Commit-ID: 1fddf9f09de9ee586ee6924a094a1660389369d1 Gitweb: http://git.kernel.org/tip/1fddf9f09de9ee586ee6924a094a1660389369d1 Author: H. Peter Anvin <hpa@xxxxxxxxx> AuthorDate: Fri, 31 Jul 2009 10:43:42 -0700 Committer: H. Peter Anvin <hpa@xxxxxxxxx> CommitDate: Fri, 31 Jul 2009 10:48:23 -0700 x86: comment formatting cleanup in arch/x86/kernel/tsc.c Clean up the style of a newly added comment (checkin fb34a8ee86cb52ee688627f820ed6c80ee033219). Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx> Cc: Wei Chong Tan <wei.chong.tan@xxxxxxxxx> --- arch/x86/kernel/tsc.c | 29 ++++++++++++++++------------- 1 files changed, 16 insertions(+), 13 deletions(-) diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 68e93c1..261ff00 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -285,25 +285,28 @@ static inline int pit_expect_msb(unsigned char val, u64 *tscp, unsigned long *de inb(0x42); if (inb(0x42) != val) break; - /* What if an SMI kicks in here when - * count is just slightly over 5 and SMI run long enough - * so that PIT MSB value is way bigger then val? - * Then tscp will have an unreasonably large value, - * since the code has no notion of - * how much inb(0x42) MSB is bigger then val when it return from SMI. + /* + * What if an SMI kicks in here when count is just + * slightly over 5 and SMI run long enough so that PIT + * MSB value is way bigger then val? Then tscp will + * have an unreasonably large value, since the code + * has no notion of how much inb(0x42) MSB is bigger + * then val when it return from SMI. + * * In addition, since the 2 get_cycles() are near, - * deltap may get a sane value. - * If this happen on the final few readings - * just before (d1+d2 < delta >> 11), - * this may skew the average delta variable of quick_pit_calibrate(). + * deltap may get a sane value. If this happen on the + * final few readings just before + * (d1+d2 < delta >> * 11), this may skew the average + * delta variable of quick_pit_calibrate(). */ tsc = get_cycles(); } *deltap = get_cycles() - tsc; *tscp = tsc; - /* inb(0x42) will need to be separately repeated here as - * the SMI may take so long that the old reading - * is no longer reliable. inb(0x42) after all get_cycles is the safest. + /* + * inb(0x42) will need to be separately repeated here as the + * SMI may take so long that the old reading is no longer + * reliable. inb(0x42) after all get_cycles is the safest. */ inb(0x42); if (inb(0x42) < (val - 1)) -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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