc=kees@kernel.org \
--cc=kevin.brodsky@arm.com \
--cc=kristina.martsenko@arm.com \
--cc=kuan-ying.lee@canonical.com \
--cc=leitao@debian.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kbuild@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=llvm@lists.linux.dev \
--cc=lorenzo.stoakes@oracle.com \
--cc=luto@kernel.org \
--cc=mark.rutland@arm.com \
--cc=maz@kernel.org \
--cc=mhocko@suse.com \
--cc=mingo@redhat.com \
--cc=morbo@google.com \
--cc=nathan@kernel.org \
--cc=nick.desaulniers+lkml@gmail.com \
--cc=nicolas.schier@linux.dev \
--cc=nunodasneves@linux.microsoft.com \
--cc=pankaj.gupta@amd.com \
--cc=pasha.tatashin@soleen.com \
--cc=pcc@google.com \
--cc=peterz@infradead.org \
--cc=rppt@kernel.org \
--cc=ryabinin.a.a@gmail.com \
--cc=samitolvanen@google.com \
--cc=samuel.holland@sifive.com \
--cc=scott@os.amperecomputing.com \
--cc=smostafa@google.com \
--cc=sohil.mehta@intel.com \
--cc=surenb@google.com \
--cc=tglx@linutronix.de \
--cc=thiago.bauermann@linaro.org \
--cc=thuth@redhat.com \
--cc=trintaeoitogc@gmail.com \
--cc=ubizjak@gmail.com \
--cc=urezki@gmail.com \
--cc=vbabka@suse.cz \
--cc=vincenzo.frascino@arm.com \
--cc=wangkefeng.wang@huawei.com \
--cc=wei.liu@kernel.org \
--cc=will@kernel.org \
--cc=willy@infradead.org \
--cc=x86@kernel.org \
--cc=xin@zytor.com \
--cc=ziy@nvidia.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox