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Date:   Fri, 6 Oct 2023 13:36:48 -0700
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Subject: Re: [PATCH v2] arch: Reserve map_shadow_stack() syscall number for
 all architectures
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To:     Arnd Bergmann <arnd@arndb.de>,
        Rick Edgecombe <rick.p.edgecombe@intel.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        "Ingo Molnar" <mingo@redhat.com>,
        Linux-Arch <linux-arch@vger.kernel.org>,
        "linux-api@vger.kernel.org" <linux-api@vger.kernel.org>
CC:     Christian Borntraeger <borntraeger@linux.ibm.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Helge Deller <deller@gmx.de>,
        Lukas Bulwahn <lukas.bulwahn@gmail.com>,
        Ian Rogers <irogers@google.com>,
        Alexander Gordeev <agordeev@linux.ibm.com>,
        "David S . Miller" <davem@davemloft.net>,
        "Andy Lutomirski" <luto@kernel.org>,
        Max Filippov <jcmvbkbc@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        Yoshinori Sato <ysato@users.sourceforge.jp>,
        "Adrian Hunter" <adrian.hunter@intel.com>,
        "chris@zankel.net" <chris@zankel.net>,
        Heiko Carstens <hca@linux.ibm.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Brian Gerst <brgerst@gmail.com>,
        "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
        Mark Brown <broonie@kernel.org>,
        "linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
        "linux-mips@vger.kernel.org" <linux-mips@vger.kernel.org>,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        "x86@kernel.org" <x86@kernel.org>,
        "Michael Ellerman" <mpe@ellerman.id.au>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
        Borislav Petkov <bp@alien8.de>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        Randy Dunlap <rdunlap@infradead.org>,
        Mark Rutland <mark.rutland@arm.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Jiri Olsa <jolsa@kernel.org>,
        Nicholas Piggin <npiggin@gmail.com>,
        Michal Simek <monstr@monstr.eu>,
        "linux-m68k@lists.linux-m68k.org" <linux-m68k@lists.linux-m68k.org>,
        "Deepak Gupta" <debug@rivosinc.com>,
        "Eric W. Biederman" <ebiederm@xmission.com>,
        Richard Henderson <richard.henderson@linaro.org>,
        Will Deacon <will@kernel.org>,
        "H. Peter Anvin" <hpa@zytor.com>,
        "gor@linux.ibm.com" <gor@linux.ibm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Matt Turner <mattst88@gmail.com>,
        John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
        "linux-parisc@vger.kernel.org" <linux-parisc@vger.kernel.org>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Sergei Trofimovich <slyich@gmail.com>,
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        <linux-arm-kernel@lists.infradead.org>,
        "linux-alpha@vger.kernel.org" <linux-alpha@vger.kernel.org>,
        "James E . J . Bottomley" <James.Bottomley@HansenPartnership.com>,
        Rohan McLure <rmclure@linux.ibm.com>,
        "linux-sh@vger.kernel.org" <linux-sh@vger.kernel.org>,
        Sven Schnelle <svens@linux.ibm.com>,
        Rich Felker <dalias@libc.org>,
        Andreas Schwab <schwab@linux-m68k.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        "sparclinux@vger.kernel.org" <sparclinux@vger.kernel.org>,
        "linux-perf-users@vger.kernel.org" <linux-perf-users@vger.kernel.org>
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>
From:   Sohil Mehta <sohil.mehta@intel.com>
In-Reply-To: <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