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authorPeter Hurley <peter@hurleysoftware.com>2013-02-27 15:28:28 -0500
committerGleb Natapov <gleb@redhat.com>2013-02-28 08:50:11 +0200
commit3d2a80a230250c2534ce5b17503670adaf1d7fff (patch)
tree2d52e8d1159051f0647afda8d889fd6645ff5cf2 /arch/x86/kernel
parent2a7d2b96d5cba7568139d9ab157a0e97ab32440f (diff)
downloadvexpress-lsk-3d2a80a230250c2534ce5b17503670adaf1d7fff.tar.gz
x86/kvm: Fix pvclock vsyscall fixmap
The physical memory fixmapped for the pvclock clock_gettime vsyscall was allocated, and thus is not a kernel symbol. __pa() is the proper method to use in this case. Fixes the crash below when booting a next-20130204+ smp guest on a 3.8-rc5+ KVM host. [ 0.666410] udevd[97]: starting version 175 [ 0.674043] udevd[97]: udevd:[97]: segfault at ffffffffff5fd020 ip 00007fff069e277f sp 00007fff068c9ef8 error d Acked-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/pvclock.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
index 85c39590c1a..2cb9470ea85 100644
--- a/arch/x86/kernel/pvclock.c
+++ b/arch/x86/kernel/pvclock.c
@@ -185,7 +185,7 @@ int __init pvclock_init_vsyscall(struct pvclock_vsyscall_time_info *i,
for (idx = 0; idx <= (PVCLOCK_FIXMAP_END-PVCLOCK_FIXMAP_BEGIN); idx++) {
__set_fixmap(PVCLOCK_FIXMAP_BEGIN + idx,
- __pa_symbol(i) + (idx*PAGE_SIZE),
+ __pa(i) + (idx*PAGE_SIZE),
PAGE_KERNEL_VVAR);
}