[PATCH 1/8] 8xx: invalidate non present TLBs
Scott Wood
scottwood at freescale.com
Thu Oct 15 03:56:56 EST 2009
On Sun, Oct 11, 2009 at 06:35:05PM +0200, Joakim Tjernlund wrote:
> 8xx sometimes need to load a invalid/non-present TLBs in
> it DTLB asm handler.
> These must be invalidated separaly as linux mm don't.
> ---
> arch/powerpc/mm/fault.c | 8 +++++++-
> 1 files changed, 7 insertions(+), 1 deletions(-)
>
> diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
> index 7699394..72941c7 100644
> --- a/arch/powerpc/mm/fault.c
> +++ b/arch/powerpc/mm/fault.c
> @@ -39,7 +39,7 @@
> #include <asm/uaccess.h>
> #include <asm/tlbflush.h>
> #include <asm/siginfo.h>
> -
> +#include <mm/mmu_decl.h>
>
> #ifdef CONFIG_KPROBES
> static inline int notify_page_fault(struct pt_regs *regs)
> @@ -243,6 +243,12 @@ good_area:
> goto bad_area;
> #endif /* CONFIG_6xx */
> #if defined(CONFIG_8xx)
> + /* 8xx sometimes need to load a invalid/non-present TLBs.
> + * These must be invalidated separately as linux mm don't.
> + */
> + if (error_code & 0x40000000) /* no translation? */
> + _tlbil_va(address);
arch/powerpc/mm/fault.c:253: error: too few arguments to function ‘_tlbil_va’
-Scott
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