Commit-ID: 1ab46fd319bcf1fcd9fb6311727d532b580e4eba Gitweb: http://git.kernel.org/tip/1ab46fd319bcf1fcd9fb6311727d532b580e4eba Author: Konrad Rzeszutek Wilk <[email protected]> AuthorDate: Wed, 30 May 2012 18:23:56 -0400 Committer: H. Peter Anvin <[email protected]> CommitDate: Wed, 30 May 2012 16:15:02 -0700
x86, amd, xen: Avoid NULL pointer paravirt references Stub out MSR methods that aren't actually needed. This fixes a crash as Xen Dom0 on AMD Trinity systems. A bigger patch should be added to remove the paravirt machinery completely for the methods which apparently have no users! Reported-by: Andre Przywara <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: H. Peter Anvin <[email protected]> Cc: <[email protected]> --- arch/x86/xen/enlighten.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 75f33b2..e74df95 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1116,7 +1116,10 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = { .wbinvd = native_wbinvd, .read_msr = native_read_msr_safe, + .rdmsr_regs = native_rdmsr_safe_regs, .write_msr = xen_write_msr_safe, + .wrmsr_regs = native_wrmsr_safe_regs, + .read_tsc = native_read_tsc, .read_pmc = native_read_pmc, -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
