File 0001-tsc-Change-default-tsc-calibration-method-... of Package grub2.16807

Overview Repositories Revisions Requests Users Attributes Meta

File 0001-tsc-Change-default-tsc-calibration-method-to-pmtimer.patch of Package grub2.16807

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

Places

File 0001-tsc-Change-default-tsc-calibration-method-to-pmtimer.patch of Package grub2.16807

Places