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SUSE:SLE-15-SP1:Update
grub2.18447
0001-tsc-Change-default-tsc-calibration-method-...
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File 0001-tsc-Change-default-tsc-calibration-method-to-pmtimer.patch of Package grub2.18447
From 446794de8da4329ea532cbee4ca877bcafd0e534 Mon Sep 17 00:00:00 2001 From: "David E. Box" <david.e.box@linux.intel.com> Date: Fri, 15 Sep 2017 15:37:05 -0700 Subject: [PATCH] tsc: Change default tsc calibration method to pmtimer on EFI systems On efi systems, make pmtimer based tsc calibration the default over the pit. This prevents Grub from hanging on Intel SoC systems that power gate the pit. Signed-off-by: David E. Box <david.e.box@linux.intel.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com> --- grub-core/kern/i386/tsc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: grub-2.02/grub-core/kern/i386/tsc.c =================================================================== --- grub-2.02.orig/grub-core/kern/i386/tsc.c +++ grub-2.02/grub-core/kern/i386/tsc.c @@ -68,7 +68,7 @@ grub_tsc_init (void) #ifdef GRUB_MACHINE_XEN (void) (grub_tsc_calibrate_from_xen () || calibrate_tsc_hardcode()); #elif defined (GRUB_MACHINE_EFI) - (void) (grub_tsc_calibrate_from_pit () || grub_tsc_calibrate_from_pmtimer () || grub_tsc_calibrate_from_efi() || calibrate_tsc_hardcode()); + (void) (grub_tsc_calibrate_from_pmtimer () || grub_tsc_calibrate_from_pit () || grub_tsc_calibrate_from_efi() || calibrate_tsc_hardcode()); #elif defined (GRUB_MACHINE_COREBOOT) (void) (grub_tsc_calibrate_from_pmtimer () || grub_tsc_calibrate_from_pit () || calibrate_tsc_hardcode()); #else
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