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authorMatt Porter <mporter@kernel.crashing.org>2005-06-21 20:15:22 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-21 21:46:24 -0400
commit1e5aa8c86571deea5d8e8462fedcf610e21af717 (patch)
tree779a4c57020d92659afa583abec0283db0a0fec4
parenta1604f9121ee97b27d5ce308ddd4b70c3a220279 (diff)
[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>
-rw-r--r--arch/ppc/kernel/head_4xx.S15
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:
291 /* If we are faulting a kernel address, we have to use the 291 /* If we are faulting a kernel address, we have to use the
292 * kernel page tables. 292 * kernel page tables.
293 */ 293 */
294 andis. r11, r10, 0x8000 294 lis r11, TASK_SIZE@h
295 beq 3f 295 cmplw r10, r11
296 blt+ 3f
296 lis r11, swapper_pg_dir@h 297 lis r11, swapper_pg_dir@h
297 ori r11, r11, swapper_pg_dir@l 298 ori r11, r11, swapper_pg_dir@l
298 li r9, 0 299 li r9, 0
@@ -479,8 +480,9 @@ label:
479 /* If we are faulting a kernel address, we have to use the 480 /* If we are faulting a kernel address, we have to use the
480 * kernel page tables. 481 * kernel page tables.
481 */ 482 */
482 andis. r11, r10, 0x8000 483 lis r11, TASK_SIZE@h
483 beq 3f 484 cmplw r10, r11
485 blt+ 3f
484 lis r11, swapper_pg_dir@h 486 lis r11, swapper_pg_dir@h
485 ori r11, r11, swapper_pg_dir@l 487 ori r11, r11, swapper_pg_dir@l
486 li r9, 0 488 li r9, 0
@@ -578,8 +580,9 @@ label:
578 /* If we are faulting a kernel address, we have to use the 580 /* If we are faulting a kernel address, we have to use the
579 * kernel page tables. 581 * kernel page tables.
580 */ 582 */
581 andis. r11, r10, 0x8000 583 lis r11, TASK_SIZE@h
582 beq 3f 584 cmplw r10, r11
585 blt+ 3f
583 lis r11, swapper_pg_dir@h 586 lis r11, swapper_pg_dir@h
584 ori r11, r11, swapper_pg_dir@l 587 ori r11, r11, swapper_pg_dir@l
585 li r9, 0 588 li r9, 0