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[RFC,1/8] IB/srp: always avoid non-zero offsets into an FMR

Message ID 1295411242-26148-2-git-send-email-dillowda@ornl.gov (mailing list archive)
State RFC, archived
Headers show

Commit Message

David Dillow Jan. 19, 2011, 4:27 a.m. UTC
None
diff mbox

Patch

diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 83664ed..197e26c 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -72,12 +72,6 @@  module_param(topspin_workarounds, int, 0444);
 MODULE_PARM_DESC(topspin_workarounds,
 		 "Enable workarounds for Topspin/Cisco SRP target bugs if != 0");
 
-static int mellanox_workarounds = 1;
-
-module_param(mellanox_workarounds, int, 0444);
-MODULE_PARM_DESC(mellanox_workarounds,
-		 "Enable workarounds for Mellanox SRP target bugs if != 0");
-
 static void srp_add_one(struct ib_device *device);
 static void srp_remove_one(struct ib_device *device);
 static void srp_recv_completion(struct ib_cq *cq, void *target_ptr);
@@ -114,14 +108,6 @@  static int srp_target_is_topspin(struct srp_target_port *target)
 		 !memcmp(&target->ioc_guid, cisco_oui, sizeof cisco_oui));
 }
 
-static int srp_target_is_mellanox(struct srp_target_port *target)
-{
-	static const u8 mellanox_oui[3] = { 0x00, 0x02, 0xc9 };
-
-	return mellanox_workarounds &&
-		!memcmp(&target->ioc_guid, mellanox_oui, sizeof mellanox_oui);
-}
-
 static struct srp_iu *srp_alloc_iu(struct srp_host *host, size_t size,
 				   gfp_t gfp_mask,
 				   enum dma_data_direction direction)
@@ -662,8 +648,7 @@  static int srp_map_fmr(struct srp_target_port *target, struct scatterlist *scat,
 	if (!dev->fmr_pool)
 		return -ENODEV;
 
-	if (srp_target_is_mellanox(target) &&
-	    (ib_sg_dma_address(ibdev, &scat[0]) & ~dev->fmr_page_mask))
+	if (ib_sg_dma_address(ibdev, &scat[0]) & ~dev->fmr_page_mask)
 		return -EINVAL;
 
 	len = page_cnt = 0;