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authorStefan Raspl <raspl@linux.ibm.com>2022-07-25 16:09:59 +0200
committerDavid S. Miller <davem@davemloft.net>2022-07-27 13:24:42 +0100
commit8b2fed8e2712e8c23665df3c9e0fbabbb76e466c (patch)
tree829e008464579991cb571e14171bdbe7a8176327 /drivers/s390
parent0a2f4f9893c83bd722bd55a903fb682da2eb24ba (diff)
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')
-rw-r--r--drivers/s390/net/ism_drv.c4
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) {