Re: [PATCH 2.6.19] m32r: Fix access error handler to pass full 32-bitaddress

From: Hirokazu Takata
Date: Wed Dec 06 2006 - 06:03:37 EST


Hi, Andrew,

Sorry, I sent a patch with wrong title.
On m32r, ACE is an acronym of not "access error", but "access exception".

Please drop the previous patch entitled "[PATCH 2.6.19] m32r: Fix access
error handler to pass full 32-bit address".
I will resend a correct patch again.

Thanks,

From: Hirokazu Takata <takata@xxxxxxxxxxxxxx>
Subject: [PATCH 2.6.19] m32r: Fix access error handler to pass full 32-bit address
Date: Wed, 06 Dec 2006 19:00:40 +0900
> Don't mask the lower 12-bit of the page fault address.
>
> In the current m32r kernel implementation, we use an access error handler
> to detect page faults.
> In order to check userspace address in do_page_fault, we have to pass
> full 32-bit address to do_page_fault.
>
> Signed-off-by: Hirokazu Takata <takata@xxxxxxxxxxxxxx>
> ---
> arch/m32r/kernel/entry.S | 2 --
> arch/m32r/mm/fault.c | 4 ++--
> 2 files changed, 2 insertions(+), 4 deletions(-)

-- Takata
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