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authorIngo Molnar <mingo@kernel.org>2014-05-22 04:28:56 -0400
committerIngo Molnar <mingo@kernel.org>2014-05-22 04:28:56 -0400
commit65c2ce70046c779974af8b5dfc25a0df489089b5 (patch)
treeb16f152eb62b71cf5a1edc51da865b357c989922 /arch/ia64
parent842514849a616e9b61acad65771c7afe01e651f9 (diff)
parent4b660a7f5c8099d88d1a43d8ae138965112592c7 (diff)
Merge tag 'v3.15-rc6' into sched/core, to pick up the latest fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/include/asm/tlb.h42
-rw-r--r--arch/ia64/include/asm/unistd.h2
-rw-r--r--arch/ia64/include/uapi/asm/unistd.h1
-rw-r--r--arch/ia64/kernel/entry.S1
4 files changed, 35 insertions, 11 deletions
diff --git a/arch/ia64/include/asm/tlb.h b/arch/ia64/include/asm/tlb.h
index bc5efc7c3f3f..39d64e0df1de 100644
--- a/arch/ia64/include/asm/tlb.h
+++ b/arch/ia64/include/asm/tlb.h
@@ -91,18 +91,9 @@ extern struct ia64_tr_entry *ia64_idtrs[NR_CPUS];
91#define RR_RID_MASK 0x00000000ffffff00L 91#define RR_RID_MASK 0x00000000ffffff00L
92#define RR_TO_RID(val) ((val >> 8) & 0xffffff) 92#define RR_TO_RID(val) ((val >> 8) & 0xffffff)
93 93
94/*
95 * Flush the TLB for address range START to END and, if not in fast mode, release the
96 * freed pages that where gathered up to this point.
97 */
98static inline void 94static inline void
99ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long end) 95ia64_tlb_flush_mmu_tlbonly(struct mmu_gather *tlb, unsigned long start, unsigned long end)
100{ 96{
101 unsigned long i;
102 unsigned int nr;
103
104 if (!tlb->need_flush)
105 return;
106 tlb->need_flush = 0; 97 tlb->need_flush = 0;
107 98
108 if (tlb->fullmm) { 99 if (tlb->fullmm) {
@@ -135,6 +126,14 @@ ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long e
135 flush_tlb_range(&vma, ia64_thash(start), ia64_thash(end)); 126 flush_tlb_range(&vma, ia64_thash(start), ia64_thash(end));
136 } 127 }
137 128
129}
130
131static inline void
132ia64_tlb_flush_mmu_free(struct mmu_gather *tlb)
133{
134 unsigned long i;
135 unsigned int nr;
136
138 /* lastly, release the freed pages */ 137 /* lastly, release the freed pages */
139 nr = tlb->nr; 138 nr = tlb->nr;
140 139
@@ -144,6 +143,19 @@ ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long e
144 free_page_and_swap_cache(tlb->pages[i]); 143 free_page_and_swap_cache(tlb->pages[i]);
145} 144}
146 145
146/*
147 * Flush the TLB for address range START to END and, if not in fast mode, release the
148 * freed pages that where gathered up to this point.
149 */
150static inline void
151ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long end)
152{
153 if (!tlb->need_flush)
154 return;
155 ia64_tlb_flush_mmu_tlbonly(tlb, start, end);
156 ia64_tlb_flush_mmu_free(tlb);
157}
158
147static inline void __tlb_alloc_page(struct mmu_gather *tlb) 159static inline void __tlb_alloc_page(struct mmu_gather *tlb)
148{ 160{
149 unsigned long addr = __get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0); 161 unsigned long addr = __get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);
@@ -206,6 +218,16 @@ static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page)
206 return tlb->max - tlb->nr; 218 return tlb->max - tlb->nr;
207} 219}
208 220
221static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
222{
223 ia64_tlb_flush_mmu_tlbonly(tlb, tlb->start_addr, tlb->end_addr);
224}
225
226static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
227{
228 ia64_tlb_flush_mmu_free(tlb);
229}
230
209static inline void tlb_flush_mmu(struct mmu_gather *tlb) 231static inline void tlb_flush_mmu(struct mmu_gather *tlb)
210{ 232{
211 ia64_tlb_flush_mmu(tlb, tlb->start_addr, tlb->end_addr); 233 ia64_tlb_flush_mmu(tlb, tlb->start_addr, tlb->end_addr);
diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index ae763d8bf55a..fb13dc5e8f8c 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -11,7 +11,7 @@
11 11
12 12
13 13
14#define NR_syscalls 314 /* length of syscall table */ 14#define NR_syscalls 315 /* length of syscall table */
15 15
16/* 16/*
17 * The following defines stop scripts/checksyscalls.sh from complaining about 17 * The following defines stop scripts/checksyscalls.sh from complaining about
diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h
index 715e85f858de..7de0a2d65da4 100644
--- a/arch/ia64/include/uapi/asm/unistd.h
+++ b/arch/ia64/include/uapi/asm/unistd.h
@@ -327,5 +327,6 @@
327#define __NR_finit_module 1335 327#define __NR_finit_module 1335
328#define __NR_sched_setattr 1336 328#define __NR_sched_setattr 1336
329#define __NR_sched_getattr 1337 329#define __NR_sched_getattr 1337
330#define __NR_renameat2 1338
330 331
331#endif /* _UAPI_ASM_IA64_UNISTD_H */ 332#endif /* _UAPI_ASM_IA64_UNISTD_H */
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index fa8d61a312a7..ba3d03503e84 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1775,6 +1775,7 @@ sys_call_table:
1775 data8 sys_finit_module // 1335 1775 data8 sys_finit_module // 1335
1776 data8 sys_sched_setattr 1776 data8 sys_sched_setattr
1777 data8 sys_sched_getattr 1777 data8 sys_sched_getattr
1778 data8 sys_renameat2
1778 1779
1779 .org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls 1780 .org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
1780#endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */ 1781#endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */