Re: [PATCH v2] [RESEND] Handle instruction cache maintenance faultproperly

From: Catalin Marinas
Date: Fri May 14 2010 - 09:30:10 EST


On Tue, 2010-05-11 at 11:33 +0100, Kirill A. Shutemov wrote:
> diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
> index 9d40c34..7f193ea 100644
> --- a/arch/arm/mm/fault.c
> +++ b/arch/arm/mm/fault.c
> @@ -463,7 +463,12 @@ static struct fsr_info {
> { do_bad, SIGILL, BUS_ADRALN, "alignment exception" },
> { do_bad, SIGKILL, 0, "terminal exception" },
> { do_bad, SIGILL, BUS_ADRALN, "alignment exception" },
> +/* Do we need runtime check ? */
> +#if __LINUX_ARM_ARCH__ < 6
> { do_bad, SIGBUS, 0, "external abort on linefetch" },
> +#else
> + { do_translation_fault, SIGSEGV, SEGV_MAPPER, "I-cache maintenance
> fault" },
> +#endif

Apart from line wrapping, it should be SEGV_MAPERR above.

--
Catalin

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