From d1bf85902c28dd990c08f1703ea94109223549a7 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Fri, 26 Feb 2010 22:37:30 +0100 Subject: [S390] cio: fix storage key handling Some parts of cio do not shift PAGE_DEFAULT_KEY correctly and end up with an incorrect key in their data structures. Since the default key is zero this doesn't really matter. However if somebody would use key-controlled protection for debugging purposes it would be quite helpful if all of this would work as expected. Also remove a stale declaration. Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/qdio_setup.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers/s390/cio/qdio_setup.c') diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index 8c2dea5..4464907 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -333,10 +333,10 @@ static void __qdio_allocate_fill_qdr(struct qdio_irq *irq_ptr, irq_ptr->qdr->qdf0[i + nr].slsba = (unsigned long)&irq_ptr_qs[i]->slsb.val[0]; - irq_ptr->qdr->qdf0[i + nr].akey = PAGE_DEFAULT_KEY; - irq_ptr->qdr->qdf0[i + nr].bkey = PAGE_DEFAULT_KEY; - irq_ptr->qdr->qdf0[i + nr].ckey = PAGE_DEFAULT_KEY; - irq_ptr->qdr->qdf0[i + nr].dkey = PAGE_DEFAULT_KEY; + irq_ptr->qdr->qdf0[i + nr].akey = PAGE_DEFAULT_KEY >> 4; + irq_ptr->qdr->qdf0[i + nr].bkey = PAGE_DEFAULT_KEY >> 4; + irq_ptr->qdr->qdf0[i + nr].ckey = PAGE_DEFAULT_KEY >> 4; + irq_ptr->qdr->qdf0[i + nr].dkey = PAGE_DEFAULT_KEY >> 4; } static void setup_qdr(struct qdio_irq *irq_ptr, @@ -350,7 +350,7 @@ static void setup_qdr(struct qdio_irq *irq_ptr, irq_ptr->qdr->iqdsz = sizeof(struct qdesfmt0) / 4; /* size in words */ irq_ptr->qdr->oqdsz = sizeof(struct qdesfmt0) / 4; irq_ptr->qdr->qiba = (unsigned long)&irq_ptr->qib; - irq_ptr->qdr->qkey = PAGE_DEFAULT_KEY; + irq_ptr->qdr->qkey = PAGE_DEFAULT_KEY >> 4; for (i = 0; i < qdio_init->no_input_qs; i++) __qdio_allocate_fill_qdr(irq_ptr, irq_ptr->input_qs, i, 0); -- cgit v1.1