From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org,
Christoph Hellwig <hch@lst.de>,
Robin Murphy <robin.murphy@arm.com>,
netdev@vger.kernel.org, Jakub Kicinski <kuba@kernel.org>
Subject: Re: [PATCH] dma-mapping: avoid potential unused data compilation warning
Date: Tue, 15 Apr 2025 12:39:50 +0300 [thread overview]
Message-ID: <Z_4pZm_tQ6qmmj35@smile.fi.intel.com> (raw)
In-Reply-To: <20250415075659.428549-1-m.szyprowski@samsung.com>
On Tue, Apr 15, 2025 at 09:56:59AM +0200, Marek Szyprowski wrote:
> When CONFIG_NEED_DMA_MAP_STATE is not defined, dma-mapping clients might
> report unused data compilation warnings for dma_unmap_*() calls
> arguments. Redefine macros for those calls to let compiler to notice that
> it is okay when the provided arguments are not used.
Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
(GCC on default i386_defconfig with `make W=1` on v6.15-rc2)
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2025-04-15 9:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20250415075716eucas1p1a5343f5dec617f82f5adca300eb47485@eucas1p1.samsung.com>
2025-04-15 7:56 ` [PATCH] dma-mapping: avoid potential unused data compilation warning Marek Szyprowski
2025-04-15 9:39 ` Andy Shevchenko [this message]
2025-04-18 6:19 ` Marek Szyprowski
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