mirror of
https://git.proxmox.com/git/grub2
synced 2025-10-22 15:56:16 +00:00
35 lines
1.6 KiB
Diff
35 lines
1.6 KiB
Diff
From edda6b09c43ecbd0f7735e0a78a5ea94ac5fda66 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: 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>
|
|
|
|
Origin: upstream, https://git.savannah.gnu.org/cgit/grub.git/commit/?id=446794de8da4329ea532cbee4ca877bcafd0e534
|
|
Bug-Debian: https://bugs.debian.org/883193
|
|
Last-Update: 2017-12-01
|
|
|
|
Patch-Name: tsc_efi_default_to_pmtimer.patch
|
|
---
|
|
grub-core/kern/i386/tsc.c | 2 +-
|
|
1 file changed, 1 insertion(+), 1 deletion(-)
|
|
|
|
diff --git a/grub-core/kern/i386/tsc.c b/grub-core/kern/i386/tsc.c
|
|
index 2e85289d8..f266eb131 100644
|
|
--- a/grub-core/kern/i386/tsc.c
|
|
+++ b/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
|