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authorLinus Torvalds <torvalds@linux-foundation.org>2016-04-01 14:15:54 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2016-04-01 14:15:54 +0200
commitdc8a64ee1ab3f7ef34488392de7ee908047d6f99 (patch)
tree4db9103f405a6c1cf709058db91c56e5efd2b061 /arch/s390/include
parentMerge branch 'parisc-4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/... (diff)
parents390: wire up preadv2/pwritev2 syscalls (diff)
downloadlinux-dc8a64ee1ab3f7ef34488392de7ee908047d6f99.tar.xz
linux-dc8a64ee1ab3f7ef34488392de7ee908047d6f99.zip
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/include')
-rw-r--r--arch/s390/include/asm/cache.h3
-rw-r--r--arch/s390/include/uapi/asm/unistd.h4
2 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/include/asm/cache.h b/arch/s390/include/asm/cache.h
index 4d7ccac5fd1d..22da3b34c655 100644
--- a/arch/s390/include/asm/cache.h
+++ b/arch/s390/include/asm/cache.h
@@ -15,4 +15,7 @@
#define __read_mostly __attribute__((__section__(".data..read_mostly")))
+/* Read-only memory is marked before mark_rodata_ro() is called. */
+#define __ro_after_init __read_mostly
+
#endif
diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h
index ab3aa6875a59..4384bc797a54 100644
--- a/arch/s390/include/uapi/asm/unistd.h
+++ b/arch/s390/include/uapi/asm/unistd.h
@@ -311,7 +311,9 @@
#define __NR_shutdown 373
#define __NR_mlock2 374
#define __NR_copy_file_range 375
-#define NR_syscalls 376
+#define __NR_preadv2 376
+#define __NR_pwritev2 377
+#define NR_syscalls 378
/*
* There are some system calls that are not present on 64 bit, some