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s390 updates for 6.7-rc7

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- Fix virtual vs physical address confusion in Storage Class Memory
   (SCM) block device driver.
 
 - Fix saving and restoring of FPU kernel context, which could lead
   to corruption of vector registers 8-15.
 
 - Update defconfigs.
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Merge tag 's390-6.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Alexander Gordeev:

 - Fix virtual vs physical address confusion in Storage Class Memory
   (SCM) block device driver.

 - Fix saving and restoring of FPU kernel context, which could lead to
   corruption of vector registers 8-15

 - Update defconfigs

* tag 's390-6.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390: update defconfigs
  s390/vx: fix save/restore of fpu kernel context
  s390/scm: fix virtual vs physical address confusion
This commit is contained in:
Linus Torvalds 2023-12-20 16:12:39 -08:00
commit 1bf5c89256
5 changed files with 16 additions and 14 deletions
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9
arch/s390/configs/debug_defconfig
View file

@ -44,8 +44,7 @@ CONFIG_KEXEC_FILE=y
CONFIG_KEXEC_SIG=y
CONFIG_CRASH_DUMP=y
CONFIG_LIVEPATCH=y
CONFIG_MARCH_ZEC12=y
CONFIG_TUNE_ZEC12=y
CONFIG_MARCH_Z13=y
CONFIG_NR_CPUS=512
CONFIG_NUMA=y
CONFIG_HZ_100=y
@ -76,7 +75,6 @@ CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODULE_UNLOAD_TAINT_TRACKING=y
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
CONFIG_MODULE_SIG_SHA256=y
CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_CGROUP_IOLATENCY=y
@ -93,6 +91,7 @@ CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_IOSCHED_BFQ=y
CONFIG_BINFMT_MISC=m
CONFIG_ZSWAP=y
CONFIG_ZSWAP_ZPOOL_DEFAULT_ZBUD=y
CONFIG_ZSMALLOC_STAT=y
CONFIG_SLUB_STATS=y
# CONFIG_COMPAT_BRK is not set
@ -619,6 +618,9 @@ CONFIG_BTRFS_FS_POSIX_ACL=y
CONFIG_BTRFS_DEBUG=y
CONFIG_BTRFS_ASSERT=y
CONFIG_NILFS2_FS=m
CONFIG_BCACHEFS_FS=y
CONFIG_BCACHEFS_QUOTA=y
CONFIG_BCACHEFS_POSIX_ACL=y
CONFIG_FS_DAX=y
CONFIG_EXPORTFS_BLOCK_OPS=y
CONFIG_FS_ENCRYPTION=y
@ -691,7 +693,6 @@ CONFIG_PERSISTENT_KEYRINGS=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_KEY_NOTIFICATIONS=y
CONFIG_SECURITY=y
CONFIG_SECURITY_NETWORK=y
CONFIG_HARDENED_USERCOPY=y
CONFIG_FORTIFY_SOURCE=y
CONFIG_SECURITY_SELINUX=y

9
arch/s390/configs/defconfig
View file

@ -42,8 +42,7 @@ CONFIG_KEXEC_FILE=y
CONFIG_KEXEC_SIG=y
CONFIG_CRASH_DUMP=y
CONFIG_LIVEPATCH=y
CONFIG_MARCH_ZEC12=y
CONFIG_TUNE_ZEC12=y
CONFIG_MARCH_Z13=y
CONFIG_NR_CPUS=512
CONFIG_NUMA=y
CONFIG_HZ_100=y
@ -71,7 +70,6 @@ CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODULE_UNLOAD_TAINT_TRACKING=y
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
CONFIG_MODULE_SIG_SHA256=y
CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_CGROUP_IOLATENCY=y
@ -88,6 +86,7 @@ CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_IOSCHED_BFQ=y
CONFIG_BINFMT_MISC=m
CONFIG_ZSWAP=y
CONFIG_ZSWAP_ZPOOL_DEFAULT_ZBUD=y
CONFIG_ZSMALLOC_STAT=y
# CONFIG_COMPAT_BRK is not set
CONFIG_MEMORY_HOTPLUG=y
@ -605,6 +604,9 @@ CONFIG_OCFS2_FS=m
CONFIG_BTRFS_FS=y
CONFIG_BTRFS_FS_POSIX_ACL=y
CONFIG_NILFS2_FS=m
CONFIG_BCACHEFS_FS=m
CONFIG_BCACHEFS_QUOTA=y
CONFIG_BCACHEFS_POSIX_ACL=y
CONFIG_FS_DAX=y
CONFIG_EXPORTFS_BLOCK_OPS=y
CONFIG_FS_ENCRYPTION=y
@ -677,7 +679,6 @@ CONFIG_PERSISTENT_KEYRINGS=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_KEY_NOTIFICATIONS=y
CONFIG_SECURITY=y
CONFIG_SECURITY_NETWORK=y
CONFIG_SECURITY_SELINUX=y
CONFIG_SECURITY_SELINUX_BOOTPARAM=y
CONFIG_SECURITY_LOCKDOWN_LSM=y

3
arch/s390/configs/zfcpdump_defconfig
View file

@ -9,8 +9,7 @@ CONFIG_BPF_SYSCALL=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_CRASH_DUMP=y
CONFIG_MARCH_ZEC12=y
CONFIG_TUNE_ZEC12=y
CONFIG_MARCH_Z13=y
# CONFIG_COMPAT is not set
CONFIG_NR_CPUS=2
CONFIG_HZ_100=y

2
arch/s390/include/asm/fpu/api.h
View file

@ -79,7 +79,7 @@ static inline int test_fp_ctl(u32 fpc)
#define KERNEL_VXR_HIGH (KERNEL_VXR_V16V23|KERNEL_VXR_V24V31)
#define KERNEL_VXR (KERNEL_VXR_LOW|KERNEL_VXR_HIGH)
#define KERNEL_FPR (KERNEL_FPC|KERNEL_VXR_V0V7)
#define KERNEL_FPR (KERNEL_FPC|KERNEL_VXR_LOW)
struct kernel_fpu;

7
drivers/s390/block/scm_blk.c
View file

@ -17,6 +17,7 @@
#include <linux/blk-mq.h>
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/io.h>
#include <asm/eadm.h>
#include "scm_blk.h"
@ -130,7 +131,7 @@ static void scm_request_done(struct scm_request *scmrq)
for (i = 0; i < nr_requests_per_io && scmrq->request[i]; i++) {
msb = &scmrq->aob->msb[i];
aidaw = msb->data_addr;
aidaw = (u64)phys_to_virt(msb->data_addr);
if ((msb->flags & MSB_FLAG_IDA) && aidaw &&
IS_ALIGNED(aidaw, PAGE_SIZE))
@ -195,12 +196,12 @@ static int scm_request_prepare(struct scm_request *scmrq)
msb->scm_addr = scmdev->address + ((u64) blk_rq_pos(req) << 9);
msb->oc = (rq_data_dir(req) == READ) ? MSB_OC_READ : MSB_OC_WRITE;
msb->flags |= MSB_FLAG_IDA;
msb->data_addr = (u64) aidaw;
msb->data_addr = (u64)virt_to_phys(aidaw);
rq_for_each_segment(bv, req, iter) {
WARN_ON(bv.bv_offset);
msb->blk_count += bv.bv_len >> 12;
aidaw->data_addr = (u64) page_address(bv.bv_page);
aidaw->data_addr = virt_to_phys(page_address(bv.bv_page));
aidaw++;
}