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Re: [Qemu-devel] [PATCH 02/22] translate-all: remove redundant !tcg_enab


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 02/22] translate-all: remove redundant !tcg_enabled check in dump_exec_info
Date: Sun, 9 Jul 2017 09:57:11 -1000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1

On 07/08/2017 09:49 PM, Emilio G. Cota wrote:
This check is redundant because it is already performed by the only
caller of dump_exec_info -- the caller was updated by b7da97eef
("monitor: Check whether TCG is enabled before running the "info jit"
code").

Checking twice wouldn't necessarily be too bad, but here the check also
returns with tb_lock held. So we can either do the check before tb_lock is
acquired, or just get rid of it. Given that it is redundant, I am going
for the latter option.

Signed-off-by: Emilio G. Cota <address@hidden>

Reviewed-by: Richard Henderson <address@hidden>


r~



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