aboutsummaryrefslogtreecommitdiff
path: root/arch/arm64/mm
diff options
context:
space:
mode:
authorEric W. Biederman2018-09-22 09:46:39 +0200
committerEric W. Biederman2018-09-27 21:54:02 +0200
commit9ea3a9743cac4fd2e296223ae6a95bf11d7365d0 (patch)
tree60f521c31b02b32d416e657b724db6734f668cdd /arch/arm64/mm
parentf29ad209e428f5bc596de39dd9b8d73db5739920 (diff)
signal/arm64: Consolidate the two hwpoison cases in do_page_fault
These two cases are practically the same and use siginfo differently from the other signals sent from do_page_fault. So consolidate them to make future changes easier. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'arch/arm64/mm')
-rw-r--r--arch/arm64/mm/fault.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 654a861c4bd0..0ddc8c6ba53b 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -577,16 +577,16 @@ retry:
*/
si.si_signo = SIGBUS;
si.si_code = BUS_ADRERR;
- } else if (fault & VM_FAULT_HWPOISON_LARGE) {
- unsigned int hindex = VM_FAULT_GET_HINDEX(fault);
+ } else if (fault & (VM_FAULT_HWPOISON_LARGE | VM_FAULT_HWPOISON)) {
+ unsigned int lsb;
+
+ lsb = PAGE_SHIFT;
+ if (fault & VM_FAULT_HWPOISON_LARGE)
+ lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault));
si.si_signo = SIGBUS;
si.si_code = BUS_MCEERR_AR;
- si.si_addr_lsb = hstate_index_to_shift(hindex);
- } else if (fault & VM_FAULT_HWPOISON) {
- si.si_signo = SIGBUS;
- si.si_code = BUS_MCEERR_AR;
- si.si_addr_lsb = PAGE_SHIFT;
+ si.si_addr_lsb = lsb;
} else {
/*
* Something tried to access memory that isn't in our memory