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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-07 02:18:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-07 02:18:14 +0000
commit3a4516e9d4e52a1e1c49f9c269b6e702ef586047 (patch)
tree0e12fabd3a7d77e4d0bb956b670df8a1062abf7e /arch/loongarch
parentReleasing progress-linux version 6.1.85-1progress7u1. (diff)
downloadlinux-3a4516e9d4e52a1e1c49f9c269b6e702ef586047.tar.xz
linux-3a4516e9d4e52a1e1c49f9c269b6e702ef586047.zip
Merging upstream version 6.1.90.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/loongarch')
-rw-r--r--arch/loongarch/include/asm/perf_event.h8
-rw-r--r--arch/loongarch/mm/fault.c4
2 files changed, 10 insertions, 2 deletions
diff --git a/arch/loongarch/include/asm/perf_event.h b/arch/loongarch/include/asm/perf_event.h
index 2a35a0bc2..52b638059 100644
--- a/arch/loongarch/include/asm/perf_event.h
+++ b/arch/loongarch/include/asm/perf_event.h
@@ -7,6 +7,14 @@
#ifndef __LOONGARCH_PERF_EVENT_H__
#define __LOONGARCH_PERF_EVENT_H__
+#include <asm/ptrace.h>
+
#define perf_arch_bpf_user_pt_regs(regs) (struct user_pt_regs *)regs
+#define perf_arch_fetch_caller_regs(regs, __ip) { \
+ (regs)->csr_era = (__ip); \
+ (regs)->regs[3] = current_stack_pointer; \
+ (regs)->regs[22] = (unsigned long) __builtin_frame_address(0); \
+}
+
#endif /* __LOONGARCH_PERF_EVENT_H__ */
diff --git a/arch/loongarch/mm/fault.c b/arch/loongarch/mm/fault.c
index b829ab911..007718d51 100644
--- a/arch/loongarch/mm/fault.c
+++ b/arch/loongarch/mm/fault.c
@@ -193,10 +193,10 @@ good_area:
if (!(vma->vm_flags & VM_WRITE))
goto bad_area;
} else {
- if (!(vma->vm_flags & VM_READ) && address != exception_era(regs))
- goto bad_area;
if (!(vma->vm_flags & VM_EXEC) && address == exception_era(regs))
goto bad_area;
+ if (!(vma->vm_flags & (VM_READ | VM_WRITE)) && address != exception_era(regs))
+ goto bad_area;
}
/*