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-rw-r--r--arch/powerpc/kernel/fpu.S16
-rw-r--r--arch/powerpc/kernel/process.c6
-rw-r--r--arch/powerpc/kernel/vector.S10
3 files changed, 4 insertions, 28 deletions
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S
index 431ab571ed1b..2117eaca3d28 100644
--- a/arch/powerpc/kernel/fpu.S
+++ b/arch/powerpc/kernel/fpu.S
@@ -77,22 +77,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX)
#endif /* CONFIG_PPC_TRANSACTIONAL_MEM */
/*
- * Enable use of the FPU, and VSX if possible, for the caller.
- */
-_GLOBAL(fp_enable)
- mfmsr r3
- ori r3,r3,MSR_FP
-#ifdef CONFIG_VSX
-BEGIN_FTR_SECTION
- oris r3,r3,MSR_VSX@h
-END_FTR_SECTION_IFSET(CPU_FTR_VSX)
-#endif
- SYNC
- MTMSRD(r3)
- isync /* (not necessary for arch 2.02 and later) */
- blr
-
-/*
* Load state from memory into FP registers including FPSCR.
* Assumes the caller has enabled FP in the MSR.
*/
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 1eafceefeac9..9f8444b84dde 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -732,13 +732,15 @@ void restore_tm_state(struct pt_regs *regs)
msr_diff = current->thread.ckpt_regs.msr & ~regs->msr;
msr_diff &= MSR_FP | MSR_VEC | MSR_VSX;
if (msr_diff & MSR_FP) {
- fp_enable();
+ msr_check_and_set(MSR_FP);
load_fp_state(&current->thread.fp_state);
+ msr_check_and_clear(MSR_FP);
regs->msr |= current->thread.fpexc_mode;
}
if (msr_diff & MSR_VEC) {
- vec_enable();
+ msr_check_and_set(MSR_VEC);
load_vr_state(&current->thread.vr_state);
+ msr_check_and_clear(MSR_VEC);
}
regs->msr |= msr_diff;
}
diff --git a/arch/powerpc/kernel/vector.S b/arch/powerpc/kernel/vector.S
index 98675b08efe2..162d0f714941 100644
--- a/arch/powerpc/kernel/vector.S
+++ b/arch/powerpc/kernel/vector.S
@@ -33,16 +33,6 @@ _GLOBAL(do_load_up_transact_altivec)
#endif
/*
- * Enable use of VMX/Altivec for the caller.
- */
-_GLOBAL(vec_enable)
- mfmsr r3
- oris r3,r3,MSR_VEC@h
- MTMSRD(r3)
- isync
- blr
-
-/*
* Load state from memory into VMX registers including VSCR.
* Assumes the caller has enabled VMX in the MSR.
*/