Re: [PATCH v2] arch: Reserve map_shadow_stack() syscall number for all architectures
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- To: Arnd Bergmann <arnd@xxxxxxxx>, Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "Ingo Molnar" <mingo@xxxxxxxxxx>, Linux-Arch <linux-arch@xxxxxxxxxxxxxxx>, "linux-api@xxxxxxxxxxxxxxx" <linux-api@xxxxxxxxxxxxxxx>
- Subject: Re: [PATCH v2] arch: Reserve map_shadow_stack() syscall number for all architectures
- From: Sohil Mehta <sohil.mehta@xxxxxxxxx>
- Date: Fri, 6 Oct 2023 13:36:48 -0700
- Cc: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Helge Deller <deller@xxxxxx>, Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>, Ian Rogers <irogers@xxxxxxxxxx>, Alexander Gordeev <agordeev@xxxxxxxxxxxxx>, "David S . Miller" <davem@xxxxxxxxxxxxx>, "Andy Lutomirski" <luto@xxxxxxxxxx>, Max Filippov <jcmvbkbc@xxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Yoshinori Sato <ysato@xxxxxxxxxxxxx>, "Adrian Hunter" <adrian.hunter@xxxxxxxxx>, "chris@xxxxxxxxxx" <chris@xxxxxxxxxx>, Heiko Carstens <hca@xxxxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Brian Gerst <brgerst@xxxxxxxxx>, "linuxppc-dev@xxxxxxxxxxxxxxxx" <linuxppc-dev@xxxxxxxxxxxxxxxx>, Mark Brown <broonie@xxxxxxxxxx>, "linux-s390@xxxxxxxxxxxxxxx" <linux-s390@xxxxxxxxxxxxxxx>, "linux-mips@xxxxxxxxxxxxxxx" <linux-mips@xxxxxxxxxxxxxxx>, Christophe Leroy <christophe.leroy@xxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "Michael Ellerman" <mpe@xxxxxxxxxxxxxx>, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, Randy Dunlap <rdunlap@xxxxxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-ia64@xxxxxxxxxxxxxxx" <linux-ia64@xxxxxxxxxxxxxxx>, Namhyung Kim <namhyung@xxxxxxxxxx>, Jiri Olsa <jolsa@xxxxxxxxxx>, Nicholas Piggin <npiggin@xxxxxxxxx>, Michal Simek <monstr@xxxxxxxxx>, "linux-m68k@xxxxxxxxxxxxxxxxxxxx" <linux-m68k@xxxxxxxxxxxxxxx>, "Deepak Gupta" <debug@xxxxxxxxxxxx>, "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>, Richard Henderson <richard.henderson@xxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, "gor@xxxxxxxxxxxxx" <gor@xxxxxxxxxxxxx>, Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>, Matt Turner <mattst88@xxxxxxxxx>, John Paul Adrian Glaubitz <glaubitz@xxxxxxxxxxxxxxxxxxx>, "linux-parisc@xxxxxxxxxxxxxxx" <linux-parisc@xxxxxxxxxxxxxxx>, Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>, Sergei Trofimovich <slyich@xxxxxxxxx>, "linux-arm-kernel@xxxxxxxxxxxxxxxxxxx" <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, "linux-alpha@xxxxxxxxxxxxxxx" <linux-alpha@xxxxxxxxxxxxxxx>, "James E . J . Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Rohan McLure <rmclure@xxxxxxxxxxxxx>, "linux-sh@xxxxxxxxxxxxxxx" <linux-sh@xxxxxxxxxxxxxxx>, Sven Schnelle <svens@xxxxxxxxxxxxx>, Rich Felker <dalias@xxxxxxxx>, Andreas Schwab <schwab@xxxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "sparclinux@xxxxxxxxxxxxxxx" <sparclinux@xxxxxxxxxxxxxxx>, "linux-perf-users@xxxxxxxxxxxxxxx" <linux-perf-users@xxxxxxxxxxxxxxx>
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- References: <20230914185804.2000497-1-sohil.mehta@intel.com> <487836fc-7c9f-2662-66a4-fa5e3829cf6b@intel.com> <231994b0-ca11-4347-8d93-ce66fdbe3d25@app.fastmail.com> <622b95d8-f8ad-5bd4-0145-d6aed2e3c07d@intel.com> <3bd9a85c6f10279af6372cf17064978ad38c18b3.camel@intel.com> <5d397fe4-a520-4336-b966-29bc5b798236@app.fastmail.com>
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On 10/6/2023 1:29 PM, Arnd Bergmann wrote:
> On Fri, Oct 6, 2023, at 22:01, Edgecombe, Rick P wrote:
>> Hi Arnd,
>>
>> It doesn't look like anyone is pouncing on the syscall number in linux-
>> next currently. It might be nice to have this patch go through linux-
>> next since it touches so many architectures. And it sounds like x86
>> folk are ok with this, so if you could pick it up for 6.7 that would be
>> great. Thanks!
>
> Ok, I picked it up now, should be in linux-next starting next week.
>
Great, thanks Arnd and Rick!
Sohil
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