lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <05e692e4-8065-c962-ce5b-d3348fd8574f@loongson.cn>
Date:   Mon, 6 Mar 2023 20:20:41 +0800
From:   maobibo <maobibo@...ngson.cn>
To:     Xi Ruoyao <xry111@...111.site>,
        Huacai Chen <chenhuacai@...ngson.cn>,
        Arnd Bergmann <arnd@...db.de>,
        Huacai Chen <chenhuacai@...nel.org>
Cc:     loongarch@...ts.linux.dev, linux-arch@...r.kernel.org,
        Xuefeng Li <lixuefeng@...ngson.cn>,
        Guo Ren <guoren@...nel.org>, Xuerui Wang <kernel@...0n.name>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        linux-kernel@...r.kernel.org, loongson-kernel@...ts.loongnix.cn
Subject: Re: [PATCH V3] LoongArch: Provide kernel fpu functions



在 2023/3/6 20:09, Xi Ruoyao 写道:
> On Mon, 2023-03-06 at 20:03 +0800, maobibo wrote:
>> 在 2023/3/6 17:59, Huacai Chen 写道:
>>> Provide kernel_fpu_begin()/kernel_fpu_end() to allow the kernel itself
>>> to use fpu. They can be used by some other kernel components, e.g., the
>>> AMDGPU graphic driver for DCN.
>> Since kernel is compiled with -msoft-float, I guess hw fpu will not be
>> used in kernel by present:). However it is deserved to try.
> 
> See the draft AMD DCN support patch:
> https://github.com/loongson/linux/commit/0ee299095c963938a7626c3121a8feef32251301
Got it, thanks for pointing it out, good job:)

Regards
Bibo,Mao
> 

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