IB/qib: Delete struct qib_ivdev.qp_rnd
I was checking the field to see if it needed the full get_random_bytes() and discovered it's unused. Only compile-tested, as I don't have the hardware, but I'm still pretty confident. Link: https://lore.kernel.org/r/202003281643.02SGh6eG002694@sdf.org Signed-off-by: George Spelvin <lkml@sdf.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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@ -39,7 +39,6 @@
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#include <linux/utsname.h>
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#include <linux/utsname.h>
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#include <linux/rculist.h>
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#include <linux/rculist.h>
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#include <linux/mm.h>
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#include <linux/mm.h>
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#include <linux/random.h>
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#include <linux/vmalloc.h>
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#include <linux/vmalloc.h>
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#include <rdma/rdma_vt.h>
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#include <rdma/rdma_vt.h>
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@ -1503,7 +1502,6 @@ int qib_register_ib_device(struct qib_devdata *dd)
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unsigned i, ctxt;
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unsigned i, ctxt;
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int ret;
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int ret;
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get_random_bytes(&dev->qp_rnd, sizeof(dev->qp_rnd));
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for (i = 0; i < dd->num_pports; i++)
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for (i = 0; i < dd->num_pports; i++)
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init_ibport(ppd + i);
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init_ibport(ppd + i);
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@ -177,7 +177,6 @@ struct qib_ibdev {
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struct timer_list mem_timer;
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struct timer_list mem_timer;
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struct qib_pio_header *pio_hdrs;
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struct qib_pio_header *pio_hdrs;
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dma_addr_t pio_hdrs_phys;
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dma_addr_t pio_hdrs_phys;
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u32 qp_rnd; /* random bytes for hash */
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u32 n_piowait;
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u32 n_piowait;
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u32 n_txwait;
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u32 n_txwait;
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