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authorLinus Torvalds <torvalds@linux-foundation.org>2016-04-01 07:15:54 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2016-04-01 07:15:54 -0500
commitdc8a64ee1ab3f7ef34488392de7ee908047d6f99 (patch)
tree4db9103f405a6c1cf709058db91c56e5efd2b061 /arch/s390/kernel
parentc05c2ec96bb8b7310da1055c7b9d786a3ec6dc0c (diff)
parent3358999a8e7ae82912e5908adb7150a6558d6702 (diff)
downloadlinux-dc8a64ee1ab3f7ef34488392de7ee908047d6f99.tar.bz2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky: - A proper fix for the locking issue in the dasd driver - Wire up the new preadv2 nad pwritev2 system calls - Add the mark_rodata_ro function and set DEBUG_RODATA=y - A few more bug fixes. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390: wire up preadv2/pwritev2 syscalls s390/pci: PCI function group 0 is valid for clp_query_pci_fn s390/crypto: provide correct file mode at device register. s390/mm: handle PTE-mapped tail pages in fast gup s390: add DEBUG_RODATA support s390: disable postinit-readonly for now s390/dasd: reorder lcu and device lock s390/cpum_sf: Fix cpu hotplug notifier transitions s390/cpum_cf: Fix missing cpu hotplug notifier transition
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/perf_cpum_cf.c1
-rw-r--r--arch/s390/kernel/perf_cpum_sf.c2
-rw-r--r--arch/s390/kernel/syscalls.S2
3 files changed, 4 insertions, 1 deletions
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index 58bf4572d457..62f066b5259e 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -670,6 +670,7 @@ static int cpumf_pmu_notifier(struct notifier_block *self, unsigned long action,
switch (action & ~CPU_TASKS_FROZEN) {
case CPU_ONLINE:
+ case CPU_DOWN_FAILED:
flags = PMC_INIT;
smp_call_function_single(cpu, setup_pmc_cpu, &flags, 1);
break;
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index 1a43474df541..eaab9a7cb3be 100644
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -1521,7 +1521,7 @@ static int cpumf_pmu_notifier(struct notifier_block *self,
switch (action & ~CPU_TASKS_FROZEN) {
case CPU_ONLINE:
- case CPU_ONLINE_FROZEN:
+ case CPU_DOWN_FAILED:
flags = PMC_INIT;
smp_call_function_single(cpu, setup_pmc_cpu, &flags, 1);
break;
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 293d8b98fd52..9b59e6212d8f 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -384,3 +384,5 @@ SYSCALL(sys_recvmsg,compat_sys_recvmsg)
SYSCALL(sys_shutdown,sys_shutdown)
SYSCALL(sys_mlock2,compat_sys_mlock2)
SYSCALL(sys_copy_file_range,compat_sys_copy_file_range) /* 375 */
+SYSCALL(sys_preadv2,compat_sys_preadv2)
+SYSCALL(sys_pwritev2,compat_sys_pwritev2)