From: dl9pf@gmx.de
To: dl9pf@gmx.de
Cc: pageexec@freemail.hu, llvmlinux@lists.linuxfoundation.org,
behanw@converseincode.com, hpa@zytor.com,
linux-kernel@vger.kernel.org
Subject: Re: [llvmlinux] [PATCH] [RFC] [X86] Fix a compilation issue with clang.
Date: Thu, 29 Aug 2013 21:13:03 +0200 [thread overview]
Message-ID: <1377803585-5913-1-git-send-email-dl9pf@gmx.de> (raw)
In-Reply-To: <1563930.LeGpPqNO9R@aragorn.auenland.lan>
These to patches fix a compilation issues with clang.
[PATCH 1/2] Extend definitions of __ASM_* with a raw format.
Extends the helper macros __ASM_* (e.g. __ASM_DX) with a format that
does not add whitespace. Both gcc and clang choke in that case.
[PATCH 2/2] [X86] Fix a compilation issue with clang.
This is the actual issue here. In the 64bit case, clang just sees
edx (a 32bit register name) and does not use more than 32bit.
As pointed out in the comment in uaccess.h, gcc is happy with edx as the
starting point (and does not care about the size).
This fix pleases both worlds as we just use edx on 32 and rdx on 64.
Please apply.
CC: pageexec@freemail.hu
CC: llvmlinux@lists.linuxfoundation.org
CC: behanw@converseincode.com
CC: hpa@zytor.com
CC: linux-kernel@vger.kernel.org
next prev parent reply other threads:[~2013-08-29 19:15 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-29 17:13 dl9pf
2013-08-29 17:28 ` H. Peter Anvin
2013-08-29 18:00 ` [llvmlinux] " Jan-Simon Möller
2013-08-29 18:11 ` H. Peter Anvin
2013-08-29 18:11 ` Jan-Simon Möller
2013-08-29 18:18 ` H. Peter Anvin
2013-08-29 18:23 ` Jan-Simon Möller
2013-08-29 18:31 ` H. Peter Anvin
2013-08-29 18:36 ` Jan-Simon Möller
2013-08-29 18:41 ` H. Peter Anvin
2013-08-29 19:13 ` dl9pf [this message]
2013-08-29 19:13 ` [PATCH 1/2] Extend definitions of _ASM_* with a raw format dl9pf
2013-08-29 20:30 ` [tip:x86/asm] x86, asm: " tip-bot for Jan-Simon Möller
2013-08-29 19:13 ` [PATCH 2/2] [X86] Fix a compilation issue with clang dl9pf
2013-08-29 20:31 ` [tip:x86/asm] x86, asm: " tip-bot for Jan-Simon Möller
2013-08-29 20:42 ` [tip:x86/asm] x86, doc: Update uaccess.h comment to reflect clang changes tip-bot for H. Peter Anvin
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