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Message-Id: <20230815004813.555115-16-vgupta@kernel.org>
Date: Mon, 14 Aug 2023 17:48:08 -0700
From: Vineet Gupta <vgupta@...nel.org>
To: linux-snps-arc@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org,
Shahab Vahedi <Shahab.Vahedi@...opsys.com>,
Alexey Brodkin <abrodkin@...opsys.com>,
Vineet Gupta <vgupta@...nel.org>
Subject: [PATCH 15/20] ARC: entry: EV_MachineCheck dont re-read ECR
Signed-off-by: Vineet Gupta <vgupta@...nel.org>
---
arch/arc/kernel/entry.S | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
index f291fc8476d7..46582fbebcf2 100644
--- a/arch/arc/kernel/entry.S
+++ b/arch/arc/kernel/entry.S
@@ -95,16 +95,15 @@ END(instr_service)
ENTRY(EV_MachineCheck)
- EXCEPTION_PROLOGUE
+ EXCEPTION_PROLOGUE ; ECR returned in r10
- lr r2, [ecr]
lr r0, [efa]
mov r1, sp
; MC excpetions disable MMU
ARC_MMU_REENABLE r3
- lsr r3, r2, 8
+ lsr r3, r10, 8
bmsk r3, r3, 7
brne r3, ECR_C_MCHK_DUP_TLB, 1f
--
2.34.1
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