Re: [PATCH 07/22] fbdev: mx3fb: Don't use GFP_DMA when calling dma_alloc_wc()

[PATCH 00/22] Don't use kmalloc() with GFP_DMA · Baoquan He <hidden> · 2022-02-19
[PATCH 01/22] parisc: pci-dma: remove stale code and comment · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 01/22] parisc: pci-dma: remove stale code and comment · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 02/22] net: moxa: Don't use GFP_DMA when calling dma_alloc_coherent() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 02/22] net: moxa: Don't use GFP_DMA when calling dma_alloc_coherent() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 03/22] gpu: ipu-v3: Don't use GFP_DMA when calling dma_alloc_coherent() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 03/22] gpu: ipu-v3: Don't use GFP_DMA when calling dma_alloc_coherent() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 04/22] drm/sti: Don't use GFP_DMA when calling dma_alloc_wc() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 04/22] drm/sti: Don't use GFP_DMA when calling dma_alloc_wc() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 05/22] sound: n64: Don't use GFP_DMA when calling dma_alloc_coherent() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 05/22] sound: n64: Don't use GFP_DMA when calling dma_alloc_coherent() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 06/22] fbdev: da8xx: Don't use GFP_DMA when calling dma_alloc_coherent() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 06/22] fbdev: da8xx: Don't use GFP_DMA when calling dma_alloc_coherent() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 07/22] fbdev: mx3fb: Don't use GFP_DMA when calling dma_alloc_wc() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 07/22] fbdev: mx3fb: Don't use GFP_DMA when calling dma_alloc_wc() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 08/22] usb: gadget: lpc32xx_udc: Don't use GFP_DMA when calling dma_alloc_coherent() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 08/22] usb: gadget: lpc32xx_udc: Don't use GFP_DMA when calling dma_alloc_coherent() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 09/22] usb: cdns3: Don't use GFP_DMA when calling dma_alloc_coherent() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 09/22] usb: cdns3: Don't use GFP_DMA when calling dma_alloc_coherent() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 10/22] uio: pruss: Don't use GFP_DMA when calling dma_alloc_coherent() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 10/22] uio: pruss: Don't use GFP_DMA when calling dma_alloc_coherent() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 11/22] staging: emxx_udc: Don't use GFP_DMA when calling dma_alloc_coherent() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 11/22] staging: emxx_udc: Don't use GFP_DMA when calling dma_alloc_coherent() · Wolfram Sang <wsa@kernel.org> · 2022-02-19
Re: [PATCH 11/22] staging: emxx_udc: Don't use GFP_DMA when calling dma_alloc_coherent() · Baoquan He <hidden> · 2022-02-20
Re: [PATCH 11/22] staging: emxx_udc: Don't use GFP_DMA when calling dma_alloc_coherent() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 13/22] spi: atmel: Don't use GFP_DMA when calling dma_alloc_coherent() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 13/22] spi: atmel: Don't use GFP_DMA when calling dma_alloc_coherent() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 14/22] spi: spi-ti-qspi: Don't use GFP_DMA when calling dma_alloc_coherent() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 14/22] spi: spi-ti-qspi: Don't use GFP_DMA when calling dma_alloc_coherent() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 15/22] usb: cdns3: Don't use GFP_DMA32 when calling dma_pool_alloc() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 15/22] usb: cdns3: Don't use GFP_DMA32 when calling dma_pool_alloc() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 12/22] staging: emxx_udc: Don't use GFP_DMA when calling dma_alloc_coherent() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 12/22] staging: emxx_udc: Don't use GFP_DMA when calling dma_alloc_coherent() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 16/22] usb: udc: lpc32xx: Don't use GFP_DMA when calling dma_pool_alloc() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 16/22] usb: udc: lpc32xx: Don't use GFP_DMA when calling dma_pool_alloc() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 17/22] net: marvell: prestera: Don't use GFP_DMA when calling dma_pool_alloc() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 17/22] net: marvell: prestera: Don't use GFP_DMA when calling dma_pool_alloc() · Jakub Kicinski <kuba@kernel.org> · 2022-02-19
