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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-08-12 18:46:07 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-08-12 18:46:07 +0200
commit0c80bdfc9aa624b4a6c33c30ad11e81bf6407c36 (patch)
treecaea5044f1bd46b56c9894a23c629ef4bf93a5ce /arch/riscv/mm/fault.c
parentbfa54a793ba77ef696755b66f3ac4ed00c7d1248 (diff)
parent7c626ce4bae1ac14f60076d00eafe71af30450ba (diff)
Merge 6.11-rc3 into driver-core-next
We need the driver core fixes in here as well to build on top of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/riscv/mm/fault.c')
-rw-r--r--arch/riscv/mm/fault.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 5224f3733802..a9f2b4af8f3f 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -61,26 +61,27 @@ static inline void no_context(struct pt_regs *regs, unsigned long addr)
static inline void mm_fault_error(struct pt_regs *regs, unsigned long addr, vm_fault_t fault)
{
+ if (!user_mode(regs)) {
+ no_context(regs, addr);
+ return;
+ }
+
if (fault & VM_FAULT_OOM) {
/*
* We ran out of memory, call the OOM killer, and return the userspace
* (which will retry the fault, or kill us if we got oom-killed).
*/
- if (!user_mode(regs)) {
- no_context(regs, addr);
- return;
- }
pagefault_out_of_memory();
return;
} else if (fault & (VM_FAULT_SIGBUS | VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE)) {
/* Kernel mode? Handle exceptions or die */
- if (!user_mode(regs)) {
- no_context(regs, addr);
- return;
- }
do_trap(regs, SIGBUS, BUS_ADRERR, addr);
return;
+ } else if (fault & VM_FAULT_SIGSEGV) {
+ do_trap(regs, SIGSEGV, SEGV_MAPERR, addr);
+ return;
}
+
BUG();
}