From: Christoph Hellwig <hch@lst.de>
To: Yangyu Chen <cyy@cyyself.name>
Cc: Christoph Hellwig <hch@lst.de>,
iommu@lists.linux.dev,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Robin Murphy <robin.murphy@arm.com>
Subject: Re: [PATCH -fixes] dma-mapping: add default implementation to arch_dma_{set|clear}_uncached
Date: Tue, 9 Jul 2024 13:46:29 +0200 [thread overview]
Message-ID: <20240709114629.GB6959@lst.de> (raw)
In-Reply-To: <tencent_651BC4D11C9730062064ACB186AF4A904005@qq.com>
On Tue, Jul 09, 2024 at 07:39:29PM +0800, Yangyu Chen wrote:
> The reason is that some optimizations failed to apply after adding
> some passes. I will fix the compiler later. Whatever, we should not
> rely on this optimization to get the code being successfully compiled.
The Linux kernel relies on constant propagation and dead code
eliminiation a lot to make code simpler and more readable.
next prev parent reply other threads:[~2024-07-09 11:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-09 9:25 [PATCH -fixes] dma-mapping: add default implementation to arch_dma_{set|clear}_uncached Yangyu Chen
2024-07-09 11:19 ` Christoph Hellwig
2024-07-09 11:39 ` Yangyu Chen
2024-07-09 11:46 ` Christoph Hellwig [this message]
2024-07-09 12:22 ` Yangyu Chen
2024-07-09 15:52 ` Robin Murphy
2024-07-09 16:29 ` Yangyu Chen
2024-07-09 11:53 ` Robin Murphy
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