From: Ingo Molnar <mingo@elte.hu>
To: Russ Anderson <rja@sgi.com>
Cc: tglx@linutronix.de, linux-next@vger.kernel.org,
Stephen Rothwell <sfr@canb.auug.org.au>,
"H. Peter Anvin" <hpa@zytor.com>, Dean Nelson <dcn@sgi.com>
Subject: Re: [BUGFIX][PATCH] sgi-xp: xpc needs to pass the physical address, not virtual
Date: Tue, 16 Dec 2008 23:04:39 +0100 [thread overview]
Message-ID: <20081216220439.GC14787@elte.hu> (raw)
In-Reply-To: <20081212170659.GA13377@sgi.com>
* Russ Anderson <rja@sgi.com> wrote:
> xpc needs to pass the physical address, not virtual.
>
> Signed-off-by: Russ Anderson <rja@sgi.com>
> Acked-by: Dean Nelson <dcn@sgi.com>
>
> ---
> Testing uncovered this problem. The virtual address happens to work
> most of the time due to the way bios was masking off the node bits.
> Passing the physical address makes it work all of the time.
>
>
> arch/x86/include/asm/uv/bios.h | 2 +-
> arch/x86/kernel/bios_uv.c | 4 +---
> drivers/misc/sgi-xp/xpc_uv.c | 8 ++++----
> 3 files changed, 6 insertions(+), 8 deletions(-)
applied to tip/x86/uv, thanks Russ!
Ingo
prev parent reply other threads:[~2008-12-16 22:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-12 17:07 [BUGFIX][PATCH] sgi-xp: xpc needs to pass the physical address, not virtual Russ Anderson
2008-12-16 22:04 ` Ingo Molnar [this message]
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