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arm64: consistently use unsigned long for thread flags

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In do_notify_resume, we manipulate thread_flags as a 32-bit unsigned
int, whereas thread_info::flags is a 64-bit unsigned long, and elsewhere
(e.g. in the entry assembly) we manipulate the flags as a 64-bit
quantity.

For consistency, and to avoid problems if we end up with more than 32
flags, let's make do_notify_resume take the flags as a 64-bit unsigned
long.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Dave Martin <dave.martin@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Mark Rutland 2018-07-11 14:56:36 +01:00 committed by Will Deacon
parent e87a4a92fb
commit 3eb6f1f9e6
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/kernel/signal.c
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@ -912,7 +912,7 @@ static void do_signal(struct pt_regs *regs)
}
asmlinkage void do_notify_resume(struct pt_regs *regs,
unsigned int thread_flags)
unsigned long thread_flags)
{
/*
* The assembly code enters us with IRQs off, but it hasn't