powerpc: Remove do_load_up_transact_{fpu,altivec}
authorCyril Bur <cyrilbur@gmail.com>
Fri, 23 Sep 2016 06:18:26 +0000 (16:18 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 4 Oct 2016 09:33:16 +0000 (20:33 +1100)
Previous rework of TM code leaves these functions unused

Signed-off-by: Cyril Bur <cyrilbur@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/tm.h
arch/powerpc/kernel/fpu.S
arch/powerpc/kernel/vector.S

index c22d704..82e06ca 100644 (file)
@@ -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);
index 181c187..08d14b0 100644 (file)
@@ -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@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.
index 7dc4021..bc85bdf 100644 (file)
@@ -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@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.