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From: Nicholas Piggin <npiggin@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Nicholas Piggin <npiggin@gmail.com>
Subject: [PATCH v3 04/13] powerpc/64s/exception: windup use r9 consistently to restore SPRs
Date: Fri, 28 Jun 2019 15:33:23 +1000	[thread overview]
Message-ID: <20190628053332.22366-5-npiggin@gmail.com> (raw)
In-Reply-To: <20190628053332.22366-1-npiggin@gmail.com>

Trivial code change, r3->r9.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 arch/powerpc/kernel/exceptions-64s.S | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 0804a86f6f28..b1dfd0af0120 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -909,8 +909,8 @@ EXC_COMMON_BEGIN(system_reset_common)
 	/* Move original SRR0 and SRR1 into the respective regs */
 	ld	r9,_MSR(r1)
 	mtspr	SPRN_SRR1,r9
-	ld	r3,_NIP(r1)
-	mtspr	SPRN_SRR0,r3
+	ld	r9,_NIP(r1)
+	mtspr	SPRN_SRR0,r9
 	ld	r9,_CTR(r1)
 	mtctr	r9
 	ld	r9,_XER(r1)
@@ -1083,8 +1083,8 @@ EXC_COMMON_BEGIN(machine_check_common)
 	/* Move original SRR0 and SRR1 into the respective regs */	\
 	ld	r9,_MSR(r1);				\
 	mtspr	SPRN_SRR1,r9;				\
-	ld	r3,_NIP(r1);				\
-	mtspr	SPRN_SRR0,r3;				\
+	ld	r9,_NIP(r1);				\
+	mtspr	SPRN_SRR0,r9;				\
 	ld	r9,_CTR(r1);				\
 	mtctr	r9;					\
 	ld	r9,_XER(r1);				\
@@ -1786,8 +1786,8 @@ TRAMP_REAL_BEGIN(hmi_exception_early)
 	/* Move original HSRR0 and HSRR1 into the respective regs */
 	ld	r9,_MSR(r1)
 	mtspr	SPRN_HSRR1,r9
-	ld	r3,_NIP(r1)
-	mtspr	SPRN_HSRR0,r3
+	ld	r9,_NIP(r1)
+	mtspr	SPRN_HSRR0,r9
 	ld	r9,_CTR(r1)
 	mtctr	r9
 	ld	r9,_XER(r1)
-- 
2.20.1


  parent reply	other threads:[~2019-06-28  5:40 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-28  5:33 [PATCH v3 00/13] next batch of interrupt handler improvements Nicholas Piggin
2019-06-28  5:33 ` [PATCH v3 01/13] powerpc/64s/exception: clean up system call entry Nicholas Piggin
2019-07-04 15:52   ` Michael Ellerman
2019-06-28  5:33 ` [PATCH v3 02/13] powerpc/64s/exception: avoid SPR RAW scoreboard stall in real mode entry Nicholas Piggin
2019-06-28  5:33 ` [PATCH v3 03/13] powerpc/64s/exception: mtmsrd L=1 cleanup Nicholas Piggin
2019-06-28  5:33 ` Nicholas Piggin [this message]
2019-06-28  5:33 ` [PATCH v3 05/13] powerpc/64s/exception: move machine check windup in_mce handling Nicholas Piggin
2019-06-28  5:33 ` [PATCH v3 06/13] powerpc/64s/exception: simplify hmi windup code Nicholas Piggin
2019-06-28  5:33 ` [PATCH v3 07/13] powerpc/64s/exception: shuffle windup code around Nicholas Piggin
2019-06-28  5:33 ` [PATCH v3 08/13] powerpc/64s/exception: use common macro for windup Nicholas Piggin
2019-06-28  5:33 ` [PATCH v3 09/13] powerpc/64s/exception: add dar and dsisr options to exception macro Nicholas Piggin
2019-06-28  5:33 ` [PATCH v3 10/13] powerpc/64s/exception: machine check use standard macros to save dar/dsisr Nicholas Piggin
2019-06-28  5:33 ` [PATCH v3 11/13] powerpc/64s/exception: denorm handler use standard scratch save macro Nicholas Piggin
2019-06-28  5:33 ` [PATCH v3 12/13] powerpc/64s/exception: move SET_SCRATCH0 into EXCEPTION_PROLOG_0 Nicholas Piggin
2019-06-28  5:33 ` [PATCH v3 13/13] powerpc/tm: update comment about interrupt re-entrancy Nicholas Piggin

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