x86/cpufeature: Use enum cpuid_leafs instead of magic numbers
authorHuaitong Han <huaitong.han@intel.com>
Mon, 25 Jan 2016 19:41:47 +0000 (20:41 +0100)
committerIngo Molnar <mingo@kernel.org>
Mon, 1 Feb 2016 09:46:48 +0000 (10:46 +0100)
Most of the magic numbers in x86_capability[] have been converted to
'enum cpuid_leafs', and this patch updates the remaining part.

Signed-off-by: Huaitong Han <huaitong.han@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Alexander Kuleshov <kuleshovmail@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Hector Marco-Gisbert <hecmargi@upv.es>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: lguest@lists.ozlabs.org
Cc: xen-devel@lists.xenproject.org
Link: http://lkml.kernel.org/r/1453750913-4781-3-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/include/asm/elf.h
arch/x86/kernel/mpparse.c
arch/x86/lguest/boot.c
arch/x86/xen/enlighten.c

index 1514753fd43553e079696712b48a8d08b6966e98..15340e36ddcb3364e16eb63cd61c61a42676d756 100644 (file)
@@ -256,7 +256,7 @@ extern int force_personality32;
    instruction set this CPU supports.  This could be done in user space,
    but it's not easy, and we've already done it here.  */
 
-#define ELF_HWCAP              (boot_cpu_data.x86_capability[0])
+#define ELF_HWCAP              (boot_cpu_data.x86_capability[CPUID_1_EDX])
 
 /* This yields a string that ld.so will use to load implementation
    specific libraries for optimization.  This is more specific in
index 30ca7607cbbbbcae4793aa5c14d8f73bbd784d71..97340f2c437c64def7a83f75a8f9b0bc6a968451 100644 (file)
@@ -408,7 +408,7 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type)
        processor.cpuflag = CPU_ENABLED;
        processor.cpufeature = (boot_cpu_data.x86 << 8) |
            (boot_cpu_data.x86_model << 4) | boot_cpu_data.x86_mask;
-       processor.featureflag = boot_cpu_data.x86_capability[0];
+       processor.featureflag = boot_cpu_data.x86_capability[CPUID_1_EDX];
        processor.reserved[0] = 0;
        processor.reserved[1] = 0;
        for (i = 0; i < 2; i++) {
index 4ba229ac3f4ff127dddf0c33fb91cc42f2e60b22..a9033ae13369c0f75c81bd62aa0582901fa754e6 100644 (file)
@@ -1535,7 +1535,7 @@ __init void lguest_init(void)
         */
        cpu_detect(&new_cpu_data);
        /* head.S usually sets up the first capability word, so do it here. */
-       new_cpu_data.x86_capability[0] = cpuid_edx(1);
+       new_cpu_data.x86_capability[CPUID_1_EDX] = cpuid_edx(1);
 
        /* Math is always hard! */
        set_cpu_cap(&new_cpu_data, X86_FEATURE_FPU);
index d09e4c9d7cc5b4044c4421bde8692aaa6f8b21be..2c261082eadf82f693d062e7f600660fcd56817f 100644 (file)
@@ -1654,7 +1654,7 @@ asmlinkage __visible void __init xen_start_kernel(void)
        cpu_detect(&new_cpu_data);
        set_cpu_cap(&new_cpu_data, X86_FEATURE_FPU);
        new_cpu_data.wp_works_ok = 1;
-       new_cpu_data.x86_capability[0] = cpuid_edx(1);
+       new_cpu_data.x86_capability[CPUID_1_EDX] = cpuid_edx(1);
 #endif
 
        if (xen_start_info->mod_start) {