diff options
| -rw-r--r-- | sys-boot/grub/files/2.02-efi-tsc-pmtimer.patch | 32 | ||||
| -rw-r--r-- | sys-boot/grub/grub-2.02-r4.ebuild (renamed from sys-boot/grub/grub-2.02-r3.ebuild) | 1 |
2 files changed, 33 insertions, 0 deletions
diff --git a/sys-boot/grub/files/2.02-efi-tsc-pmtimer.patch b/sys-boot/grub/files/2.02-efi-tsc-pmtimer.patch new file mode 100644 index 000000000000..f20845d5a34b --- /dev/null +++ b/sys-boot/grub/files/2.02-efi-tsc-pmtimer.patch @@ -0,0 +1,32 @@ +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(-) + +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 +-- +2.22.0 + diff --git a/sys-boot/grub/grub-2.02-r3.ebuild b/sys-boot/grub/grub-2.02-r4.ebuild index 343fae3197de..e7fdf86942fe 100644 --- a/sys-boot/grub/grub-2.02-r3.ebuild +++ b/sys-boot/grub/grub-2.02-r4.ebuild @@ -44,6 +44,7 @@ PATCHES=( "${FILESDIR}"/2.02-xfs-sparse-inodes.patch "${FILESDIR}"/2.02-X86_64_PLT32.patch "${FILESDIR}"/2.02-gcc8.patch + "${FILESDIR}"/2.02-efi-tsc-pmtimer.patch ) DEJAVU=dejavu-sans-ttf-2.37 |