diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-03-31 09:29:59 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-04-06 09:28:17 -0600 |
| commit | ce288e0535688cc3475a3c3d4d96624514c3550c (patch) | |
| tree | 41ac394debd88e09edd6c123757b96fb92d09110 /block/blk-settings.c | |
| parent | aaff5ebaa2694f283b7d07fdd55fb287ffc4f1e9 (diff) | |
block: remove BLK_BOUNCE_ISA support
Remove the BLK_BOUNCE_ISA support now that all users are gone.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20210331073001.46776-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-settings.c')
| -rw-r--r-- | block/blk-settings.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c index b4aa2f37fab6..f9937dd2810e 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -103,28 +103,17 @@ EXPORT_SYMBOL(blk_set_stacking_limits); void blk_queue_bounce_limit(struct request_queue *q, u64 max_addr) { unsigned long b_pfn = max_addr >> PAGE_SHIFT; - int dma = 0; - q->bounce_gfp = GFP_NOIO; #if BITS_PER_LONG == 64 /* * Assume anything <= 4GB can be handled by IOMMU. Actually * some IOMMUs can handle everything, but I don't know of a * way to test this here. */ - if (b_pfn < (min_t(u64, 0xffffffffUL, BLK_BOUNCE_HIGH) >> PAGE_SHIFT)) - dma = 1; q->limits.bounce_pfn = max(max_low_pfn, b_pfn); #else - if (b_pfn < blk_max_low_pfn) - dma = 1; q->limits.bounce_pfn = b_pfn; #endif - if (dma) { - init_emergency_isa_pool(); - q->bounce_gfp = GFP_NOIO | GFP_DMA; - q->limits.bounce_pfn = b_pfn; - } } EXPORT_SYMBOL(blk_queue_bounce_limit); |