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authorJens Axboe <jens.axboe@oracle.com>2009-10-05 09:30:10 +0200
committerJens Axboe <jens.axboe@oracle.com>2009-10-05 09:30:10 +0200
commit5d13379a4dba717fb75b749acc0f928c2c02db17 (patch)
treeab5bf870206e6ea8e744390cdb37cb14f7e78257 /arch/arm/kernel/head-common.S
parent08dc8726d4be85bca793141c827574fd32a681bb (diff)
parent374576a8b6f865022c0fd1ca62396889b23d66dd (diff)
Merge branch 'master' into for-2.6.33
Diffstat (limited to 'arch/arm/kernel/head-common.S')
-rw-r--r--arch/arm/kernel/head-common.S4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S
index 93ad576b2d7..885a7214418 100644
--- a/arch/arm/kernel/head-common.S
+++ b/arch/arm/kernel/head-common.S
@@ -13,6 +13,7 @@
#define ATAG_CORE 0x54410001
#define ATAG_CORE_SIZE ((2*4 + 3*4) >> 2)
+#define ATAG_CORE_SIZE_EMPTY ((2*4) >> 2)
.align 2
.type __switch_data, %object
@@ -251,7 +252,8 @@ __vet_atags:
bne 1f
ldr r5, [r2, #0] @ is first tag ATAG_CORE?
- subs r5, r5, #ATAG_CORE_SIZE
+ cmp r5, #ATAG_CORE_SIZE
+ cmpne r5, #ATAG_CORE_SIZE_EMPTY
bne 1f
ldr r5, [r2, #4]
ldr r6, =ATAG_CORE