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authorHelge Deller <deller@gmx.de>2007-02-10 01:45:40 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-11 10:51:31 -0800
commit3db5db4fcdafc85b99d171336a7d2f25765ccd13 (patch)
tree5fb1f991a7eb0de9fcab48d1a889f4324c823077 /drivers/md
parentfc0ecff698165ae8e178efa086e0dd1f385206b1 (diff)
[PATCH] use cycle_t instead of u64 in struct time_interpolator
The 32bit and 64bit PARISC Linux kernels suffers from the problem, that the gettimeofday() call sometimes returns non-monotonic times. The easiest way to fix this, is to drop the PARISC-specific implementation and switch over to the generic TIME_INTERPOLATION framework. But in order to make it even compile on 32bit PARISC, the patch below which touches the generic Linux code, is mandatory. More information and the full patch with the parisc-specific changes is included in this thread: http://lists.parisc-linux.org/pipermail/parisc-linux/2006-December/031003.html As far as I could see, this patch does not change anything for the existing architectures which use this framework (IA64 and SPARC64), since "cycles_t" is defined there as unsigned 64bit-integer anyway (which then makes this patch a no-change for them). Signed-off-by: Helge Deller <deller@gmx.de> Cc: <linux-arch@vger.kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/md')
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