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authorIngo Molnar <mingo@elte.hu>2010-08-31 03:45:21 -0400
committerIngo Molnar <mingo@elte.hu>2010-08-31 03:45:46 -0400
commitdaab7fc734a53fdeaf844b7c03053118ad1769da (patch)
tree575deb3cdcc6dda562acaed6f7c29bc81ae01cf2 /arch/microblaze/mm
parent774ea0bcb27f57b6fd521b3b6c43237782fed4b9 (diff)
parent2bfc96a127bc1cc94d26bfaa40159966064f9c8c (diff)
Merge commit 'v2.6.36-rc3' into x86/memblock
Conflicts: arch/x86/kernel/trampoline.c mm/memblock.c Merge reason: Resolve the conflicts, update to latest upstream. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/microblaze/mm')
-rw-r--r--arch/microblaze/mm/fault.c16
-rw-r--r--arch/microblaze/mm/init.c7
2 files changed, 1 insertions, 22 deletions
diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c
index bab922993185..57bd2a09610c 100644
--- a/arch/microblaze/mm/fault.c
+++ b/arch/microblaze/mm/fault.c
@@ -37,10 +37,6 @@
37#include <linux/uaccess.h> 37#include <linux/uaccess.h>
38#include <asm/exceptions.h> 38#include <asm/exceptions.h>
39 39
40#if defined(CONFIG_KGDB)
41int debugger_kernel_faults = 1;
42#endif
43
44static unsigned long pte_misses; /* updated by do_page_fault() */ 40static unsigned long pte_misses; /* updated by do_page_fault() */
45static unsigned long pte_errors; /* updated by do_page_fault() */ 41static unsigned long pte_errors; /* updated by do_page_fault() */
46 42
@@ -81,10 +77,6 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
81 } 77 }
82 78
83 /* kernel has accessed a bad area */ 79 /* kernel has accessed a bad area */
84#if defined(CONFIG_KGDB)
85 if (debugger_kernel_faults)
86 debugger(regs);
87#endif
88 die("kernel access of bad area", regs, sig); 80 die("kernel access of bad area", regs, sig);
89} 81}
90 82
@@ -115,13 +107,6 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
115 if ((error_code & 0x13) == 0x13 || (error_code & 0x11) == 0x11) 107 if ((error_code & 0x13) == 0x13 || (error_code & 0x11) == 0x11)
116 is_write = 0; 108 is_write = 0;
117 109
118#if defined(CONFIG_KGDB)
119 if (debugger_fault_handler && regs->trap == 0x300) {
120 debugger_fault_handler(regs);
121 return;
122 }
123#endif /* CONFIG_KGDB */
124
125 if (unlikely(in_atomic() || !mm)) { 110 if (unlikely(in_atomic() || !mm)) {
126 if (kernel_mode(regs)) 111 if (kernel_mode(regs))
127 goto bad_area_nosemaphore; 112 goto bad_area_nosemaphore;
@@ -226,7 +211,6 @@ good_area:
226 * make sure we exit gracefully rather than endlessly redo 211 * make sure we exit gracefully rather than endlessly redo
227 * the fault. 212 * the fault.
228 */ 213 */
229survive:
230 fault = handle_mm_fault(mm, vma, address, is_write ? FAULT_FLAG_WRITE : 0); 214 fault = handle_mm_fault(mm, vma, address, is_write ? FAULT_FLAG_WRITE : 0);
231 if (unlikely(fault & VM_FAULT_ERROR)) { 215 if (unlikely(fault & VM_FAULT_ERROR)) {
232 if (fault & VM_FAULT_OOM) 216 if (fault & VM_FAULT_OOM)
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 32a702b621c8..840026c5bc56 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -134,13 +134,8 @@ void __init setup_memory(void)
134 * for 4GB of memory, using 4kB pages), plus 1 page 134 * for 4GB of memory, using 4kB pages), plus 1 page
135 * (in case the address isn't page-aligned). 135 * (in case the address isn't page-aligned).
136 */ 136 */
137#ifndef CONFIG_MMU 137 map_size = init_bootmem_node(NODE_DATA(0),
138 map_size = init_bootmem_node(NODE_DATA(0), PFN_UP(TOPHYS((u32)klimit)),
139 min_low_pfn, max_low_pfn);
140#else
141 map_size = init_bootmem_node(&contig_page_data,
142 PFN_UP(TOPHYS((u32)klimit)), min_low_pfn, max_low_pfn); 138 PFN_UP(TOPHYS((u32)klimit)), min_low_pfn, max_low_pfn);
143#endif
144 memblock_reserve(PFN_UP(TOPHYS((u32)klimit)) << PAGE_SHIFT, map_size); 139 memblock_reserve(PFN_UP(TOPHYS((u32)klimit)) << PAGE_SHIFT, map_size);
145 140
146 /* free bootmem is whole main memory */ 141 /* free bootmem is whole main memory */