From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Scott Wood <oss@buserror.net>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH] powerpc/32: Remove FIX_SRR1
Date: Tue, 13 Dec 2016 17:57:38 +0100 (CET) [thread overview]
Message-ID: <20161213165738.9FCCD675BF@localhost.localdomain> (raw)
FIX_SRR1() is defined as blank. Last useful instance of FIX_SRR1()
was removed by commit 40ef8cbc6d360 ("powerpc: Get 64-bit configs to
compile with ARCH=powerpc") in 2005.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
arch/powerpc/include/asm/ppc_asm.h | 1 -
arch/powerpc/kernel/entry_32.S | 4 ----
arch/powerpc/kernel/head_32.S | 3 ---
3 files changed, 8 deletions(-)
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 025833b..359c443 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -505,7 +505,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
#define MTMSRD(r) mtmsrd r
#define MTMSR_EERI(reg) mtmsrd reg,1
#else
-#define FIX_SRR1(ra, rb)
#ifndef CONFIG_40x
#define RFI rfi
#else
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 5742dbd..980626a 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -292,7 +292,6 @@ stack_ovf:
lis r9,StackOverflow@ha
addi r9,r9,StackOverflow@l
LOAD_MSR_KERNEL(r10,MSR_KERNEL)
- FIX_SRR1(r10,r12)
mtspr SPRN_SRR0,r9
mtspr SPRN_SRR1,r10
SYNC
@@ -417,7 +416,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX)
mtlr r4
mtcr r5
lwz r7,_NIP(r1)
- FIX_SRR1(r8, r0)
lwz r2,GPR2(r1)
lwz r1,GPR1(r1)
mtspr SPRN_SRR0,r7
@@ -951,7 +949,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX)
.globl exc_exit_restart
exc_exit_restart:
lwz r12,_NIP(r1)
- FIX_SRR1(r9,r10)
mtspr SPRN_SRR0,r12
mtspr SPRN_SRR1,r9
REST_4GPRS(9, r1)
@@ -1294,7 +1291,6 @@ _GLOBAL(enter_rtas)
1: tophys(r9,r1)
lwz r8,INT_FRAME_SIZE+4(r9) /* get return address */
lwz r9,8(r9) /* original msr value */
- FIX_SRR1(r9,r0)
addi r1,r1,INT_FRAME_SIZE
li r0,0
mtspr SPRN_SPRG_RTAS,r0
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 9d96354..1607be7 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -869,7 +869,6 @@ __secondary_start:
/* enable MMU and jump to start_secondary */
li r4,MSR_KERNEL
- FIX_SRR1(r4,r5)
lis r3,start_secondary@h
ori r3,r3,start_secondary@l
mtspr SPRN_SRR0,r3
@@ -977,7 +976,6 @@ start_here:
ori r4,r4,2f@l
tophys(r4,r4)
li r3,MSR_KERNEL & ~(MSR_IR|MSR_DR)
- FIX_SRR1(r3,r5)
mtspr SPRN_SRR0,r4
mtspr SPRN_SRR1,r3
SYNC
@@ -1001,7 +999,6 @@ start_here:
/* Now turn on the MMU for real! */
li r4,MSR_KERNEL
- FIX_SRR1(r4,r5)
lis r3,start_kernel@h
ori r3,r3,start_kernel@l
mtspr SPRN_SRR0,r3
--
2.10.1
reply other threads:[~2016-12-13 16:57 UTC|newest]
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