From: "H. Peter Anvin" <hpa@zytor.com>
To: Brian Gerst <brgerst@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>,
x86@kernel.org, torvalds@linux-foundation.org, jeremy@goop.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/6] x86: Merge pt_regs using syscalls
Date: Wed, 09 Dec 2009 16:47:29 -0800 [thread overview]
Message-ID: <4B204521.7030204@zytor.com> (raw)
In-Reply-To: <1260403316-5679-1-git-send-email-brgerst@gmail.com>
On 12/09/2009 04:01 PM, Brian Gerst wrote:
> This patch set converts the 32-bit syscalls that need pt_regs to
> match the same prototype as 64-bit, using regparm(3) and adding
> the pt_regs pointer as an extra argument. This allows these
> syscalls to be merged.
>
> [PATCH 1/6] x86, 32-bit: Add new pt_regs stubs
> [PATCH 2/6] x86: Merge sys_iopl
> [PATCH 3/6] x86: Merge sys_execve
> [PATCH 4/6] x86: Merge sys_sigaltstack
> [PATCH 5/6] x86, 32-bit: Convert sys_vm86 & sys_vm86old
> [PATCH 6/6] x86: Merge sys_clone
I have applied this series to tip:x86/asm with the addition of avoiding
the extra pipeline serialization; assuming it doesn't break anything we
can consider if we can push it for .33. I really like the series,
though; it is very clean and does the right thing.
-hpa
next prev parent reply other threads:[~2009-12-10 0:48 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-10 0:01 [PATCH 0/6] x86: Merge pt_regs using syscalls Brian Gerst
2009-12-10 0:01 ` [PATCH 1/6] x86, 32-bit: Add new pt_regs stubs Brian Gerst
2009-12-10 0:05 ` H. Peter Anvin
2009-12-10 0:45 ` [tip:x86/asm] x86-32: " tip-bot for Brian Gerst
2009-12-10 0:47 ` [tip:x86/asm] x86-32: Avoid pipeline serialization in PTREGSCALL1 and 2 tip-bot for H. Peter Anvin
2009-12-10 0:01 ` [PATCH 2/6] x86: Merge sys_iopl Brian Gerst
2009-12-10 0:45 ` [tip:x86/asm] " tip-bot for Brian Gerst
2009-12-10 0:57 ` [tip:x86/asm] x86-64, paravirt: Call set_iopl_mask() on 64 bits tip-bot for H. Peter Anvin
2009-12-10 0:01 ` [PATCH 3/6] x86: Merge sys_execve Brian Gerst
2009-12-10 0:46 ` [tip:x86/asm] " tip-bot for Brian Gerst
2009-12-10 0:01 ` [PATCH 4/6] x86: Merge sys_sigaltstack Brian Gerst
2009-12-10 0:46 ` [tip:x86/asm] " tip-bot for Brian Gerst
2009-12-10 0:01 ` [PATCH 5/6] x86, 32-bit: Convert sys_vm86 & sys_vm86old Brian Gerst
2009-12-10 0:46 ` [tip:x86/asm] " tip-bot for Brian Gerst
2009-12-10 0:01 ` [PATCH 6/6] x86: Merge sys_clone Brian Gerst
2009-12-10 0:46 ` [tip:x86/asm] " tip-bot for Brian Gerst
2009-12-10 0:47 ` H. Peter Anvin [this message]
2009-12-10 0:52 ` [PATCH 0/6] x86: Merge pt_regs using syscalls Jeremy Fitzhardinge
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