Re: [Xen-ia64-devel] [Patch] linux: need to set psr.ac in page_fault

[Alex Williamson <alex.williamson@xxxxxx>]

On Wed, 2008-03-19 at 22:46 +0900, Akio Takebe wrote:
> Hi,
> 
> This patch fixes a different behavior from the original code.
> We need to set psr.ac.

> 
> diff -r ba72914de93a arch/ia64/xen/xenivt.S
> --- a/arch/ia64/xen/xenivt.S    Wed Mar 05 17:29:05 2008 +0000
> +++ b/arch/ia64/xen/xenivt.S    Thu Mar 20 06:53:32 2008 +0900
> @@ -696,16 +696,19 @@ ENTRY(page_fault)
>         st4 [r3]=r14                            // vpsr.ic = 1
>         adds r3=8,r2                            // set up second base
> pointer
>         ;;
> +#ifdef PSR_DEFAULT_BITS
> +       sum PSR_DEFAULT_BITS
> +#endif

   How would we ever get here w/o PSR_DEFAULT_BITS defined?  Thanks,

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.


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