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milos-linux/drivers/s390/cio
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Peter Oberparleiter ea34567db0 s390/cio: Restore GFP_DMA for CHSC allocation 
Re-add GFP_DMA when allocating memory for CHSC control blocks.
On some supported machines, CHSC cannot access memory outside
the DMA zone, causing CHSC command failures.

Cc: stable@vger.kernel.org
Fixes: a3a64a4def ("s390/cio: remove unneeded DMA zone allocation")
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
2026-05-11 16:27:25 +02:00
..
airq.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
blacklist.c kernel.h: drop hex.h and update all hex.h users 2026-01-20 19:44:19 -08:00
blacklist.h
ccwgroup.c Convert 'alloc_flex' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
ccwreq.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
chp.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
chp.h
chsc.c s390/cio: Restore GFP_DMA for CHSC allocation 2026-05-11 16:27:25 +02:00
chsc.h
chsc_sch.c s390/cio: Restore GFP_DMA for CHSC allocation 2026-05-11 16:27:25 +02:00
chsc_sch.h
cio.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
cio.h s390/cio: use generic driver_override infrastructure 2026-04-04 00:48:40 +02:00
cio_debug.h
cio_debugfs.c
cio_inject.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
cio_inject.h
cmf.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
crw.c
css.c s390/cio: use generic driver_override infrastructure 2026-04-04 00:48:40 +02:00
css.h
device.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
device.h
device_fsm.c s390/drivers: Explicitly include <linux/export.h> 2025-06-17 18:18:02 +02:00
device_id.c s390: Convert MACHINE_IS_[LPAR|VM|KVM], etc, machine_is_[lpar|vm|kvm]() 2025-03-04 17:18:07 +01:00
device_ops.c
device_pgid.c
device_status.c s390/cio: Use scnprintf() instead of sprintf() 2025-10-21 10:17:30 +02:00
eadm_sch.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
eadm_sch.h
fcx.c s390/drivers: Explicitly include <linux/export.h> 2025-06-17 18:18:02 +02:00
idset.c
idset.h
io_sch.h
ioasm.c s390/cio/ioasm: Fix __xsch() condition code handling 2025-09-29 13:52:08 +02:00
ioasm.h
isc.c s390/drivers: Explicitly include <linux/export.h> 2025-06-17 18:18:02 +02:00
itcw.c s390/drivers: Explicitly include <linux/export.h> 2025-06-17 18:18:02 +02:00
Makefile
orb.h
qdio.h
qdio_debug.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
qdio_debug.h
qdio_main.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
qdio_setup.c
qdio_thinint.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
scm.c s390/cio: Restore GFP_DMA for CHSC allocation 2026-05-11 16:27:25 +02:00
trace.c
trace.h
vfio_ccw_async.c
vfio_ccw_chp.c
vfio_ccw_cp.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
vfio_ccw_cp.h
vfio_ccw_drv.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
vfio_ccw_fsm.c
vfio_ccw_ops.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
vfio_ccw_private.h
vfio_ccw_trace.c
vfio_ccw_trace.h