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| author | Grant Likely <grant.likely@secretlab.ca> | 2010-05-25 00:38:26 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-05-25 00:38:26 -0600 |
| commit | b1e50ebcf24668e57f058deb48b0704b5391ed0f (patch) | |
| tree | 17e1b69b249d0738317b732186340c9dd053f1a1 /arch/powerpc/mm/pgtable_32.c | |
| parent | 0c2a2ae32793e3500a15a449612485f5d17dd431 (diff) | |
| parent | 7e125f7b9cbfce4101191b8076d606c517a73066 (diff) | |
| download | talos-op-linux-b1e50ebcf24668e57f058deb48b0704b5391ed0f.tar.gz talos-op-linux-b1e50ebcf24668e57f058deb48b0704b5391ed0f.zip | |
Merge remote branch 'origin' into secretlab/next-spi
Diffstat (limited to 'arch/powerpc/mm/pgtable_32.c')
| -rw-r--r-- | arch/powerpc/mm/pgtable_32.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index b9243e7557ae..9fc02dc72ce9 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -146,6 +146,14 @@ ioremap_flags(phys_addr_t addr, unsigned long size, unsigned long flags) /* we don't want to let _PAGE_USER and _PAGE_EXEC leak out */ flags &= ~(_PAGE_USER | _PAGE_EXEC); +#ifdef _PAGE_BAP_SR + /* _PAGE_USER contains _PAGE_BAP_SR on BookE using the new PTE format + * which means that we just cleared supervisor access... oops ;-) This + * restores it + */ + flags |= _PAGE_BAP_SR; +#endif + return __ioremap_caller(addr, size, flags, __builtin_return_address(0)); } EXPORT_SYMBOL(ioremap_flags); @@ -385,11 +393,7 @@ static int __change_page_attr(struct page *page, pgprot_t prot) return -EINVAL; __set_pte_at(&init_mm, address, kpte, mk_pte(page, prot), 0); wmb(); -#ifdef CONFIG_PPC_STD_MMU - flush_hash_pages(0, address, pmd_val(*kpmd), 1); -#else flush_tlb_page(NULL, address); -#endif pte_unmap(kpte); return 0; |
