From: "H. Peter Anvin" <hpa@zytor.com>
To: Andy Lutomirski <luto@amacapital.net>,
Stefani Seibold <stefani@seibold.net>, X86 ML <x86@kernel.org>
Cc: Greg KH <gregkh@linuxfoundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Andi Kleen <ak@linux.intel.com>,
Andrea Arcangeli <aarcange@redhat.com>,
John Stultz <john.stultz@linaro.org>,
Pavel Emelyanov <xemul@parallels.com>,
Cyrill Gorcunov <gorcunov@openvz.org>,
andriy.shevchenko@linux.intel.com,
Martin.Runge@rohde-schwarz.com, Andreas.Brief@rohde-schwarz.com
Subject: Re: [PATCH 1/2] x86: Mark __vdso entries as asmlinkage
Date: Wed, 26 Feb 2014 19:25:04 -0800 [thread overview]
Message-ID: <530EB010.6090204@zytor.com> (raw)
In-Reply-To: <ecbd286ccd2ac038740a07cc04f5d98e96af669f.1393462777.git.luto@amacapital.net>
On 02/26/2014 05:02 PM, Andy Lutomirski wrote:
> This makes no difference for 64-bit, bit it's critical for 32-bit code:
> these functions are called from outside the kernel, so they need to comply
> with the ABI.
Or at least with *an* ABI (the i386 syscall vdso uses the syscall
convention, not the i386 ABI convention, for example.) However, it
probably does makes most sense to just stick with the standard i386 ABI.
-hpa
next prev parent reply other threads:[~2014-02-27 3:26 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-26 19:34 Final: Add 32 bit VDSO time function support Stefani Seibold
2014-02-26 20:10 ` Andy Lutomirski
2014-02-26 20:45 ` Greg KH
2014-02-26 20:54 ` Andy Lutomirski
2014-02-27 0:55 ` Andy Lutomirski
2014-02-27 1:02 ` [PATCH 0/2] Improvements/fixes to 32-bit vdso timing Andy Lutomirski
2014-02-27 1:02 ` [PATCH 1/2] x86: Mark __vdso entries as asmlinkage Andy Lutomirski
2014-02-27 3:25 ` H. Peter Anvin [this message]
2014-02-27 3:39 ` Andi Kleen
2014-02-27 5:06 ` H. Peter Anvin
2014-02-27 5:19 ` Andy Lutomirski
2014-02-27 5:22 ` H. Peter Anvin
2014-02-27 20:11 ` Andy Lutomirski
2014-02-27 23:12 ` H. Peter Anvin
2014-02-27 5:07 ` H. Peter Anvin
2014-02-27 1:02 ` [PATCH 2/2] x86: Inline the CLOCK_MONOTONIC vdso code Andy Lutomirski
2014-02-28 0:18 ` [PATCH v2 0/4] vDSO fixes, on top of tip/x86/vdso Andy Lutomirski
2014-02-28 0:18 ` [PATCH v2 1/4] x86: Use the default ABI for the 32-bit vDSO Andy Lutomirski
2014-02-28 7:28 ` Stefani Seibold
2014-02-28 15:06 ` H. Peter Anvin
2014-02-28 20:19 ` Andy Lutomirski
2014-03-01 13:43 ` Stefani Seibold
2014-02-28 0:18 ` [PATCH v2 2/4] x86: Inline the CLOCK_MONOTONIC vdso code Andy Lutomirski
2014-02-28 0:18 ` [PATCH v2 3/4] x86: Patch alternatives in the 32-bit vDSO Andy Lutomirski
2014-02-28 7:22 ` Stefani Seibold
2014-03-01 14:04 ` Stefani Seibold
2014-02-28 0:18 ` [PATCH v2 4/4] x86: Zero-pad the VVAR page Andy Lutomirski
2014-02-28 7:33 ` [PATCH v2 0/4] vDSO fixes, on top of tip/x86/vdso Stefani Seibold
2014-02-28 20:15 ` Andy Lutomirski
2014-03-01 14:02 ` Stefani Seibold
2014-02-28 7:22 ` Final: Add 32 bit VDSO time function support Stefani Seibold
2014-03-01 2:00 ` Andy Lutomirski
2014-03-01 22:56 ` H. Peter Anvin
2014-03-02 8:01 ` Stefani Seibold
2014-02-27 5:07 ` H. Peter Anvin
2014-02-27 12:14 ` Ingo Molnar
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