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openSUSE:Evergreen:11.4
xen
21627-cpuidle-wrap.patch
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File 21627-cpuidle-wrap.patch of Package xen
# HG changeset patch # User Keir Fraser <keir.fraser@citrix.com> # Date 1276761018 -3600 # Node ID 7a00c0bd4fc131fb4de5df9f3fdc4e48a29dd5f9 # Parent dab8676e97ce7a95c0777e58eee4b1b03bfc5322 cpuidle: fix wrapped ticks calculation for pm timer. Signed-off-by: Wei Gang <gang.wei@intel.com> Index: xen-4.0.3-testing/xen/arch/x86/acpi/cpu_idle.c =================================================================== --- xen-4.0.3-testing.orig/xen/arch/x86/acpi/cpu_idle.c +++ xen-4.0.3-testing/xen/arch/x86/acpi/cpu_idle.c @@ -127,9 +127,9 @@ static inline u32 ticks_elapsed(u32 t1, if ( t2 >= t1 ) return (t2 - t1); else if ( !(acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) ) - return (((0x00FFFFFF - t1) + t2) & 0x00FFFFFF); + return (((0x00FFFFFF - t1) + t2 + 1) & 0x00FFFFFF); else - return ((0xFFFFFFFF - t1) + t2); + return ((0xFFFFFFFF - t1) + t2 +1); } static void acpi_safe_halt(void)
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