Re: [REVIEW][PATCH 14/20] signal/x86: Remove pkey parameter from mm_fault_error

From: Thomas Gleixner
Date: Tue Sep 18 2018 - 16:46:22 EST


On Tue, 18 Sep 2018, Eric W. Biederman wrote:

> After the previous cleanups to do_sigbus and and bad_area_nosemaphore
> mm_fault_error no now longer uses it's pkey parameter. Therefore
> remove the unused parameter.
>
> Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

> ---
> arch/x86/mm/fault.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
> index 6886866c072d..7ba00519fa5d 100644
> --- a/arch/x86/mm/fault.c
> +++ b/arch/x86/mm/fault.c
> @@ -999,7 +999,7 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
>
> static noinline void
> mm_fault_error(struct pt_regs *regs, unsigned long error_code,
> - unsigned long address, u32 *pkey, vm_fault_t fault)
> + unsigned long address, vm_fault_t fault)
> {
> if (fatal_signal_pending(current) && !(error_code & X86_PF_USER)) {
> no_context(regs, error_code, address, 0, 0);
> @@ -1419,7 +1419,7 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code,
>
> up_read(&mm->mmap_sem);
> if (unlikely(fault & VM_FAULT_ERROR)) {
> - mm_fault_error(regs, error_code, address, &pkey, fault);
> + mm_fault_error(regs, error_code, address, fault);
> return;
> }
>
> --
> 2.17.1
>
>