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authorAnshuman Khandual <anshuman.khandual@arm.com>2018-09-22 21:09:53 +0530
committerCatalin Marinas <catalin.marinas@arm.com>2018-10-01 13:47:31 +0100
commitdbfe3828a6f36be904427ed7f196744cb02d3072 (patch)
tree86599cff6a639d72ec404e03ce565be7f4abdc93 /arch/arm64/mm
parent00bbd5d9016d49fa8dddef020a06b94fedca9148 (diff)
downloadblackbird-obmc-linux-dbfe3828a6f36be904427ed7f196744cb02d3072.tar.gz
blackbird-obmc-linux-dbfe3828a6f36be904427ed7f196744cb02d3072.zip
arm64/mm: Reorganize arguments for is_el1_permission_fault()
Most memory abort exception handling related functions have the arguments in the order (addr, esr, regs) except is_el1_permission_fault(). This changes the argument order in this function as (addr, esr, regs) like others. Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/mm')
-rw-r--r--arch/arm64/mm/fault.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 6d9acd910104..0e0ea5fe6ab3 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -235,9 +235,8 @@ static bool is_el1_instruction_abort(unsigned int esr)
return ESR_ELx_EC(esr) == ESR_ELx_EC_IABT_CUR;
}
-static inline bool is_el1_permission_fault(unsigned int esr,
- struct pt_regs *regs,
- unsigned long addr)
+static inline bool is_el1_permission_fault(unsigned long addr, unsigned int esr,
+ struct pt_regs *regs)
{
unsigned int ec = ESR_ELx_EC(esr);
unsigned int fsc_type = esr & ESR_ELx_FSC_TYPE;
@@ -283,7 +282,7 @@ static void __do_kernel_fault(unsigned long addr, unsigned int esr,
if (!is_el1_instruction_abort(esr) && fixup_exception(regs))
return;
- if (is_el1_permission_fault(esr, regs, addr)) {
+ if (is_el1_permission_fault(addr, esr, regs)) {
if (esr & ESR_ELx_WNR)
msg = "write to read-only memory";
else
@@ -454,7 +453,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
mm_flags |= FAULT_FLAG_WRITE;
}
- if (addr < TASK_SIZE && is_el1_permission_fault(esr, regs, addr)) {
+ if (addr < TASK_SIZE && is_el1_permission_fault(addr, esr, regs)) {
/* regs->orig_addr_limit may be 0 if we entered from EL0 */
if (regs->orig_addr_limit == KERNEL_DS)
die_kernel_fault("access to user memory with fs=KERNEL_DS",
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