Date: Mon, 12 Feb 2024 09:57:09 -0800 From: John Baldwin <jhb@FreeBSD.org> To: Vladimir Kondratyev <wulf@FreeBSD.org>, src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: Re: git: c0b8047bdc13 - main - LinuxKPI: Allow kmalloc to be called when FPU protection is enabled Message-ID: <d0f8a884-48bd-41b8-a925-5c1b217ab0f9@FreeBSD.org> In-Reply-To: <202402102203.41AM3NGb006023@gitrepo.freebsd.org> References: <202402102203.41AM3NGb006023@gitrepo.freebsd.org>
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On 2/10/24 2:03 PM, Vladimir Kondratyev wrote: > The branch main has been updated by wulf: > > URL: https://cgit.FreeBSD.org/src/commit/?id=c0b8047bdc13040eafb162c4b7b5dba11034ff4b > > commit c0b8047bdc13040eafb162c4b7b5dba11034ff4b > Author: Vladimir Kondratyev <wulf@FreeBSD.org> > AuthorDate: 2024-02-10 22:01:50 +0000 > Commit: Vladimir Kondratyev <wulf@FreeBSD.org> > CommitDate: 2024-02-10 22:01:50 +0000 > > LinuxKPI: Allow kmalloc to be called when FPU protection is enabled > > Amdgpu driver does a lot of memory allocations in FPU-protected sections > of code for certain display cores, e.g. for DCN30. This does not work > on FreeBSD as its malloc function can not be run within a critical > section. Check this condition and temporally exit from FPU-protected > context to workaround issue and reduce source code patching. > > Sponsored by: Serenity Cyber Security, LLC > Reviewed by: manu (previous version) > MFC after: 1 week > Differential revision: https://reviews.freebsd.org/D42822 Thanks! -- John Baldwin
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