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authorKumar Gala <galak@kernel.crashing.org>2008-04-24 06:29:36 +1000
committerPaul Mackerras <paulus@samba.org>2008-04-24 20:58:02 +1000
commitf608600e74404c5c8f017af45294074282911ae9 (patch)
tree9d62c005e06960a661ff77f540ca76625fabe827 /arch/powerpc/mm
parent885aa35c9669ce7919d203036a87a7e1a4ebd25f (diff)
[POWERPC] Clean up access to thread_info in assembly
Use (31-THREAD_SHIFT) to get to thread_info from stack pointer. This makes the code a bit easier to read and more robust if we ever change THREAD_SHIFT. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r--arch/powerpc/mm/hash_low_32.S4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S
index e10d76a860d3..ddeaf9e38ad5 100644
--- a/arch/powerpc/mm/hash_low_32.S
+++ b/arch/powerpc/mm/hash_low_32.S
@@ -191,7 +191,7 @@ _GLOBAL(add_hash_page)
add r3,r3,r0 /* note create_hpte trims to 24 bits */
#ifdef CONFIG_SMP
- rlwinm r8,r1,0,0,18 /* use cpu number to make tag */
+ rlwinm r8,r1,0,0,(31-THREAD_SHIFT) /* use cpu number to make tag */
lwz r8,TI_CPU(r8) /* to go in mmu_hash_lock */
oris r8,r8,12
#endif /* CONFIG_SMP */
@@ -526,7 +526,7 @@ _GLOBAL(flush_hash_pages)
#ifdef CONFIG_SMP
addis r9,r7,mmu_hash_lock@ha
addi r9,r9,mmu_hash_lock@l
- rlwinm r8,r1,0,0,18
+ rlwinm r8,r1,0,0,(31-THREAD_SHIFT)
add r8,r8,r7
lwz r8,TI_CPU(r8)
oris r8,r8,9