Add the missing XCR0(XFEATURE_ENABLED_MASK) restore during resume.
Reported-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
#include <linux/suspend.h>
#include <asm/mtrr.h>
#include <asm/mce.h>
+#include <asm/xcr.h>
static struct saved_context saved_context;
if (boot_cpu_has(X86_FEATURE_SEP))
enable_sep_cpu();
+ /*
+ * restore XCR0 for xsave capable cpu's.
+ */
+ if (cpu_has_xsave)
+ xsetbv(XCR_XFEATURE_ENABLED_MASK, pcntxt_mask);
+
fix_processor_context();
do_fpu_end();
mtrr_ap_init();
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/mtrr.h>
+#include <asm/xcr.h>
static void fix_processor_context(void);
wrmsrl(MSR_GS_BASE, ctxt->gs_base);
wrmsrl(MSR_KERNEL_GS_BASE, ctxt->gs_kernel_base);
+ /*
+ * restore XCR0 for xsave capable cpu's.
+ */
+ if (cpu_has_xsave)
+ xsetbv(XCR_XFEATURE_ENABLED_MASK, pcntxt_mask);
+
fix_processor_context();
do_fpu_end();