Thread (19 messages) 19 messages, 3 authors, 2019-01-30

[PATCH v14 01/12] powerpc/32: Fix CONFIG_VIRT_CPU_ACCOUNTING_NATIVE for 40x/booke

STALE2801d

From: Christophe Leroy <hidden>
Date: 2019-01-24 16:19:37
Also in: lkml
Subsystem: linux for powerpc (32-bit and 64-bit), the rest · Maintainers: Madhavan Srinivasan, Linus Torvalds

40x/booke have another path to reach 3f from transfer_to_handler,
so ACCOUNT_CPU_USER_ENTRY() have to be moved there.

Signed-off-by: Christophe Leroy <redacted>
---
 arch/powerpc/kernel/entry_32.S | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 0768dfd8a64e..0165edd03b38 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -185,12 +185,6 @@ transfer_to_handler:
 	addi	r12,r12,-1
 	stw	r12,4(r11)
 #endif
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
-	CURRENT_THREAD_INFO(r9, r1)
-	tophys(r9, r9)
-	ACCOUNT_CPU_USER_ENTRY(r9, r11, r12)
-#endif
-
 	b	3f
 
 2:	/* if from kernel, check interrupted DOZE/NAP mode and
@@ -208,9 +202,14 @@ transfer_to_handler:
 	bt-	31-TLF_NAPPING,4f
 	bt-	31-TLF_SLEEPING,7f
 #endif /* CONFIG_PPC_BOOK3S_32 || CONFIG_E500 */
+3:
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
+	CURRENT_THREAD_INFO(r9, r1)
+	tophys(r9, r9)
+	ACCOUNT_CPU_USER_ENTRY(r9, r11, r12)
+#endif
 	.globl transfer_to_handler_cont
 transfer_to_handler_cont:
-3:
 	mflr	r9
 	lwz	r11,0(r9)		/* virtual address of handler */
 	lwz	r9,4(r9)		/* where to go when done */
-- 
2.13.3
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