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| author | Stefan Raspl <raspl@linux.ibm.com> | 2022-07-25 16:09:59 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-07-27 13:24:42 +0100 |
| commit | 8b2fed8e2712e8c23665df3c9e0fbabbb76e466c (patch) | |
| tree | 829e008464579991cb571e14171bdbe7a8176327 /drivers/s390/net/ism_drv.c | |
| parent | 0a2f4f9893c83bd722bd55a903fb682da2eb24ba (diff) | |
| download | linux-stable-8b2fed8e2712e8c23665df3c9e0fbabbb76e466c.tar.gz linux-stable-8b2fed8e2712e8c23665df3c9e0fbabbb76e466c.tar.bz2 linux-stable-8b2fed8e2712e8c23665df3c9e0fbabbb76e466c.zip | |
net/smc: Pass on DMBE bit mask in IRQ handler
Make the DMBE bits, which are passed on individually in ism_move() as
parameter idx, available to the receiver.
Signed-off-by: Stefan Raspl <raspl@linux.ibm.com>
Signed-off-by: Wenjia Zhang < wenjia@linux.ibm.com>
Reviewed-by: Tony Lu <tonylu@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/net/ism_drv.c')
| -rw-r--r-- | drivers/s390/net/ism_drv.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c index 4665e9a0e048..d34bb6ec1490 100644 --- a/drivers/s390/net/ism_drv.c +++ b/drivers/s390/net/ism_drv.c @@ -443,6 +443,7 @@ static irqreturn_t ism_handle_irq(int irq, void *data) struct ism_dev *ism = data; unsigned long bit, end; unsigned long *bv; + u16 dmbemask; bv = (void *) &ism->sba->dmb_bits[ISM_DMB_WORD_OFFSET]; end = sizeof(ism->sba->dmb_bits) * BITS_PER_BYTE - ISM_DMB_BIT_OFFSET; @@ -456,9 +457,10 @@ static irqreturn_t ism_handle_irq(int irq, void *data) break; clear_bit_inv(bit, bv); + dmbemask = ism->sba->dmbe_mask[bit + ISM_DMB_BIT_OFFSET]; ism->sba->dmbe_mask[bit + ISM_DMB_BIT_OFFSET] = 0; barrier(); - smcd_handle_irq(ism->smcd, bit + ISM_DMB_BIT_OFFSET); + smcd_handle_irq(ism->smcd, bit + ISM_DMB_BIT_OFFSET, dmbemask); } if (ism->sba->e) { |