Blame SOURCES/0141-detect-virt-use-proc-device-tree.patch
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From 436a001a5a28b9e3dd0988cc5a88bd3d7ec0acc8 Mon Sep 17 00:00:00 2001
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From: Andrew Jones <drjones@redhat.com>
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Date: Tue, 31 Mar 2015 11:08:11 +0200
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Subject: [PATCH] detect-virt: use /proc/device-tree
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Kernel doc Documentation/ABI/testing/sysfs-firmware-ofw says that
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the /proc/device-tree symlink should be used, as opposed to
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directly accessing /sys/firmware/devicetree/base. The former is
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ABI, but not the later.
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Cherry-picked from: b8f1df82646d2
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Resolves: #1207773
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---
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src/shared/virt.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/shared/virt.c b/src/shared/virt.c
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Pablo Greco |
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index 7c1381f4b8..aa3501f429 100644
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--- a/src/shared/virt.c
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+++ b/src/shared/virt.c
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@@ -106,7 +106,7 @@ static int detect_vm_devicetree(const char **_id) {
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_cleanup_free_ char *hvtype = NULL;
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int r;
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- r = read_one_line_file("/sys/firmware/devicetree/base/hypervisor/compatible", &hvtype);
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+ r = read_one_line_file("/proc/device-tree/hypervisor/compatible", &hvtype);
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if (r >= 0) {
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if (streq(hvtype, "linux,kvm")) {
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*_id = "kvm";
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