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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/vsx: Fix VSX alignment handler for regs 32-63
  powerpc/ps3: Move ps3_mm_add_memory to device_initcall
  powerpc/mm: Fix numa reserve bootmem page selection
  powerpc/mm: Fix _PAGE_CHG_MASK to protect _PAGE_SPECIAL
This commit is contained in:
Linus Torvalds 2009-02-17 14:23:49 -08:00
parent c951aa62d5 26456dcfb8
commit b30b774930
6 changed files with 14 additions and 7 deletions
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2
arch/powerpc/include/asm/pgtable-4k.h
View File

@ -60,7 +60,7 @@
/* It should be preserving the high 48 bits and then specifically */
/* preserving _PAGE_SECONDARY | _PAGE_GROUP_IX */
#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \
_PAGE_HPTEFLAGS)
_PAGE_HPTEFLAGS | _PAGE_SPECIAL)
/* Bits to mask out from a PMD to get to the PTE page */
#define PMD_MASKED_BITS 0

2
arch/powerpc/include/asm/pgtable-64k.h
View File

@ -114,7 +114,7 @@ static inline struct subpage_prot_table *pgd_subpage_prot(pgd_t *pgd)
* pgprot changes
*/
#define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \
_PAGE_ACCESSED)
_PAGE_ACCESSED | _PAGE_SPECIAL)
/* Bits to mask out from a PMD to get to the PTE page */
#define PMD_MASKED_BITS 0x1ff

3
arch/powerpc/include/asm/pgtable-ppc32.h
View File

@ -429,7 +429,8 @@ extern int icache_44x_need_flush;
#define PMD_PAGE_SIZE(pmd) bad_call_to_PMD_PAGE_SIZE()
#endif
#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \
_PAGE_SPECIAL)
#define PAGE_PROT_BITS (_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \

7
arch/powerpc/kernel/align.c
View File

@ -646,11 +646,16 @@ static int emulate_vsx(unsigned char __user *addr, unsigned int reg,
unsigned int areg, struct pt_regs *regs,
unsigned int flags, unsigned int length)
{
char *ptr = (char *) &current->thread.TS_FPR(reg);
char *ptr;
int ret = 0;
flush_vsx_to_thread(current);
if (reg < 32)
ptr = (char *) &current->thread.TS_FPR(reg);
else
ptr = (char *) &current->thread.vr[reg - 32];
if (flags & ST)
ret = __copy_to_user(addr, ptr, length);
else {

5
arch/powerpc/mm/numa.c
View File

@ -19,6 +19,7 @@
#include <linux/notifier.h>
#include <linux/lmb.h>
#include <linux/of.h>
#include <linux/pfn.h>
#include <asm/sparsemem.h>
#include <asm/prom.h>
#include <asm/system.h>
@ -882,7 +883,7 @@ static void mark_reserved_regions_for_nid(int nid)
unsigned long physbase = lmb.reserved.region[i].base;
unsigned long size = lmb.reserved.region[i].size;
unsigned long start_pfn = physbase >> PAGE_SHIFT;
unsigned long end_pfn = ((physbase + size) >> PAGE_SHIFT);
unsigned long end_pfn = PFN_UP(physbase + size);
struct node_active_region node_ar;
unsigned long node_end_pfn = node->node_start_pfn +
node->node_spanned_pages;
@ -908,7 +909,7 @@ static void mark_reserved_regions_for_nid(int nid)
*/
if (end_pfn > node_ar.end_pfn)
reserve_size = (node_ar.end_pfn << PAGE_SHIFT)
- (start_pfn << PAGE_SHIFT);
- physbase;
/*
* Only worry about *this* node, others may not
* yet have valid NODE_DATA().

2
arch/powerpc/platforms/ps3/mm.c
View File

@ -328,7 +328,7 @@ static int __init ps3_mm_add_memory(void)
return result;
}
core_initcall(ps3_mm_add_memory);
device_initcall(ps3_mm_add_memory);
/*============================================================================*/
/* dma routines */