Commit d560bc61 authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge Committed by H. Peter Anvin

x86, xen: Suppress WP test on Xen

Xen always runs on CPUs which properly support WP enforcement in
privileged mode, so there's no need to test for it.

This also works around a crash reported by Arnd Hannemann, though I
think its just a band-aid for that case.
Reported-by: default avatarArnd Hannemann <hannemann@nets.rwth-aachen.de>
Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: default avatarPekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent 9c937688
...@@ -1059,6 +1059,7 @@ asmlinkage void __init xen_start_kernel(void) ...@@ -1059,6 +1059,7 @@ asmlinkage void __init xen_start_kernel(void)
/* set up basic CPUID stuff */ /* set up basic CPUID stuff */
cpu_detect(&new_cpu_data); cpu_detect(&new_cpu_data);
new_cpu_data.hard_math = 1; new_cpu_data.hard_math = 1;
new_cpu_data.wp_works_ok = 1;
new_cpu_data.x86_capability[0] = cpuid_edx(1); new_cpu_data.x86_capability[0] = cpuid_edx(1);
#endif #endif
......
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