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x86/dma: Remove dma_alloc_coherent_gfp_flags()

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All dma_ops implementations used on x86 now take care of setting their own
required GFP_ masks for the allocation.  And given that the common code
now clears harmful flags itself that means we can stop the flags in all
the IOMMU implementations as well.

Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Jon Mason <jdmason@kudzu.us>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Muli Ben-Yehuda <mulix@mulix.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: iommu@lists.linux-foundation.org
Link: http://lkml.kernel.org/r/20180319103826.12853-10-hch@lst.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Christoph Hellwig
2018-03-19 11:38:21 +01:00
committed by Ingo Molnar
parent d657c5c73c
commit 178c568244
4 changed files with 0 additions and 22 deletions
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7
arch/x86/mm/mem_encrypt.c
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@@ -203,13 +203,6 @@ static void *sev_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
void *vaddr = NULL;
order = get_order(size);
/*
* Memory will be memset to zero after marking decrypted, so don't
* bother clearing it before.
*/
gfp &= ~__GFP_ZERO;
page = alloc_pages_node(dev_to_node(dev), gfp, order);
if (page) {
dma_addr_t addr;