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authorThomas Gleixner <tglx@linutronix.de>2011-02-23 09:21:41 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-02-23 09:21:41 +0100
commit7acdbb3f35f4d08c0c4f7cfa306bc7006b6ba902 (patch)
treec76aeb5996fa8f39b838e9cc41f40f854db01912 /arch/x86/mm/pageattr.c
parent695884fb8acd9857e0e7120ccb2150e30f4b8fef (diff)
parentf5412be599602124d2bdd49947b231dd77c0bf99 (diff)
Merge branch 'linus' into x86/platform
Reason: Import mainline device tree changes on which further patches depend on or conflict. Trivial conflict in: drivers/spi/pxa2xx_spi_pci.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/mm/pageattr.c')
-rw-r--r--arch/x86/mm/pageattr.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 8b830ca14ac4..d343b3c81f3c 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -256,7 +256,6 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
unsigned long pfn)
{
pgprot_t forbidden = __pgprot(0);
- pgprot_t required = __pgprot(0);
/*
* The BIOS area between 640k and 1Mb needs to be executable for
@@ -282,12 +281,6 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
if (within(pfn, __pa((unsigned long)__start_rodata) >> PAGE_SHIFT,
__pa((unsigned long)__end_rodata) >> PAGE_SHIFT))
pgprot_val(forbidden) |= _PAGE_RW;
- /*
- * .data and .bss should always be writable.
- */
- if (within(address, (unsigned long)_sdata, (unsigned long)_edata) ||
- within(address, (unsigned long)__bss_start, (unsigned long)__bss_stop))
- pgprot_val(required) |= _PAGE_RW;
#if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA)
/*
@@ -327,7 +320,6 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
#endif
prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden));
- prot = __pgprot(pgprot_val(prot) | pgprot_val(required));
return prot;
}