x86, cpu, amd: Deprecate AMD-specific MSR variants

Now that all users of {rd,wr}msr_amd_safe have been fixed, deprecate its
use by making them private to amd.c and adding warnings when used on
anything else beside K8.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Link: http://lkml.kernel.org/r/1338562358-28182-5-git-send-email-bp@amd64.org
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 0 insertions, 27 deletions

diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 81860cc012d1..cb33b5f00267 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -211,33 +211,6 @@ do {                                                            \
 
 #endif  /* !CONFIG_PARAVIRT */
 
-static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p)
-{
-        u32 gprs[8] = { 0 };
-        int err;
-
-        gprs[1] = msr;
-        gprs[7] = 0x9c5a203a;
-
-        err = rdmsr_safe_regs(gprs);
-
-        *p = gprs[0] | ((u64)gprs[2] << 32);
-
-        return err;
-}
-
-static inline int wrmsrl_amd_safe(unsigned msr, unsigned long long val)
-{
-        u32 gprs[8] = { 0 };
-
-        gprs[0] = (u32)val;
-        gprs[1] = msr;
-        gprs[2] = val >> 32;
-        gprs[7] = 0x9c5a203a;
-
-        return wrmsr_safe_regs(gprs);
-}
-
 #define checking_wrmsrl(msr, val) wrmsr_safe((msr), (u32)(val),         \
                                              (u32)((val) >> 32))