From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Subject: Re: [PATCH 4/6] accel/tcg: Improve setting of can_do_io at start of TB
Date: Fri, 15 Sep 2023 11:47:09 +0200 [thread overview]
Message-ID: <b2e75a5c-35f4-2012-610e-e5e4fc1f98d8@linaro.org> (raw)
In-Reply-To: <20230914174436.1597356-5-richard.henderson@linaro.org>
On 14/9/23 19:44, Richard Henderson wrote:
> Initialize can_do_io to true if this the TB has CF_LAST_IO
> and will consist of a single instruction. This avoids a
> set to 0 followed immediately by a set to 1.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> accel/tcg/translator.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
next prev parent reply other threads:[~2023-09-15 9:47 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-14 17:44 [PATCH 0/6] accel/tcg: Always require can_do_io (#1866) Richard Henderson
2023-09-14 17:44 ` [PATCH 1/6] accel/tcg: Avoid load of icount_decr if unused Richard Henderson
2023-09-15 9:23 ` Philippe Mathieu-Daudé
2023-09-14 17:44 ` [PATCH 2/6] accel/tcg: Hoist CF_MEMI_ONLY check outside translation loop Richard Henderson
2023-09-15 9:26 ` Philippe Mathieu-Daudé
2023-09-14 17:44 ` [PATCH 3/6] accel/tcg: Track current value of can_do_io in the TB Richard Henderson
2023-09-15 9:41 ` [PATCH 3/6: 1/2] accel/tcg: Refactor gen_io_start() as set_can_do_io() Philippe Mathieu-Daudé
2023-09-15 9:41 ` [PATCH 3/6: 2/2] accel/tcg: Track current value of can_do_io in the TB Philippe Mathieu-Daudé
2023-09-15 9:44 ` Philippe Mathieu-Daudé
2023-09-15 9:42 ` [PATCH 3/6: 1/2] accel/tcg: Refactor gen_io_start() as set_can_do_io() Philippe Mathieu-Daudé
2023-09-14 17:44 ` [PATCH 4/6] accel/tcg: Improve setting of can_do_io at start of TB Richard Henderson
2023-09-15 9:47 ` Philippe Mathieu-Daudé [this message]
2023-09-14 17:44 ` [PATCH 5/6] accel/tcg: Always set CF_LAST_IO with CF_NOIRQ Richard Henderson
2023-09-19 9:26 ` Philippe Mathieu-Daudé
2023-09-14 17:44 ` [PATCH 6/6] accel/tcg: Always require can_do_io Richard Henderson
2023-09-19 9:37 ` Philippe Mathieu-Daudé
2023-10-24 9:50 ` Clément Chigot
2023-10-26 0:44 ` Richard Henderson
2023-10-26 8:10 ` Clément Chigot
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