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Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/include/asm/uaccess.h2
-rw-r--r--arch/xtensa/mm/fault.c15
2 files changed, 5 insertions, 12 deletions
diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h
index e57f0d0a88d8..b9758119feca 100644
--- a/arch/xtensa/include/asm/uaccess.h
+++ b/arch/xtensa/include/asm/uaccess.h
@@ -35,7 +35,7 @@
#define get_fs() (current->thread.current_ds)
#define set_fs(val) (current->thread.current_ds = (val))
-#define segment_eq(a, b) ((a).seg == (b).seg)
+#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg)
#define __kernel_ok (uaccess_kernel())
#define __user_ok(addr, size) \
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index c128dcc7c85b..7666408ce12a 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -72,6 +72,9 @@ void do_page_fault(struct pt_regs *regs)
if (user_mode(regs))
flags |= FAULT_FLAG_USER;
+
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
+
retry:
mmap_read_lock(mm);
vma = find_vma(mm, address);
@@ -107,7 +110,7 @@ good_area:
* make sure we exit gracefully rather than endlessly redo
* the fault.
*/
- fault = handle_mm_fault(vma, address, flags);
+ fault = handle_mm_fault(vma, address, flags, regs);
if (fault_signal_pending(fault, regs))
return;
@@ -122,10 +125,6 @@ good_area:
BUG();
}
if (flags & FAULT_FLAG_ALLOW_RETRY) {
- if (fault & VM_FAULT_MAJOR)
- current->maj_flt++;
- else
- current->min_flt++;
if (fault & VM_FAULT_RETRY) {
flags |= FAULT_FLAG_TRIED;
@@ -139,12 +138,6 @@ good_area:
}
mmap_read_unlock(mm);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
- if (flags & VM_FAULT_MAJOR)
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, regs, address);
- else
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, regs, address);
-
return;
/* Something tried to access memory that isn't in our memory map..