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(parent: 365a0de) | patch
um: adjust current_thread_info() for newer gcc versions
authorRichard Weinberger <richard@nod.at>
Wed, 27 Apr 2011 22:26:54 +0000 (15:26 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 28 Apr 2011 18:28:21 +0000 (11:28 -0700)
commit534e3adbd22efa327e6ff27cf2d8ebaad8382ecd
treeb45ec4d6debc312616e8d0590dacaed0b87e849ftree | snapshot
parent365a0deae2b6743b3263a71871bbd8c9f66ac34ccommit | diff
um: adjust current_thread_info() for newer gcc versions

In some cases gcc >= 4.5.2 will optimize away current_thread_info().  To
prevent gcc from doing so the stack address has to be obtained via inline
asm.

Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/um/include/asm/thread_info.h diff | blob | history
Domain: System / Kernel;