File 5c8fc6c0-x86-MSR-shorten-ARCH_CAPABILITIES.patch of Package xen

Overview Repositories Revisions Requests Users Attributes Meta

File 5c8fc6c0-x86-MSR-shorten-ARCH_CAPABILITIES.patch of Package xen (Revision f5e428da73b7b14272744fc6c0bef136)

Currently displaying revision f5e428da73b7b14272744fc6c0bef136 , Show latest

# Commit ba27aaa88548c824a47dcf5609288ee1c05d2946
# Date 2019-03-18 16:26:40 +0000
# Author Andrew Cooper <andrew.cooper3@citrix.com>
# Committer Andrew Cooper <andrew.cooper3@citrix.com>
x86/msr: Shorten ARCH_CAPABILITIES_* constants

They are unnecesserily verbose, and ARCH_CAPS_* is already the more common
version.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>

--- a/xen/arch/x86/spec_ctrl.c
+++ b/xen/arch/x86/spec_ctrl.c
@@ -230,8 +230,8 @@ static void __init print_details(enum in
            (_7d0 & cpufeat_mask(X86_FEATURE_L1D_FLUSH)) ? " L1D_FLUSH" : "",
            (_7d0 & cpufeat_mask(X86_FEATURE_SSBD))  ? " SSBD"      : "",
            (e8b  & cpufeat_mask(X86_FEATURE_IBPB))  ? " IBPB"      : "",
-           (caps & ARCH_CAPABILITIES_IBRS_ALL)      ? " IBRS_ALL"  : "",
-           (caps & ARCH_CAPABILITIES_RDCL_NO)       ? " RDCL_NO"   : "",
+           (caps & ARCH_CAPS_IBRS_ALL)              ? " IBRS_ALL"  : "",
+           (caps & ARCH_CAPS_RDCL_NO)               ? " RDCL_NO"   : "",
            (caps & ARCH_CAPS_RSBA)                  ? " RSBA"      : "",
            (caps & ARCH_CAPS_SKIP_L1DFL)            ? " SKIP_L1DFL": "",
            (caps & ARCH_CAPS_SSB_NO)                ? " SSB_NO"    : "");
@@ -549,7 +549,7 @@ static __init void l1tf_calculations(uin
     }
 
     /* Any processor advertising RDCL_NO should be not vulnerable to L1TF. */
-    if ( caps & ARCH_CAPABILITIES_RDCL_NO )
+    if ( caps & ARCH_CAPS_RDCL_NO )
         cpu_has_bug_l1tf = false;
 
     if ( cpu_has_bug_l1tf && hit_default )
@@ -613,9 +613,9 @@ int8_t __read_mostly opt_xpti_domu = -1;
 static __init void xpti_init_default(uint64_t caps)
 {
     if ( boot_cpu_data.x86_vendor == X86_VENDOR_AMD )
-        caps = ARCH_CAPABILITIES_RDCL_NO;
+        caps = ARCH_CAPS_RDCL_NO;
 
-    if ( caps & ARCH_CAPABILITIES_RDCL_NO )
+    if ( caps & ARCH_CAPS_RDCL_NO )
     {
         if ( opt_xpti_hwdom < 0 )
             opt_xpti_hwdom = 0;
--- a/xen/include/asm-x86/msr-index.h
+++ b/xen/include/asm-x86/msr-index.h
@@ -42,8 +42,8 @@
 #define PRED_CMD_IBPB			(_AC(1, ULL) << 0)
 
 #define MSR_ARCH_CAPABILITIES		0x0000010a
-#define ARCH_CAPABILITIES_RDCL_NO	(_AC(1, ULL) << 0)
-#define ARCH_CAPABILITIES_IBRS_ALL	(_AC(1, ULL) << 1)
+#define ARCH_CAPS_RDCL_NO		(_AC(1, ULL) << 0)
+#define ARCH_CAPS_IBRS_ALL		(_AC(1, ULL) << 1)
 #define ARCH_CAPS_RSBA			(_AC(1, ULL) << 2)
 #define ARCH_CAPS_SKIP_L1DFL		(_AC(1, ULL) << 3)
 #define ARCH_CAPS_SSB_NO		(_AC(1, ULL) << 4)

Places

File 5c8fc6c0-x86-MSR-shorten-ARCH_CAPABILITIES.patch of Package xen (Revision f5e428da73b7b14272744fc6c0bef136)

Places