From: Richard Henderson <rth@twiddle.net>
To: Alexander Graf <agraf@suse.de>
Cc: "Edgar E.Iglesias" <edgar.iglesias@gmail.com>,
qemu-devel@nongnu.org, aurelien@aurel32.net
Subject: Re: [Qemu-devel] [PATCH 5/7] tcg-i386: Implement deposit operation.
Date: Wed, 26 Jan 2011 08:40:06 -0800 [thread overview]
Message-ID: <4D404E66.4020109@twiddle.net> (raw)
In-Reply-To: <4D404533.3060708@suse.de>
On 01/26/2011 08:00 AM, Alexander Graf wrote:
> Keeping it only inside of the translator would break on page faults, as
> the lower 32 bits of the register would lie around in a temporary which
> is invisible for the page fault resolver.
Given that QEMU doesn't support truely async signals, and the fact that
the translator can tell which insns can fault, I can't imagine that this
is actually a problem.
You should get the same sequence of writebacks when translating the TB
the second time for tcg_gen_code_search_pc.
Am I totally confused here?
r~
next prev parent reply other threads:[~2011-01-26 16:40 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-11 3:23 [Qemu-devel] [PATCH 0/7] Define "deposit" tcg operation, v2 Richard Henderson
2011-01-11 3:23 ` [Qemu-devel] [PATCH 1/7] tcg: Define "deposit" as an optional operation Richard Henderson
2011-01-11 23:45 ` Aurelien Jarno
2011-01-12 11:00 ` Edgar E. Iglesias
2011-01-11 3:23 ` [Qemu-devel] [PATCH 2/7] tcg-ppc: Implement deposit operation Richard Henderson
2011-01-11 12:40 ` [Qemu-devel] " malc
2011-01-11 16:32 ` Richard Henderson
2011-01-11 19:11 ` malc
2011-01-11 3:23 ` [Qemu-devel] [PATCH 3/7] tcg-hppa: " Richard Henderson
2011-01-11 3:23 ` [Qemu-devel] [PATCH 4/7] tcg-ia64: " Richard Henderson
2011-01-11 3:23 ` [Qemu-devel] [PATCH 5/7] tcg-i386: " Richard Henderson
2011-01-25 12:27 ` Edgar E. Iglesias
2011-01-25 16:13 ` Richard Henderson
2011-01-25 16:48 ` Edgar E. Iglesias
2011-01-25 22:07 ` Richard Henderson
2011-01-26 8:53 ` Edgar E. Iglesias
2011-01-26 9:23 ` Alexander Graf
2011-01-26 15:50 ` Richard Henderson
2011-01-26 16:00 ` Alexander Graf
2011-01-26 16:34 ` Avi Kivity
2011-01-26 16:40 ` Richard Henderson [this message]
2011-01-26 16:50 ` Alexander Graf
2011-01-26 18:21 ` Richard Henderson
2011-01-26 18:27 ` Alexander Graf
2011-01-26 18:55 ` Richard Henderson
2011-01-26 19:01 ` Alexander Graf
2011-01-26 19:05 ` Richard Henderson
2011-01-26 19:09 ` Alexander Graf
2011-01-26 19:19 ` Richard Henderson
2011-01-26 19:27 ` Alexander Graf
2011-01-31 8:33 ` Aurelien Jarno
2011-02-08 18:05 ` Richard Henderson
2011-02-09 7:41 ` [Qemu-devel] " Paolo Bonzini
2011-02-09 17:24 ` Blue Swirl
2011-01-11 3:23 ` [Qemu-devel] [PATCH 6/7] target-i386: Use " Richard Henderson
2011-01-12 11:01 ` Edgar E. Iglesias
2011-01-20 11:06 ` Aurelien Jarno
2011-01-11 3:23 ` [Qemu-devel] [PATCH 7/7] target-ppc: " Richard Henderson
2011-01-11 23:45 ` [Qemu-devel] [PATCH 0/7] Define "deposit" tcg operation, v2 Aurelien Jarno
2011-01-20 11:31 ` Edgar E. Iglesias
-- strict thread matches above, loose matches on Subject: below --
2011-01-07 22:42 [Qemu-devel] [PATCH 0/7] Define "deposit" tcg operation Richard Henderson
2011-01-07 22:43 ` [Qemu-devel] [PATCH 5/7] tcg-i386: Implement deposit operation Richard Henderson
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