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fa8b2484d0
- Pull in fixes for TSC calibration driver preference (prefer pmtimer over PIT) to boot on Apollo Lake systems with no PIT - Fix pmtimer calibration to not take forever to fail on kvm. Signed-off-by: Peter Jones <pjones@redhat.com>
53 lines
1.5 KiB
Diff
53 lines
1.5 KiB
Diff
From f8679cedff703b437171f4708d46adbfcff80a65 Mon Sep 17 00:00:00 2001
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From: Eric Snowberg <eric.snowberg@oracle.com>
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Date: Thu, 18 May 2017 17:10:22 -0600
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Subject: [PATCH 042/198] sparc64: Don't use devspec to determine the OBP path
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Don't use devspec to determine the OBP path on SPARC hardware. Within all
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versions of Linux on SPARC, the devspec returns one of three values:
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"none", "vnet-port", or "vdisk". Unlike on PPC, none of these values
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are useful in determining the OBP path.
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Before this patch grub-ofpathname always returned the wrong value
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for a virtual disk. For example:
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% grub-ofpathname /dev/vdiskc2
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vdisk/disk@2:b
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After this patch it now returns the correct value:
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% grub-ofpathname /dev/vdiskc2
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/virtual-devices@100/channel-devices@200/disk@2:b
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Orabug: 24459765
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Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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grub-core/osdep/linux/ofpath.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/grub-core/osdep/linux/ofpath.c b/grub-core/osdep/linux/ofpath.c
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index a79682a5e..dce4e59d0 100644
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--- a/grub-core/osdep/linux/ofpath.c
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+++ b/grub-core/osdep/linux/ofpath.c
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@@ -120,6 +120,8 @@ find_obppath (const char *sysfs_path_orig)
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#endif
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fd = open(path, O_RDONLY);
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+
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+#ifndef __sparc__
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if (fd < 0 || fstat (fd, &st) < 0)
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{
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if (fd >= 0)
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@@ -127,6 +129,7 @@ find_obppath (const char *sysfs_path_orig)
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snprintf(path, path_size, "%s/devspec", sysfs_path);
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fd = open(path, O_RDONLY);
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}
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+#endif
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if (fd < 0 || fstat (fd, &st) < 0)
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{
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--
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2.14.3
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