Re: [PATCH 17/22] net: marvell: prestera: Don't use GFP_DMA when calling dma_pool_alloc() · Baoquan He <hidden> · 2022-02-20
Re: [PATCH 17/22] net: marvell: prestera: Don't use GFP_DMA when calling dma_pool_alloc() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 18/22] net: ethernet: mtk-star-emac: Don't use GFP_DMA when calling dmam_alloc_coherent() · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 18/22] net: ethernet: mtk-star-emac: Don't use GFP_DMA when calling dmam_alloc_coherent() · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 19/22] ethernet: rocker: Use dma_alloc_noncoherent() for dma buffer · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 19/22] ethernet: rocker: Use dma_alloc_noncoherent() for dma buffer · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 20/22] HID: intel-ish-hid: Use dma_alloc_noncoherent() for dma buffer · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 20/22] HID: intel-ish-hid: Use dma_alloc_noncoherent() for dma buffer · Christoph Hellwig <hch@lst.de> · 2022-02-19
[PATCH 21/22] mmc: wbsd: Use dma_alloc_noncoherent() for dma buffer · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 21/22] mmc: wbsd: Use dma_alloc_noncoherent() for dma buffer · Christoph Hellwig <hch@lst.de> · 2022-02-19
Re: [PATCH 21/22] mmc: wbsd: Use dma_alloc_noncoherent() for dma buffer · Baoquan He <hidden> · 2022-02-20
Re: [PATCH 21/22] mmc: wbsd: Use dma_alloc_noncoherent() for dma buffer · Christoph Hellwig <hch@lst.de> · 2022-02-22
Re: [PATCH 21/22] mmc: wbsd: Use dma_alloc_noncoherent() for dma buffer · Baoquan He <hidden> · 2022-02-22
Re: [PATCH 21/22] mmc: wbsd: Use dma_alloc_noncoherent() for dma buffer · Christoph Hellwig <hch@lst.de> · 2022-02-22
Re: [PATCH 21/22] mmc: wbsd: Use dma_alloc_noncoherent() for dma buffer · Baoquan He <hidden> · 2022-02-22
[PATCH 1/2] dma-mapping: check dma_mask for streaming mapping allocs · Baoquan He <hidden> · 2022-02-22
Re: [PATCH 1/2] dma-mapping: check dma_mask for streaming mapping allocs · Christoph Hellwig <hch@lst.de> · 2022-02-22
Re: [PATCH 1/2] dma-mapping: check dma_mask for streaming mapping allocs · Baoquan He <hidden> · 2022-02-23
Re: [PATCH 1/2] dma-mapping: check dma_mask for streaming mapping allocs · Christoph Hellwig <hch@lst.de> · 2022-02-23
RE: [PATCH 1/2] dma-mapping: check dma_mask for streaming mapping allocs · David Laight <hidden> · 2022-02-23
Re: [PATCH 1/2] dma-mapping: check dma_mask for streaming mapping allocs · Baoquan He <hidden> · 2022-02-24
RE: [PATCH 1/2] dma-mapping: check dma_mask for streaming mapping allocs · David Laight <hidden> · 2022-02-24
Re: [PATCH 1/2] dma-mapping: check dma_mask for streaming mapping allocs · 'Baoquan He' <hidden> · 2022-02-25
[PATCH 2/2] kernel/dma: rename dma_alloc_direct and dma_map_direct · Baoquan He <hidden> · 2022-02-22
Re: [PATCH 2/2] kernel/dma: rename dma_alloc_direct and dma_map_direct · Christoph Hellwig <hch@lst.de> · 2022-02-22
[PATCH 22/22] mtd: rawnand: Use dma_alloc_noncoherent() for dma buffer · Baoquan He <hidden> · 2022-02-19
Re: [PATCH 22/22] mtd: rawnand: Use dma_alloc_noncoherent() for dma buffer · Christoph Hellwig <hch@lst.de> · 2022-02-19
Re: [PATCH 22/22] mtd: rawnand: Use dma_alloc_noncoherent() for dma buffer · Hyeonggon Yoo <hidden> · 2022-02-19
Re: [PATCH 22/22] mtd: rawnand: Use dma_alloc_noncoherent() for dma buffer · Christoph Hellwig <hch@lst.de> · 2022-02-22
RE: [PATCH 22/22] mtd: rawnand: Use dma_alloc_noncoherent() for dma buffer · David Laight <hidden> · 2022-02-22
Re: [PATCH 22/22] mtd: rawnand: Use dma_alloc_noncoherent() for dma buffer · 'Christoph Hellwig' <hch@lst.de> · 2022-02-22
Re: [PATCH 00/22] Don't use kmalloc() with GFP_DMA · Heiko Carstens <hca@linux.ibm.com> · 2022-02-21
Re: [PATCH 00/22] Don't use kmalloc() with GFP_DMA · Christoph Hellwig <hch@lst.de> · 2022-02-22
Re: [PATCH 00/22] Don't use kmalloc() with GFP_DMA · Baoquan He <hidden> · 2022-02-22
Re: [PATCH 00/22] Don't use kmalloc() with GFP_DMA · Baoquan He <hidden> · 2022-02-22
Re: [PATCH 00/22] Don't use kmalloc() with GFP_DMA · Heiko Carstens <hca@linux.ibm.com> · 2022-02-23
Re: [PATCH 00/22] Don't use kmalloc() with GFP_DMA · Christoph Hellwig <hch@lst.de> · 2022-02-24

From: Christoph Hellwig <hch@lst.de>
Date: 2022-02-19 07:09:09
Also in: linux-crypto, linux-i2c, linux-mm, linux-s390, lkml

On Sat, Feb 19, 2022 at 08:52:06AM +0800, Baoquan He wrote:

dma_alloc_coherent() allocates dma buffer with device's addressing
limitation in mind. It's redundent to specify GFP_DMA when calling
dma_alloc_coherent().

Looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>

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