From: Akihiko Odaki <akihiko.odaki@daynix.com>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Subject: Re: [PATCH] qemu/osdep: Remove fallback for MAP_FIXED_NOREPLACE
Date: Wed, 9 Aug 2023 12:43:34 +0900 [thread overview]
Message-ID: <cbfd8bb5-7c95-44a7-85ef-8597a5f85242@daynix.com> (raw)
In-Reply-To: <20230808164418.69989-1-richard.henderson@linaro.org>
On 2023/08/09 1:44, Richard Henderson wrote:
> In order for our emulation of MAP_FIXED_NOREPLACE to succeed within
> linux-user target_mmap, we require a non-zero value. This does not
> require host kernel support, merely the bit being defined.
>
> MAP_FIXED_NOREPLACE was added with glibc 2.28. From repology.org:
>
> Fedora 36: 2.35
> CentOS 8 (RHEL-8): 2.28
> Debian 11: 2.31
> OpenSUSE Leap 15.4: 2.31
> Ubuntu LTS 20.04: 2.31
>
> Reported-by: Akihiko Odaki <akihiko.odaki@daynix.com>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
next prev parent reply other threads:[~2023-08-09 3:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-08 16:44 [PATCH] qemu/osdep: Remove fallback for MAP_FIXED_NOREPLACE Richard Henderson
2023-08-08 22:16 ` Alex Bennée
2023-08-09 3:43 ` Akihiko Odaki [this message]
2023-08-09 3:50 ` Michael Tokarev
2023-08-09 3:51 ` Richard Henderson
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