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authorJeff Garzik <jgarzik@pobox.com>2005-08-29 19:01:43 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-08-29 19:01:43 -0400
commitda61396d24e37258817e42537c482e962b4742f7 (patch)
tree4293a5d557b8f9fed8a2bac93f1e5c939c7b65c3 /arch/arm/kernel/entry-armv.S
parent2f058256cb64e346f4fb4499ff4e0f1c2791a4b4 (diff)
parent8f3d17fb7bcb7c255197d11469fb5e9695c9d2f4 (diff)
Merge upstream kernel into libata 'passthru' branch
Diffstat (limited to 'arch/arm/kernel/entry-armv.S')
-rw-r--r--arch/arm/kernel/entry-armv.S7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 39a6c1b0b9a..7152bfbee58 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -533,6 +533,13 @@ ENTRY(__switch_to)
ldr r3, [r2, #TI_TP_VALUE]
stmia ip!, {r4 - sl, fp, sp, lr} @ Store most regs on stack
ldr r6, [r2, #TI_CPU_DOMAIN]!
+#if __LINUX_ARM_ARCH__ >= 6
+#ifdef CONFIG_CPU_MPCORE
+ clrex
+#else
+ strex r3, r4, [ip] @ Clear exclusive monitor
+#endif
+#endif
#if defined(CONFIG_CPU_XSCALE) && !defined(CONFIG_IWMMXT)
mra r4, r5, acc0
stmia ip, {r4, r5}