From 1e5aa8c86571deea5d8e8462fedcf610e21af717 Mon Sep 17 00:00:00 2001 From: Matt Porter Date: Tue, 21 Jun 2005 17:15:22 -0700 Subject: [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 Signed-off-by: Matt Porter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ppc/kernel/head_4xx.S | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) (limited to 'arch') diff --git a/arch/ppc/kernel/head_4xx.S b/arch/ppc/kernel/head_4xx.S index 6f5d380e234..23fb51819ba 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 -- cgit v1.2.3