diff options
| -rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/cyrix.c | 6 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mtrr/cyrix.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mtrr/generic.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mtrr/state.c | 3 |
5 files changed, 10 insertions, 8 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 205fd5b..a96abd4 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -11,6 +11,7 @@ #include <linux/utsname.h> #include <asm/bugs.h> #include <asm/processor.h> +#include <asm/processor-flags.h> #include <asm/i387.h> #include <asm/msr.h> #include <asm/paravirt.h> @@ -35,7 +36,7 @@ __setup("mca-pentium", mca_pentium); static int __init no_387(char *s) { boot_cpu_data.hard_math = 0; - write_cr0(0xE | read_cr0()); + write_cr0(X86_CR0_TS | X86_CR0_EM | X86_CR0_MP | read_cr0()); return 1; } diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c index 88d66fb..404a6a2 100644 --- a/arch/x86/kernel/cpu/cyrix.c +++ b/arch/x86/kernel/cpu/cyrix.c @@ -5,6 +5,7 @@ #include <asm/dma.h> #include <asm/io.h> #include <asm/processor-cyrix.h> +#include <asm/processor-flags.h> #include <asm/timer.h> #include <asm/pci-direct.h> #include <asm/tsc.h> @@ -126,15 +127,12 @@ static void __cpuinit set_cx86_reorder(void) static void __cpuinit set_cx86_memwb(void) { - u32 cr0; - printk(KERN_INFO "Enable Memory-Write-back mode on Cyrix/NSC processor.\n"); /* CCR2 bit 2: unlock NW bit */ setCx86(CX86_CCR2, getCx86(CX86_CCR2) & ~0x04); /* set 'Not Write-through' */ - cr0 = 0x20000000; - write_cr0(read_cr0() | cr0); + write_cr0(read_cr0() | X86_CR0_NW); /* CCR2 bit 2: lock NW bit and set WT1 */ setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x14 ); } diff --git a/arch/x86/kernel/cpu/mtrr/cyrix.c b/arch/x86/kernel/cpu/mtrr/cyrix.c index 9964be3..8e139c7 100644 --- a/arch/x86/kernel/cpu/mtrr/cyrix.c +++ b/arch/x86/kernel/cpu/mtrr/cyrix.c @@ -4,6 +4,7 @@ #include <asm/msr.h> #include <asm/io.h> #include <asm/processor-cyrix.h> +#include <asm/processor-flags.h> #include "mtrr.h" int arr3_protected; @@ -142,7 +143,7 @@ static void prepare_set(void) /* Disable and flush caches. Note that wbinvd flushes the TLBs as a side-effect */ - cr0 = read_cr0() | 0x40000000; + cr0 = read_cr0() | X86_CR0_CD; wbinvd(); write_cr0(cr0); wbinvd(); diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c index 1c331c3..55d31ff 100644 --- a/arch/x86/kernel/cpu/mtrr/generic.c +++ b/arch/x86/kernel/cpu/mtrr/generic.c @@ -9,6 +9,7 @@ #include <asm/msr.h> #include <asm/system.h> #include <asm/cpufeature.h> +#include <asm/processor-flags.h> #include <asm/tlbflush.h> #include "mtrr.h" @@ -350,7 +351,7 @@ static void prepare_set(void) __acquires(set_atomicity_lock) spin_lock(&set_atomicity_lock); /* Enter the no-fill (CD=1, NW=0) cache mode and flush caches. */ - cr0 = read_cr0() | 0x40000000; /* set CD flag */ + cr0 = read_cr0() | X86_CR0_CD; write_cr0(cr0); wbinvd(); diff --git a/arch/x86/kernel/cpu/mtrr/state.c b/arch/x86/kernel/cpu/mtrr/state.c index 49e20c2..9f8ba92 100644 --- a/arch/x86/kernel/cpu/mtrr/state.c +++ b/arch/x86/kernel/cpu/mtrr/state.c @@ -4,6 +4,7 @@ #include <asm/mtrr.h> #include <asm/msr.h> #include <asm/processor-cyrix.h> +#include <asm/processor-flags.h> #include "mtrr.h" @@ -25,7 +26,7 @@ void set_mtrr_prepare_save(struct set_mtrr_context *ctxt) /* Disable and flush caches. Note that wbinvd flushes the TLBs as a side-effect */ - cr0 = read_cr0() | 0x40000000; + cr0 = read_cr0() | X86_CR0_CD; wbinvd(); write_cr0(cr0); wbinvd(); |
