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authorLinus Torvalds <torvalds@linux-foundation.org>2009-02-17 17:23:49 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-02-17 17:23:49 -0500
commitb30b77493039b7b95b4d569a66af425b02651edd (patch)
tree6ab1e58c7c847c817c5b00fc4329b4f4c60cc08a /arch
parentc951aa62d59210636cc63a569bcf3331be7f5b15 (diff)
parent26456dcfb8d8e43b1b64b2a14710694cf7a72f05 (diff)
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
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/pgtable-4k.h2
-rw-r--r--arch/powerpc/include/asm/pgtable-64k.h2
-rw-r--r--arch/powerpc/include/asm/pgtable-ppc32.h3
-rw-r--r--arch/powerpc/kernel/align.c7
-rw-r--r--arch/powerpc/mm/numa.c5
-rw-r--r--arch/powerpc/platforms/ps3/mm.c2
6 files changed, 14 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/pgtable-4k.h b/arch/powerpc/include/asm/pgtable-4k.h
index 6b18ba9d2d85..1dbca4e7de67 100644
--- a/arch/powerpc/include/asm/pgtable-4k.h
+++ b/arch/powerpc/include/asm/pgtable-4k.h
@@ -60,7 +60,7 @@
60/* It should be preserving the high 48 bits and then specifically */ 60/* It should be preserving the high 48 bits and then specifically */
61/* preserving _PAGE_SECONDARY | _PAGE_GROUP_IX */ 61/* preserving _PAGE_SECONDARY | _PAGE_GROUP_IX */
62#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \ 62#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \
63 _PAGE_HPTEFLAGS) 63 _PAGE_HPTEFLAGS | _PAGE_SPECIAL)
64 64
65/* Bits to mask out from a PMD to get to the PTE page */ 65/* Bits to mask out from a PMD to get to the PTE page */
66#define PMD_MASKED_BITS 0 66#define PMD_MASKED_BITS 0
diff --git a/arch/powerpc/include/asm/pgtable-64k.h b/arch/powerpc/include/asm/pgtable-64k.h
index 07b0d8f09cb6..7389003349a6 100644
--- a/arch/powerpc/include/asm/pgtable-64k.h
+++ b/arch/powerpc/include/asm/pgtable-64k.h
@@ -114,7 +114,7 @@ static inline struct subpage_prot_table *pgd_subpage_prot(pgd_t *pgd)
114 * pgprot changes 114 * pgprot changes
115 */ 115 */
116#define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \ 116#define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \
117 _PAGE_ACCESSED) 117 _PAGE_ACCESSED | _PAGE_SPECIAL)
118 118
119/* Bits to mask out from a PMD to get to the PTE page */ 119/* Bits to mask out from a PMD to get to the PTE page */
120#define PMD_MASKED_BITS 0x1ff 120#define PMD_MASKED_BITS 0x1ff
diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h
index f69a4d977729..820b5f0a35ce 100644
--- a/arch/powerpc/include/asm/pgtable-ppc32.h
+++ b/arch/powerpc/include/asm/pgtable-ppc32.h
@@ -429,7 +429,8 @@ extern int icache_44x_need_flush;
429#define PMD_PAGE_SIZE(pmd) bad_call_to_PMD_PAGE_SIZE() 429#define PMD_PAGE_SIZE(pmd) bad_call_to_PMD_PAGE_SIZE()
430#endif 430#endif
431 431
432#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY) 432#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \
433 _PAGE_SPECIAL)
433 434
434 435
435#define PAGE_PROT_BITS (_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \ 436#define PAGE_PROT_BITS (_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c
index 5af4e9b2dbe2..ada06924a423 100644
--- a/arch/powerpc/kernel/align.c
+++ b/arch/powerpc/kernel/align.c
@@ -646,11 +646,16 @@ static int emulate_vsx(unsigned char __user *addr, unsigned int reg,
646 unsigned int areg, struct pt_regs *regs, 646 unsigned int areg, struct pt_regs *regs,
647 unsigned int flags, unsigned int length) 647 unsigned int flags, unsigned int length)
648{ 648{
649 char *ptr = (char *) &current->thread.TS_FPR(reg); 649 char *ptr;
650 int ret = 0; 650 int ret = 0;
651 651
652 flush_vsx_to_thread(current); 652 flush_vsx_to_thread(current);
653 653
654 if (reg < 32)
655 ptr = (char *) &current->thread.TS_FPR(reg);
656 else
657 ptr = (char *) &current->thread.vr[reg - 32];
658
654 if (flags & ST) 659 if (flags & ST)
655 ret = __copy_to_user(addr, ptr, length); 660 ret = __copy_to_user(addr, ptr, length);
656 else { 661 else {
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 7393bd76d698..5ac08b8ab654 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -19,6 +19,7 @@
19#include <linux/notifier.h> 19#include <linux/notifier.h>
20#include <linux/lmb.h> 20#include <linux/lmb.h>
21#include <linux/of.h> 21#include <linux/of.h>
22#include <linux/pfn.h>
22#include <asm/sparsemem.h> 23#include <asm/sparsemem.h>
23#include <asm/prom.h> 24#include <asm/prom.h>
24#include <asm/system.h> 25#include <asm/system.h>
@@ -882,7 +883,7 @@ static void mark_reserved_regions_for_nid(int nid)
882 unsigned long physbase = lmb.reserved.region[i].base; 883 unsigned long physbase = lmb.reserved.region[i].base;
883 unsigned long size = lmb.reserved.region[i].size; 884 unsigned long size = lmb.reserved.region[i].size;
884 unsigned long start_pfn = physbase >> PAGE_SHIFT; 885 unsigned long start_pfn = physbase >> PAGE_SHIFT;
885 unsigned long end_pfn = ((physbase + size) >> PAGE_SHIFT); 886 unsigned long end_pfn = PFN_UP(physbase + size);
886 struct node_active_region node_ar; 887 struct node_active_region node_ar;
887 unsigned long node_end_pfn = node->node_start_pfn + 888 unsigned long node_end_pfn = node->node_start_pfn +
888 node->node_spanned_pages; 889 node->node_spanned_pages;
@@ -908,7 +909,7 @@ static void mark_reserved_regions_for_nid(int nid)
908 */ 909 */
909 if (end_pfn > node_ar.end_pfn) 910 if (end_pfn > node_ar.end_pfn)
910 reserve_size = (node_ar.end_pfn << PAGE_SHIFT) 911 reserve_size = (node_ar.end_pfn << PAGE_SHIFT)
911 - (start_pfn << PAGE_SHIFT); 912 - physbase;
912 /* 913 /*
913 * Only worry about *this* node, others may not 914 * Only worry about *this* node, others may not
914 * yet have valid NODE_DATA(). 915 * yet have valid NODE_DATA().
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index 67de6bf3db3d..d281cc0bca71 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -328,7 +328,7 @@ static int __init ps3_mm_add_memory(void)
328 return result; 328 return result;
329} 329}
330 330
331core_initcall(ps3_mm_add_memory); 331device_initcall(ps3_mm_add_memory);
332 332
333/*============================================================================*/ 333/*============================================================================*/
334/* dma routines */ 334/* dma routines */