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Diffstat (limited to 'arch/x86/kernel/cpu/match.c')
-rw-r--r--arch/x86/kernel/cpu/match.c39
1 files changed, 8 insertions, 31 deletions
diff --git a/arch/x86/kernel/cpu/match.c b/arch/x86/kernel/cpu/match.c
index ad6776081e60..4f3c65429f82 100644
--- a/arch/x86/kernel/cpu/match.c
+++ b/arch/x86/kernel/cpu/match.c
@@ -6,7 +6,7 @@
#include <linux/slab.h>
/**
- * x86_match_cpu - match current CPU again an array of x86_cpu_ids
+ * x86_match_cpu - match current CPU against an array of x86_cpu_ids
* @match: Pointer to array of x86_cpu_ids. Last entry terminated with
* {}.
*
@@ -17,8 +17,7 @@
*
* A typical table entry would be to match a specific CPU
*
- * X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 6, INTEL_FAM6_BROADWELL,
- * X86_FEATURE_ANY, NULL);
+ * X86_MATCH_VFM_FEATURE(INTEL_BROADWELL, X86_FEATURE_ANY, NULL);
*
* Fields can be wildcarded with %X86_VENDOR_ANY, %X86_FAMILY_ANY,
* %X86_MODEL_ANY, %X86_FEATURE_ANY (except for vendor)
@@ -26,7 +25,7 @@
* asm/cpu_device_id.h contains a set of useful macros which are shortcuts
* for various common selections. The above can be shortened to:
*
- * X86_MATCH_INTEL_FAM6_MODEL(BROADWELL, NULL);
+ * X86_MATCH_VFM(INTEL_BROADWELL, NULL);
*
* Arrays used to match for this should also be declared using
* MODULE_DEVICE_TABLE(x86cpu, ...)
@@ -39,9 +38,7 @@ const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match)
const struct x86_cpu_id *m;
struct cpuinfo_x86 *c = &boot_cpu_data;
- for (m = match;
- m->vendor | m->family | m->model | m->steppings | m->feature;
- m++) {
+ for (m = match; m->flags & X86_CPU_ID_FLAG_ENTRY_VALID; m++) {
if (m->vendor != X86_VENDOR_ANY && c->x86_vendor != m->vendor)
continue;
if (m->family != X86_FAMILY_ANY && c->x86 != m->family)
@@ -59,33 +56,13 @@ const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match)
}
EXPORT_SYMBOL(x86_match_cpu);
-static const struct x86_cpu_desc *
-x86_match_cpu_with_stepping(const struct x86_cpu_desc *match)
+bool x86_match_min_microcode_rev(const struct x86_cpu_id *table)
{
- struct cpuinfo_x86 *c = &boot_cpu_data;
- const struct x86_cpu_desc *m;
-
- for (m = match; m->x86_family | m->x86_model; m++) {
- if (c->x86_vendor != m->x86_vendor)
- continue;
- if (c->x86 != m->x86_family)
- continue;
- if (c->x86_model != m->x86_model)
- continue;
- if (c->x86_stepping != m->x86_stepping)
- continue;
- return m;
- }
- return NULL;
-}
-
-bool x86_cpu_has_min_microcode_rev(const struct x86_cpu_desc *table)
-{
- const struct x86_cpu_desc *res = x86_match_cpu_with_stepping(table);
+ const struct x86_cpu_id *res = x86_match_cpu(table);
- if (!res || res->x86_microcode_rev > boot_cpu_data.microcode)
+ if (!res || res->driver_data > boot_cpu_data.microcode)
return false;
return true;
}
-EXPORT_SYMBOL_GPL(x86_cpu_has_min_microcode_rev);
+EXPORT_SYMBOL_GPL(x86_match_min_microcode_rev);