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authorLinus Torvalds <torvalds@linux-foundation.org>2019-07-13 01:39:22 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-13 01:39:22 +0300
commitaabfea8dc91cf5b220d2ed85e8f6395a9b140371 (patch)
tree00172545b50105dbbc6a1d4fceecd415ddb7e9bf /arch/s390/kernel
parent7181feb9b7837a1e107123cc16552d42d922def6 (diff)
parent9a159190414d461fdac7ae5bb749c2d532b35419 (diff)
downloadlinux-aabfea8dc91cf5b220d2ed85e8f6395a9b140371.tar.xz
Merge tag 's390-5.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Vasily Gorbik: - Fix integer overflow during stack frame unwind with invalid backchain. - Cleanup unused symbol export in zcrypt code. - Fix MIO addressing control activation in PCI code and expose its usage via sysfs. - Fix kernel image signature verification report presence detection. - Fix irq registration in vfio-ap code. - Add CPU measurement counters for newer machines. - Add base DASD thin provisioning support and code cleanups. * tag 's390-5.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (21 commits) s390/unwind: avoid int overflow in outside_of_stack s390/zcrypt: remove the exporting of ap_query_configuration s390/pci: add mio_enabled attribute s390: fix setting of mio addressing control s390/ipl: Fix detection of has_secure attribute s390: vfio-ap: fix irq registration s390/cpumf: Add extended counter set definitions for model 8561 and 8562 s390/dasd: Handle out-of-space constraint s390/dasd: Add discard support for ESE volumes s390/dasd: Use ALIGN_DOWN macro s390/dasd: Make dasd_setup_queue() a discipline function s390/dasd: Add new ioctl to release space s390/dasd: Add dasd_sleep_on_queue_interruptible() s390/dasd: Add missing intensity definition s390/dasd: Fix whitespace s390/dasd: Add dynamic formatting support for ESE volumes s390/dasd: Recognise data for ESE volumes s390/dasd: Put sub-order definitions in a separate section s390/dasd: Make layout analysis ESE compatible s390/dasd: Remove old defines and function ...
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/early.c2
-rw-r--r--arch/s390/kernel/ipl.c7
-rw-r--r--arch/s390/kernel/perf_cpum_cf_events.c2
-rw-r--r--arch/s390/kernel/unwind_bc.c2
4 files changed, 4 insertions, 9 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 629f173f60cd..6312fed48530 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -30,7 +30,6 @@
#include <asm/sclp.h>
#include <asm/facility.h>
#include <asm/boot_data.h>
-#include <asm/pci_insn.h>
#include "entry.h"
/*
@@ -236,7 +235,6 @@ static __init void detect_machine_facilities(void)
clock_comparator_max = -1ULL >> 1;
__ctl_set_bit(0, 53);
}
- enable_mio_ctl();
}
static inline void save_vector_registers(void)
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index d836af3ccc38..2c0a515428d6 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -286,12 +286,7 @@ static struct kobj_attribute sys_ipl_secure_attr =
static ssize_t ipl_has_secure_show(struct kobject *kobj,
struct kobj_attribute *attr, char *page)
{
- if (MACHINE_IS_LPAR)
- return sprintf(page, "%i\n", !!sclp.has_sipl);
- else if (MACHINE_IS_VM)
- return sprintf(page, "%i\n", !!sclp.has_sipl_g2);
- else
- return sprintf(page, "%i\n", 0);
+ return sprintf(page, "%i\n", !!sclp.has_sipl);
}
static struct kobj_attribute sys_ipl_has_secure_attr =
diff --git a/arch/s390/kernel/perf_cpum_cf_events.c b/arch/s390/kernel/perf_cpum_cf_events.c
index 34cc96449b30..8b33e03e47b8 100644
--- a/arch/s390/kernel/perf_cpum_cf_events.c
+++ b/arch/s390/kernel/perf_cpum_cf_events.c
@@ -624,6 +624,8 @@ __init const struct attribute_group **cpumf_cf_event_group(void)
break;
case 0x3906:
case 0x3907:
+ case 0x8561:
+ case 0x8562:
model = cpumcf_z14_pmu_event_attr;
break;
default:
diff --git a/arch/s390/kernel/unwind_bc.c b/arch/s390/kernel/unwind_bc.c
index 3ce8a0808059..8fc9daae47a2 100644
--- a/arch/s390/kernel/unwind_bc.c
+++ b/arch/s390/kernel/unwind_bc.c
@@ -20,7 +20,7 @@ EXPORT_SYMBOL_GPL(unwind_get_return_address);
static bool outside_of_stack(struct unwind_state *state, unsigned long sp)
{
return (sp <= state->sp) ||
- (sp + sizeof(struct stack_frame) > state->stack_info.end);
+ (sp > state->stack_info.end - sizeof(struct stack_frame));
}
static bool update_stack_info(struct unwind_state *state, unsigned long sp)