From: Richard Henderson <richard.henderson@linaro.org>
To: Max Filippov <jcmvbkbc@gmail.com>, qemu-devel@nongnu.org
Subject: Re: [PATCH] target/xtensa: enable all coprocessors for linux-user
Date: Sat, 29 Aug 2020 08:35:25 -0700 [thread overview]
Message-ID: <dd1fef75-1175-bd8d-4e68-a4101ab588e4@linaro.org> (raw)
In-Reply-To: <20200829104758.22337-1-jcmvbkbc@gmail.com>
On 8/29/20 3:47 AM, Max Filippov wrote:
> Linux userspace always sees coprocessors as enabled. CPENABLE register
> and coprocessor exceptions are used internally by the kernel to manage
> lazy coprocessor context switch. None of it is needed for linux-user.
> Always enable all coprocessors for user emulation.
>
> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2020-08-29 15:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-29 10:47 [PATCH] target/xtensa: enable all coprocessors for linux-user Max Filippov
2020-08-29 15:35 ` Richard Henderson [this message]
2020-10-26 11:07 ` Laurent Vivier
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