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Re: [RFC PATCH] target/arm: drop CF_LAST_IO/dc->condjump check


From: Richard Henderson
Subject: Re: [RFC PATCH] target/arm: drop CF_LAST_IO/dc->condjump check
Date: Fri, 16 Apr 2021 09:07:56 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1

On 4/16/21 8:49 AM, Alex Bennée wrote:
This is a left over erroneous check from the days front-ends handled
io start/end themselves. Regardless just because IO could be performed
on the last instruction doesn't obligate the front end to do so.

This fixes an abort faced by the aspeed execute-in-place support which
will necessarily trigger this state (even before the one-shot
CF_LAST_IO fix). The test still seems to hang once it attempts to boot
the Linux kernel but I suspect this is an unrelated issue with icount
and the timer handling code.

Signed-off-by: Alex Bennée<alex.bennee@linaro.org>
Cc: Cédric Le Goater<clg@kaod.org>
---
  target/arm/translate.c | 5 -----
  1 file changed, 5 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~



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