* Gleb Natapov <[email protected]> wrote:
> diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
> index f4cee90..14707dc 100644
> --- a/arch/x86/mm/fault.c
> +++ b/arch/x86/mm/fault.c
> @@ -952,6 +952,9 @@ do_page_fault(struct pt_regs *regs, unsigned long
> error_code)
> int write;
> int fault;
>
> + if (arch_handle_page_fault(regs, error_code))
> + return;
> +
This patch is not acceptable unless it's done cleaner. Currently we
already have 3 callbacks in do_page_fault() (kmemcheck, mmiotrace,
notifier), and this adds a fourth one. Please consolidate them into a
single callback site, this is a hotpath on x86.
And please always Cc: the x86 maintainers to patches that touch x86
code.
Ingo
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