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| author | Kumar Gala <galak@kernel.crashing.org> | 2008-04-24 06:29:36 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-04-24 20:58:02 +1000 |
| commit | f608600e74404c5c8f017af45294074282911ae9 (patch) | |
| tree | 9d62c005e06960a661ff77f540ca76625fabe827 /arch/powerpc | |
| parent | 885aa35c9669ce7919d203036a87a7e1a4ebd25f (diff) | |
| download | linux-f608600e74404c5c8f017af45294074282911ae9.tar.gz linux-f608600e74404c5c8f017af45294074282911ae9.tar.bz2 linux-f608600e74404c5c8f017af45294074282911ae9.zip | |
[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')
| -rw-r--r-- | arch/powerpc/kernel/misc_32.S | 6 | ||||
| -rw-r--r-- | arch/powerpc/mm/hash_low_32.S | 4 |
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 9d2c56621f1e..92ccc6fcc5b0 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -152,7 +152,7 @@ _GLOBAL(low_choose_750fx_pll) mtspr SPRN_HID1,r4 /* Store new HID1 image */ - rlwinm r6,r1,0,0,18 + rlwinm r6,r1,0,0,(31-THREAD_SHIFT) lwz r6,TI_CPU(r6) slwi r6,r6,2 addis r6,r6,nap_save_hid1@ha @@ -281,7 +281,7 @@ _GLOBAL(_tlbia) #endif /* CONFIG_SMP */ #else /* !(CONFIG_40x || CONFIG_44x || CONFIG_FSL_BOOKE) */ #if defined(CONFIG_SMP) - rlwinm r8,r1,0,0,18 + rlwinm r8,r1,0,0,(31-THREAD_SHIFT) lwz r8,TI_CPU(r8) oris r8,r8,10 mfmsr r10 @@ -377,7 +377,7 @@ _GLOBAL(_tlbie) #endif /* CONFIG_SMP */ #else /* !(CONFIG_40x || CONFIG_44x || CONFIG_FSL_BOOKE) */ #if defined(CONFIG_SMP) - rlwinm r8,r1,0,0,18 + rlwinm r8,r1,0,0,(31-THREAD_SHIFT) lwz r8,TI_CPU(r8) oris r8,r8,11 mfmsr r10 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 |