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X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org BLK_FEAT_NOWAIT and BLK_FEAT_POLL are cleared in blk_stack_limits() when an underlying device does not support them. Apply the same treatment to BLK_FEAT_PCI_P2PDMA: stacking drivers set it unconditionally and rely on the core to clear it whenever a non-supporting member device is stacked. Signed-off-by: Chaitanya Kulkarni --- block/blk-settings.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/block/blk-settings.c b/block/blk-settings.c index 78c83817b9d3..8274631290db 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -795,6 +795,8 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, t->features &= ~BLK_FEAT_NOWAIT; if (!(b->features & BLK_FEAT_POLL)) t->features &= ~BLK_FEAT_POLL; + if (!(b->features & BLK_FEAT_PCI_P2PDMA)) + t->features &= ~BLK_FEAT_PCI_P2PDMA; t->flags |= (b->flags & BLK_FLAG_MISALIGNED); -- 2.39.5