From: Vincenzo Frascino <vincenzo.frascino@arm.com>
To: Nick Desaulniers <ndesaulniers@google.com>
Cc: Linux ARM <linux-arm-kernel@lists.infradead.org>,
clang-built-linux <clang-built-linux@googlegroups.com>,
LKML <linux-kernel@vger.kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
"# 3.4.x" <stable@vger.kernel.org>
Subject: Re: [PATCH] arm64: compat: Fix syscall number of compat_clock_getres
Date: Thu, 19 Mar 2020 17:03:02 +0000 [thread overview]
Message-ID: <9b8a7e8f-57e6-3a81-a8c6-10ca59267ea8@arm.com> (raw)
In-Reply-To: <CAKwvOdnnsE2FyqajP4_FrwpgekptfLJsr3J9EgB3Ac37NgZszQ@mail.gmail.com>
Hi Nick,
On 3/19/20 3:39 PM, Nick Desaulniers wrote:
> On Thu, Mar 19, 2020 at 7:11 AM Vincenzo Frascino
> <vincenzo.frascino@arm.com> wrote:
[...]
>
> This seems to match up with the glibc sources:
> https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/arm/arch-syscall.h;h=c6554a8a6a6e7fe3359f1272f619c3da7c90629b;hb=HEAD#l27
> Here's bionic's headers for good measure:
> https://android.googlesource.com/platform/bionic/+/refs/heads/master/libc/kernel/uapi/asm-arm/asm/unistd-common.h#240
>
> I assume the _compat_ prefixes are the aarch32 syscall numbers?
> Otherwise here's the list for aarch64:
> https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/aarch64/arch-syscall.h;h=c8471947b9c209be6add1e528f892f1a6c54f966;hb=HEAD
>
> Looks like 247 was __NR_io_cancel; that's a subtle bug I'm glad was noticed!
>
Yes, very subtle, I agree!
Thank you for the information provided.
> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
>
>> #define __NR_compat_clock_gettime64 403
>> #define __NR_compat_clock_getres_time64 406
>>
>> --
>> 2.25.1
>>
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>
>
>
--
Regards,
Vincenzo
next prev parent reply other threads:[~2020-03-19 17:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-19 14:11 [PATCH] arm64: compat: Fix syscall number of compat_clock_getres Vincenzo Frascino
2020-03-19 15:39 ` Nick Desaulniers
2020-03-19 17:03 ` Vincenzo Frascino [this message]
2020-03-19 18:12 ` Catalin Marinas
2020-03-19 18:52 ` Will Deacon
2020-03-20 12:30 ` Vincenzo Frascino
2020-03-19 18:42 ` Will Deacon
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