diff options
| author | Kumar Gala <galak@kernel.crashing.org> | 2007-12-06 13:11:04 -0600 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2007-12-06 13:11:04 -0600 |
| commit | bee86f14d51a5a9a3b1897e301da1e415df0ba23 (patch) | |
| tree | 28aaf0db44a4d6f2c8f3f7162200a05d590f4e98 | |
| parent | 7e1fb765c613298d861f80fa18af26df87a4ec19 (diff) | |
| download | talos-obmc-linux-bee86f14d51a5a9a3b1897e301da1e415df0ba23.tar.gz talos-obmc-linux-bee86f14d51a5a9a3b1897e301da1e415df0ba23.zip | |
[POWERPC] Fix swapper_pg_dir size when CONFIG_PTE_64BIT=y on FSL_BOOKE
The size of swapper_pg_dir is 8k instead of 4k when using 64-bit PTEs
(CONFIG_PTE_64BIT).
This was reported by Cedric Hombourger <chombourger@gmail.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/kernel/asm-offsets.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_32.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_40x.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_44x.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_fsl_booke.S | 2 | ||||
| -rw-r--r-- | include/asm-powerpc/pgtable-ppc32.h | 5 |
6 files changed, 10 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index d67bcd84f329..ed083feaf6f9 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -326,8 +326,7 @@ int main(void) DEFINE(VMALLOC_START_VSID, KERNEL_VSID(VMALLOC_START)); #endif -#ifdef CONFIG_PPC64 DEFINE(PGD_TABLE_SIZE, PGD_TABLE_SIZE); -#endif + return 0; } diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index a5b13ae7fd20..0f4fac512020 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -1311,7 +1311,7 @@ empty_zero_page: .globl swapper_pg_dir swapper_pg_dir: - .space 4096 + .space PGD_TABLE_SIZE .globl intercept_table intercept_table: diff --git a/arch/powerpc/kernel/head_40x.S b/arch/powerpc/kernel/head_40x.S index cfefc2df8f2a..8552e67e3a8b 100644 --- a/arch/powerpc/kernel/head_40x.S +++ b/arch/powerpc/kernel/head_40x.S @@ -994,7 +994,7 @@ empty_zero_page: .space 4096 .globl swapper_pg_dir swapper_pg_dir: - .space 4096 + .space PGD_TABLE_SIZE /* Stack for handling critical exceptions from kernel mode */ diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index 409db6123924..56aba84c1f6e 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S @@ -722,7 +722,7 @@ empty_zero_page: */ .globl swapper_pg_dir swapper_pg_dir: - .space 8192 + .space PGD_TABLE_SIZE /* Reserved 4k for the critical exception stack & 4k for the machine * check stack per CPU for kernel mode exceptions */ diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 4b9822728aea..7aecb39a5a45 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -1035,7 +1035,7 @@ empty_zero_page: .space 4096 .globl swapper_pg_dir swapper_pg_dir: - .space 4096 + .space PGD_TABLE_SIZE /* Reserved 4k for the critical exception stack & 4k for the machine * check stack per CPU for kernel mode exceptions */ diff --git a/include/asm-powerpc/pgtable-ppc32.h b/include/asm-powerpc/pgtable-ppc32.h index fea2d8ff1e73..d1332bbcbd9b 100644 --- a/include/asm-powerpc/pgtable-ppc32.h +++ b/include/asm-powerpc/pgtable-ppc32.h @@ -86,6 +86,11 @@ extern int icache_44x_need_flush; * entries per page directory level: our page-table tree is two-level, so * we don't really have any PMD directory. */ +#ifndef __ASSEMBLY__ +#define PTE_TABLE_SIZE (sizeof(pte_t) << PTE_SHIFT) +#define PGD_TABLE_SIZE (sizeof(pgd_t) << (32 - PGDIR_SHIFT)) +#endif /* __ASSEMBLY__ */ + #define PTRS_PER_PTE (1 << PTE_SHIFT) #define PTRS_PER_PMD 1 #define PTRS_PER_PGD (1 << (32 - PGDIR_SHIFT)) |
