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Merge branches 'x86-cleanups-for-linus' and 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86 cleanup and cpufeature from Ingo Molnar:
 "Just a single cleanup and and a commit that adds new CPU feature
  names"

* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, boot: Remove ancient, unconditionally #ifdef'd out dead code

* 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, cpufeature: Add the RDSEED and ADX features
This commit is contained in:
Linus Torvalds 2012-07-26 13:12:09 -07:00
commit c1b669b72a
2 changed files with 2 additions and 7 deletions
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7
arch/x86/boot/header.S
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@ -406,13 +406,6 @@ init_size: .long INIT_SIZE # kernel initialization size
.section ".entrytext", "ax" .section ".entrytext", "ax"
start_of_setup: start_of_setup:
#ifdef SAFE_RESET_DISK_CONTROLLER
# Reset the disk controller.
movw $0x0000, %ax # Reset disk controller
movb $0x80, %dl # All disks
int $0x13
#endif
# Force %es = %ds # Force %es = %ds
movw %ds, %ax movw %ds, %ax
movw %ax, %es movw %ax, %es

2
arch/x86/include/asm/cpufeature.h
View file

@ -207,6 +207,8 @@
#define X86_FEATURE_ERMS (9*32+ 9) /* Enhanced REP MOVSB/STOSB */ #define X86_FEATURE_ERMS (9*32+ 9) /* Enhanced REP MOVSB/STOSB */
#define X86_FEATURE_INVPCID (9*32+10) /* Invalidate Processor Context ID */ #define X86_FEATURE_INVPCID (9*32+10) /* Invalidate Processor Context ID */
#define X86_FEATURE_RTM (9*32+11) /* Restricted Transactional Memory */ #define X86_FEATURE_RTM (9*32+11) /* Restricted Transactional Memory */
#define X86_FEATURE_RDSEED (9*32+18) /* The RDSEED instruction */
#define X86_FEATURE_ADX (9*32+19) /* The ADCX and ADOX instructions */
#if defined(__KERNEL__) && !defined(__ASSEMBLY__) #if defined(__KERNEL__) && !defined(__ASSEMBLY__)