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| author | Matt Porter <mporter@kernel.crashing.org> | 2005-06-21 17:15:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-21 18:46:24 -0700 |
| commit | 1e5aa8c86571deea5d8e8462fedcf610e21af717 (patch) | |
| tree | 779a4c57020d92659afa583abec0283db0a0fec4 /arch/ppc | |
| parent | a1604f9121ee97b27d5ce308ddd4b70c3a220279 (diff) | |
| download | linux-1e5aa8c86571deea5d8e8462fedcf610e21af717.tar.gz linux-1e5aa8c86571deea5d8e8462fedcf610e21af717.tar.bz2 linux-1e5aa8c86571deea5d8e8462fedcf610e21af717.zip | |
[PATCH] ppc32: fix CONFIG_TASK_SIZE handling on 40x
This patch is virtually identical to my previous 44x one. It removes
0x8000'0000 TASK_SIZE hardcoded assumption from head_4xx.S.
Signed-off-by: Eugene Surovegin <ebs@ebshome.net>
Signed-off-by: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/ppc')
| -rw-r--r-- | arch/ppc/kernel/head_4xx.S | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/ppc/kernel/head_4xx.S b/arch/ppc/kernel/head_4xx.S index 6f5d380e2345..23fb51819ba5 100644 --- a/arch/ppc/kernel/head_4xx.S +++ b/arch/ppc/kernel/head_4xx.S @@ -291,8 +291,9 @@ label: /* If we are faulting a kernel address, we have to use the * kernel page tables. */ - andis. r11, r10, 0x8000 - beq 3f + lis r11, TASK_SIZE@h + cmplw r10, r11 + blt+ 3f lis r11, swapper_pg_dir@h ori r11, r11, swapper_pg_dir@l li r9, 0 @@ -479,8 +480,9 @@ label: /* If we are faulting a kernel address, we have to use the * kernel page tables. */ - andis. r11, r10, 0x8000 - beq 3f + lis r11, TASK_SIZE@h + cmplw r10, r11 + blt+ 3f lis r11, swapper_pg_dir@h ori r11, r11, swapper_pg_dir@l li r9, 0 @@ -578,8 +580,9 @@ label: /* If we are faulting a kernel address, we have to use the * kernel page tables. */ - andis. r11, r10, 0x8000 - beq 3f + lis r11, TASK_SIZE@h + cmplw r10, r11 + blt+ 3f lis r11, swapper_pg_dir@h ori r11, r11, swapper_pg_dir@l li r9, 0 |