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From: Christoph Hellwig <hch@infradead.org>
To: Samuel Holland <samuel.holland@sifive.com>
Cc: "Palmer Dabbelt" <palmer@dabbelt.com>,
	"Harry Wentland" <harry.wentland@amd.com>,
	"Leo Li" <sunpeng.li@amd.com>,
	"Rodrigo Siqueira" <Rodrigo.Siqueira@amd.com>,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org,
	"David Airlie" <airlied@gmail.com>,
	"Christian König" <christian.koenig@amd.com>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	"Pan Xinhui" <Xinhui.Pan@amd.com>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	amd-gfx@lists.freedesktop.org
Subject: Re: [PATCH 1/3] riscv: Add support for kernel-mode FPU
Date: Wed, 22 Nov 2023 00:33:32 -0800	[thread overview]
Message-ID: <ZV283NfE/K5zLXDD@infradead.org> (raw)
In-Reply-To: <20231122030621.3759313-2-samuel.holland@sifive.com>

On Tue, Nov 21, 2023 at 07:05:13PM -0800, Samuel Holland wrote:
> +static inline void kernel_fpu_begin(void)
> +{
> +	preempt_disable();
> +	fstate_save(current, task_pt_regs(current));
> +	csr_set(CSR_SSTATUS, SR_FS);
> +}
> +
> +static inline void kernel_fpu_end(void)
> +{
> +	csr_clear(CSR_SSTATUS, SR_FS);
> +	fstate_restore(current, task_pt_regs(current));
> +	preempt_enable();
> +}

Is there any critical reason to inline these two?  I'd much rather see
them out of line and exported instead of the low-level helpers.


  reply	other threads:[~2023-11-22  8:33 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-22  3:05 [PATCH 0/3] riscv: Add kernel-mode FPU support for amdgpu Samuel Holland
2023-11-22  3:05 ` [PATCH 1/3] riscv: Add support for kernel-mode FPU Samuel Holland
2023-11-22  8:33   ` Christoph Hellwig [this message]
2023-12-08  4:17     ` Samuel Holland
2023-11-22 20:23   ` kernel test robot
2023-11-23  1:54   ` kernel test robot
2023-11-22  3:05 ` [PATCH 2/3] riscv: Factor out riscv-march-y to a separate Makefile Samuel Holland
2023-11-22  3:05 ` [PATCH 3/3] drm/amd/display: Support DRM_AMD_DC_FP on RISC-V Samuel Holland
2023-11-22  8:40   ` Christoph Hellwig
2023-12-08  4:49     ` Samuel Holland
2023-12-12  7:12       ` Christoph Hellwig
2023-12-12 17:42         ` Josh Poimboeuf
2023-11-23 14:23   ` Conor Dooley
2023-11-30  0:42     ` Nathan Chancellor
2023-11-30  8:27       ` Conor Dooley
2023-12-08  5:04       ` Samuel Holland
2023-12-09 20:38         ` Arnd Bergmann
2023-12-09 21:29           ` Samuel Holland
2023-12-09 21:42             ` Arnd Bergmann
2023-12-11 15:17             ` Alex Deucher
2023-12-11 15:40               ` Samuel Holland

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