linux-kernel - Re: [PATCH v2 07/29] LoongArch: KVM: Implement vcpu run interface

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Message-ID: <6f78f884-2d57-d112-a179-bac6be6688bc@loongson.cn>
Date:   Wed, 22 Feb 2023 10:08:21 +0800
From:   Tianrui Zhao <zhaotianrui@...ngson.cn>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Huacai Chen <chenhuacai@...nel.org>,
        WANG Xuerui <kernel@...0n.name>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        loongarch@...ts.linux.dev, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, Jens Axboe <axboe@...nel.dk>,
        Mark Brown <broonie@...nel.org>,
        Alex Deucher <alexander.deucher@....com>,
        Oliver Upton <oliver.upton@...ux.dev>, maobibo@...ngson.cn
Subject: Re: [PATCH v2 07/29] LoongArch: KVM: Implement vcpu run interface



在 2023年02月21日 02:44, Paolo Bonzini 写道:
> On 2/20/23 07:57, Tianrui Zhao wrote:
>> +    lose_fpu(1);
>
> Is this enough to clear CSR_EUEN_FPEN?

Yes, in lose_fpu function, the task's CSR_EUEN_FPEN flag is unmasked.

Thanks
Tianrui Zhao

>
>
> Paolo