diff options
| author | Matt Porter <mporter@kernel.crashing.org> | 2005-05-20 16:59:14 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-20 18:48:19 -0400 |
| commit | b2665f92ae67a2d086537979d317a6f3a5697c63 (patch) | |
| tree | 96b1c3edd37aadb0ba23758f6455866b047937d6 /arch/ppc/kernel | |
| parent | 7f8cd80fb261177244c1479cfcad1387dbf3cd4b (diff) | |
[PATCH] ppc32: fix CONFIG_TASK_SIZE handling on 44x
This patch fixed CONFIG_TASK_SIZE handling on 44x. Currently head_44x.S
hardcodes 0x80000000, which breaks if user chooses to change TASK_SIZE
(e.g. for 3G user-space). Tested on Ocotea in 3G/1G configuration.
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/kernel')
| -rw-r--r-- | arch/ppc/kernel/head_44x.S | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/ppc/kernel/head_44x.S b/arch/ppc/kernel/head_44x.S index 9b6a8e513657..6c7ae6052464 100644 --- a/arch/ppc/kernel/head_44x.S +++ b/arch/ppc/kernel/head_44x.S | |||
| @@ -330,8 +330,9 @@ interrupt_base: | |||
| 330 | /* If we are faulting a kernel address, we have to use the | 330 | /* If we are faulting a kernel address, we have to use the |
| 331 | * kernel page tables. | 331 | * kernel page tables. |
| 332 | */ | 332 | */ |
| 333 | andis. r11, r10, 0x8000 | 333 | lis r11, TASK_SIZE@h |
| 334 | beq 3f | 334 | cmplw r10, r11 |
| 335 | blt+ 3f | ||
| 335 | lis r11, swapper_pg_dir@h | 336 | lis r11, swapper_pg_dir@h |
| 336 | ori r11, r11, swapper_pg_dir@l | 337 | ori r11, r11, swapper_pg_dir@l |
| 337 | 338 | ||
| @@ -464,8 +465,9 @@ interrupt_base: | |||
| 464 | /* If we are faulting a kernel address, we have to use the | 465 | /* If we are faulting a kernel address, we have to use the |
| 465 | * kernel page tables. | 466 | * kernel page tables. |
| 466 | */ | 467 | */ |
| 467 | andis. r11, r10, 0x8000 | 468 | lis r11, TASK_SIZE@h |
| 468 | beq 3f | 469 | cmplw r10, r11 |
| 470 | blt+ 3f | ||
| 469 | lis r11, swapper_pg_dir@h | 471 | lis r11, swapper_pg_dir@h |
| 470 | ori r11, r11, swapper_pg_dir@l | 472 | ori r11, r11, swapper_pg_dir@l |
| 471 | 473 | ||
| @@ -533,8 +535,9 @@ interrupt_base: | |||
| 533 | /* If we are faulting a kernel address, we have to use the | 535 | /* If we are faulting a kernel address, we have to use the |
| 534 | * kernel page tables. | 536 | * kernel page tables. |
| 535 | */ | 537 | */ |
| 536 | andis. r11, r10, 0x8000 | 538 | lis r11, TASK_SIZE@h |
| 537 | beq 3f | 539 | cmplw r10, r11 |
| 540 | blt+ 3f | ||
| 538 | lis r11, swapper_pg_dir@h | 541 | lis r11, swapper_pg_dir@h |
| 539 | ori r11, r11, swapper_pg_dir@l | 542 | ori r11, r11, swapper_pg_dir@l |
| 540 | 543 | ||