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| author |   Anshuman Khandual <anshuman.khandual@arm.com> | 2018-09-22 21:09:53 +0530 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2018-10-01 13:47:31 +0100 |
| commit | dbfe3828a6f36be904427ed7f196744cb02d3072 (patch) | |
| tree | 86599cff6a639d72ec404e03ce565be7f4abdc93 /arch/arm64/mm | |
| parent | arm64/mm: Use ESR_ELx_FSC macro while decoding fault exception (diff) | |
| download | linux-dev-dbfe3828a6f36be904427ed7f196744cb02d3072.tar.xz linux-dev-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.c | 9 |
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", |