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Re: [Qemu-devel] [PATCH] Alpha: fix locked loads/stores
From: |
Laurent Desnogues |
Subject: |
Re: [Qemu-devel] [PATCH] Alpha: fix locked loads/stores |
Date: |
Fri, 7 Nov 2008 17:42:52 +0100 |
On Fri, Nov 7, 2008 at 4:18 PM, Aurelien Jarno <address@hidden> wrote:
> The manual is actually not really clear. Section 4.2.5 does not really
> speak about storing the locked address, while Section 3.1.4 explicitly
> mentions a "locked_physical_address register".
Yes, it's really unclear.
> The current implementation, now that it is fixed (can someone confirms
> that the problem is actually fixed?), matches the pre-TCG
> implementation. I am not sure it is the correct one, but if it works for
> now and until someone comes with more arguments, I think we should let
> the code as now.
I agree. It's probably better than simply ignoring the address.
We need a way to test the behavior on real machines with some
multi-threaded testcase.
Laurent