From: Juergen Gross Date: Wed, 12 Apr 2017 06:20:29 +0000 (+0200) Subject: x86/xen: don't indicate DCA support in pv domains X-Git-Tag: v5.15~11163^2~29 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3ee99df333a0ac57c3bd8155dfa56fc275668f88;p=platform%2Fkernel%2Flinux-starfive.git x86/xen: don't indicate DCA support in pv domains Xen doesn't support DCA (direct cache access) for pv domains. Clear the corresponding capability indicator. Signed-off-by: Juergen Gross Reviewed-by: Boris Ostrovsky Signed-off-by: Juergen Gross --- diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index 6dc922e..bd69868 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -331,6 +331,7 @@ static void __init xen_init_capabilities(void) { setup_clear_cpu_cap(X86_BUG_SYSRET_SS_ATTRS); setup_force_cpu_cap(X86_FEATURE_XENPV); + setup_clear_cpu_cap(X86_FEATURE_DCA); } static void xen_set_debugreg(int reg, unsigned long val)