[PATCH v4 20/20] powerpc: Remove do_load_up_transact_{fpu,altivec}
Cyril Bur
cyrilbur at gmail.com
Tue Sep 6 09:44:48 AEST 2016
Previous rework of TM code leaves these functions unused
Signed-off-by: Cyril Bur <cyrilbur at gmail.com>
---
arch/powerpc/include/asm/tm.h | 5 -----
arch/powerpc/kernel/fpu.S | 26 --------------------------
arch/powerpc/kernel/vector.S | 25 -------------------------
3 files changed, 56 deletions(-)
diff --git a/arch/powerpc/include/asm/tm.h b/arch/powerpc/include/asm/tm.h
index c22d704..82e06ca 100644
--- a/arch/powerpc/include/asm/tm.h
+++ b/arch/powerpc/include/asm/tm.h
@@ -9,11 +9,6 @@
#ifndef __ASSEMBLY__
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
-extern void do_load_up_transact_fpu(struct thread_struct *thread);
-extern void do_load_up_transact_altivec(struct thread_struct *thread);
-#endif
-
extern void tm_enable(void);
extern void tm_reclaim(struct thread_struct *thread,
unsigned long orig_msr, uint8_t cause);
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S
index 181c187..08d14b0 100644
--- a/arch/powerpc/kernel/fpu.S
+++ b/arch/powerpc/kernel/fpu.S
@@ -50,32 +50,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX); \
#define REST_32FPVSRS(n,c,base) __REST_32FPVSRS(n,__REG_##c,__REG_##base)
#define SAVE_32FPVSRS(n,c,base) __SAVE_32FPVSRS(n,__REG_##c,__REG_##base)
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
-/* void do_load_up_transact_fpu(struct thread_struct *thread)
- *
- * This is similar to load_up_fpu but for the transactional version of the FP
- * register set. It doesn't mess with the task MSR or valid flags.
- * Furthermore, we don't do lazy FP with TM currently.
- */
-_GLOBAL(do_load_up_transact_fpu)
- mfmsr r6
- ori r5,r6,MSR_FP
-#ifdef CONFIG_VSX
-BEGIN_FTR_SECTION
- oris r5,r5,MSR_VSX at h
-END_FTR_SECTION_IFSET(CPU_FTR_VSX)
-#endif
- SYNC
- MTMSRD(r5)
-
- addi r7,r3,THREAD_CKFPSTATE
- lfd fr0,FPSTATE_FPSCR(r7)
- MTFSF_L(fr0)
- REST_32FPVSRS(0, R4, R7)
-
- blr
-#endif /* CONFIG_PPC_TRANSACTIONAL_MEM */
-
/*
* Load state from memory into FP registers including FPSCR.
* Assumes the caller has enabled FP in the MSR.
diff --git a/arch/powerpc/kernel/vector.S b/arch/powerpc/kernel/vector.S
index 7dc4021..bc85bdf 100644
--- a/arch/powerpc/kernel/vector.S
+++ b/arch/powerpc/kernel/vector.S
@@ -7,31 +7,6 @@
#include <asm/page.h>
#include <asm/ptrace.h>
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
-/* void do_load_up_transact_altivec(struct thread_struct *thread)
- *
- * This is similar to load_up_altivec but for the transactional version of the
- * vector regs. It doesn't mess with the task MSR or valid flags.
- * Furthermore, VEC laziness is not supported with TM currently.
- */
-_GLOBAL(do_load_up_transact_altivec)
- mfmsr r6
- oris r5,r6,MSR_VEC at h
- MTMSRD(r5)
- isync
-
- li r4,1
- stw r4,THREAD_USED_VR(r3)
-
- li r10,THREAD_CKVRSTATE+VRSTATE_VSCR
- lvx v0,r10,r3
- mtvscr v0
- addi r10,r3,THREAD_CKVRSTATE
- REST_32VRS(0,r4,r10)
-
- blr
-#endif
-
/*
* Load state from memory into VMX registers including VSCR.
* Assumes the caller has enabled VMX in the MSR.
--
2.9.3
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