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signal/arm64: Factor set_thread_esr out of __do_user_fault

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This pepares for sending signals with something other than
arm64_force_sig_info.

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>
This commit is contained in:
Eric W. Biederman 2018-09-22 09:37:55 +02:00
parent 1628a7cc85
commit f29ad209e4
1 changed files with 7 additions and 2 deletions
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9
arch/arm64/mm/fault.c
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@ -297,9 +297,9 @@ static void __do_kernel_fault(unsigned long addr, unsigned int esr,
die_kernel_fault(msg, addr, esr, regs);
}
static void __do_user_fault(struct siginfo *info, unsigned int esr)
static void set_thread_esr(unsigned long address, unsigned int esr)
{
current->thread.fault_address = (unsigned long)info->si_addr;
current->thread.fault_address = address;
/*
* If the faulting address is in the kernel, we must sanitize the ESR.
@ -352,6 +352,11 @@ static void __do_user_fault(struct siginfo *info, unsigned int esr)
}
current->thread.fault_code = esr;
}
static void __do_user_fault(struct siginfo *info, unsigned int esr)
{
set_thread_esr((unsigned long)info->si_addr, esr);
arm64_force_sig_info(info, esr_to_fault_info(esr)->name);
}