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authorGreg Kroah-Hartman <gregkh@suse.de>2011-02-24 11:36:31 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2011-02-24 11:36:31 -0800
commitf227e08b71b9c273eaa29a57370a3a5b833aa382 (patch)
tree9f1483776a2bde3bb1a6bd744e69acf19f6f3428 /arch/x86/mm/pageattr.c
parentfec38d1752c01ad72789bac9f1a128f7e933735d (diff)
parentf5412be599602124d2bdd49947b231dd77c0bf99 (diff)
Merge 2.6.38-rc6 into tty-next
This was to resolve a merge issue with drivers/char/Makefile and drivers/tty/serial/68328serial.c Signed-off-by: Greg Kroah-Hartman <gregkh@suse.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;
}