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From: Richard Henderson <richard.henderson@linaro.org>
To: Roman Bolshakov <r.bolshakov@yadro.com>, qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>
Subject: Re: [PATCH] util/osdep: Avoid mprotect() RWX->NONE on Big Sur 11.2
Date: Tue, 9 Mar 2021 06:03:28 -0800	[thread overview]
Message-ID: <4c5e6294-5354-e7e1-7ea4-96762721d094@linaro.org> (raw)
In-Reply-To: <20210210105527.74943-1-r.bolshakov@yadro.com>

On 2/10/21 2:55 AM, Roman Bolshakov wrote:
> There's a change in mprotect() behaviour [1] in the latest macOS on M1
> and it's not yet clear if it's going to be fixed by Apple. For now we
> can avoid unsupported mprotect() calls. QEMU and qtests work fine
> without it.
> 
> 1.https://gist.github.com/hikalium/75ae822466ee4da13cbbe486498a191f

This is an unfortunate OS bug.

But I can use this as an opportunity to tidy up some memory management, and in 
the process go from NONE -> {RX,RW} instead.


r~


      parent reply	other threads:[~2021-03-09 14:05 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-10 10:55 [PATCH] util/osdep: Avoid mprotect() RWX->NONE on Big Sur 11.2 Roman Bolshakov
2021-03-08  6:47 ` Joelle van Dyne
2021-03-09 13:31   ` Roman Bolshakov
2021-03-09 18:06     ` Joelle van Dyne
2021-03-09 14:03 ` Richard Henderson [this message]

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