linux-kernel - Re: [PATCH v4 13/15] drm/amd/display: Use ARCH_HAS_KERNEL_FPU

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: <CADnq5_Ndzw5Gre=yyPKyFNX5yFWjTCMg2xqrn6tEj6h8t-nAYg@mail.gmail.com>
Date: Fri, 24 May 2024 09:18:36 -0400
From: Alex Deucher <alexdeucher@...il.com>
To: Guenter Roeck <linux@...ck-us.net>
Cc: Samuel Holland <samuel.holland@...ive.com>, Andrew Morton <akpm@...ux-foundation.org>, 
	linux-arm-kernel@...ts.infradead.org, x86@...nel.org, 
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org, 
	linuxppc-dev@...ts.ozlabs.org, linux-riscv@...ts.infradead.org, 
	Christoph Hellwig <hch@....de>, loongarch@...ts.linux.dev, amd-gfx@...ts.freedesktop.org, 
	Alex Deucher <alexander.deucher@....com>
Subject: Re: [PATCH v4 13/15] drm/amd/display: Use ARCH_HAS_KERNEL_FPU_SUPPORT

On Fri, May 24, 2024 at 9:17 AM Alex Deucher <alexdeucher@...il.com> wrote:
>
> On Fri, May 24, 2024 at 5:16 AM Guenter Roeck <linux@...ck-us.net> wrote:
> >
> > Hi,
> >
> > On Fri, Mar 29, 2024 at 12:18:28AM -0700, Samuel Holland wrote:
> > > Now that all previously-supported architectures select
> > > ARCH_HAS_KERNEL_FPU_SUPPORT, this code can depend on that symbol instead
> > > of the existing list of architectures. It can also take advantage of the
> > > common kernel-mode FPU API and method of adjusting CFLAGS.
> > >
> > > Acked-by: Alex Deucher <alexander.deucher@....com>
> > > Reviewed-by: Christoph Hellwig <hch@....de>
> > > Signed-off-by: Samuel Holland <samuel.holland@...ive.com>
> >
> > With this patch in the mainline kernel, I get the following build error
> > when trying to build powerpc:ppc32_allmodconfig.
> >
> > powerpc64-linux-ld: drivers/gpu/drm/amd/amdgpu/../display/dc/dml/display_mode_lib.o uses hard float, drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.o uses soft float
> > powerpc64-linux-ld: failed to merge target specific data of file drivers/gpu/drm/amd/amdgpu/../display/dc/dml/display_mode_lib.o
> >
> > [ repeated many times ]
> >
> > The problem is no longer seen after reverting this patch.
>
> Should be fixed with this patch:
> https://gitlab.freedesktop.org/agd5f/linux/-/commit/5f56be33f33dd1d50b9433f842c879a20dc00f5b
> Will pull it into my -fixes branch.
>

Nevermind, this is something else.

Alex


> Alex
>
> >
> > Guenter