From: Richard Henderson <richard.henderson@linaro.org>
To: Pierrick Bouvier <pierrick.bouvier@linaro.org>, qemu-devel@nongnu.org
Cc: sw@weilnetz.de, kkostiuk@redhat.com, clg@kaod.org,
alex.bennee@linaro.org, peter.maydell@linaro.org,
philmd@linaro.org
Subject: Re: [PATCH v4 1/4] util/cacheflush: fix cache on windows-arm64
Date: Tue, 21 Feb 2023 13:44:22 -1000 [thread overview]
Message-ID: <b43bb34b-f96e-70de-381b-330835cba161@linaro.org> (raw)
In-Reply-To: <20230221153006.20300-2-pierrick.bouvier@linaro.org>
On 2/21/23 05:30, Pierrick Bouvier wrote:
> ctr_el0 access is privileged on this platform and fails as an illegal
> instruction.
>
> Windows does not offer a way to flush data cache from userspace, and
> only FlushInstructionCache is available in Windows API.
>
> The generic implementation of flush_idcache_range uses,
> __builtin___clear_cache, which already use the FlushInstructionCache
> function. So we rely on that.
>
> Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> util/cacheflush.c | 14 +++++++++++---
> 1 file changed, 11 insertions(+), 3 deletions(-)
Queueing this to tcg-next.
r~
next prev parent reply other threads:[~2023-02-21 23:44 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-21 15:30 [PATCH v4 0/4] Adds support for running QEMU natively on windows-arm64 Pierrick Bouvier
2023-02-21 15:30 ` [PATCH v4 1/4] util/cacheflush: fix cache " Pierrick Bouvier
2023-02-21 23:44 ` Richard Henderson [this message]
2023-02-21 15:30 ` [PATCH v4 2/4] sysemu/os-win32: fix setjmp/longjmp " Pierrick Bouvier
2023-02-21 22:27 ` Philippe Mathieu-Daudé
2023-02-22 16:08 ` Pierrick Bouvier
2023-02-22 16:17 ` Philippe Mathieu-Daudé
2023-02-21 23:45 ` Richard Henderson
2023-02-21 15:30 ` [PATCH v4 3/4] qga/vss-win32: fix warning for clang++-15 Pierrick Bouvier
2023-03-21 21:48 ` Pierrick Bouvier
2023-03-22 17:18 ` Konstantin Kostiuk
2023-03-22 17:23 ` Daniel P. Berrangé
2023-02-21 15:30 ` [PATCH v4 4/4] target/ppc: fix warning with clang-15 Pierrick Bouvier
2023-02-21 22:30 ` Philippe Mathieu-Daudé
2023-02-21 23:43 ` Richard Henderson
2023-02-22 16:02 ` Pierrick Bouvier
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