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arm64/mm: Use ESR_ELx_FSC macro while decoding fault exception 

Just replace hard code value of 63 (0x111111) with an existing macro
ESR_ELx_FSC when parsing for the status code during fault exception.

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>
This commit is contained in:
Anshuman Khandual 2018-09-22 21:09:52 +05:30 committed by Catalin Marinas
parent 95b861a4a6
commit 00bbd5d901
1 changed files with 1 additions and 1 deletions
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arch/arm64/mm/fault.c
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@ -59,7 +59,7 @@ static const struct fault_info fault_info[];
static inline const struct fault_info *esr_to_fault_info(unsigned int esr)
{
return fault_info + (esr & 63);
return fault_info + (esr & ESR_ELx_FSC);
}
#ifdef CONFIG_KPROBES