The patch titled
Subject: userfaultfd-activate-syscall-fix-2
has been added to the -mm tree. Its filename is
userfaultfd-activate-syscall-fix-2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/userfaultfd-activate-syscall-fix-2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/userfaultfd-activate-syscall-fix-2.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: userfaultfd-activate-syscall-fix-2
don't enable userfaultfd on powerpc, per some email discussion which I've
lost
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/include/asm/systbl.h | 1 -
arch/powerpc/include/asm/unistd.h | 2 +-
arch/powerpc/include/uapi/asm/unistd.h | 1 -
3 files changed, 1 insertion(+), 3 deletions(-)
diff -puN arch/powerpc/include/asm/systbl.h~userfaultfd-activate-syscall-fix-2 arch/powerpc/include/asm/systbl.h
--- a/arch/powerpc/include/asm/systbl.h~userfaultfd-activate-syscall-fix-2
+++ a/arch/powerpc/include/asm/systbl.h
@@ -368,4 +368,3 @@ SYSCALL_SPU(memfd_create)
SYSCALL_SPU(bpf)
COMPAT_SYS(execveat)
PPC64ONLY(switch_endian)
-SYSCALL_SPU(userfaultfd)
diff -puN arch/powerpc/include/asm/unistd.h~userfaultfd-activate-syscall-fix-2 arch/powerpc/include/asm/unistd.h
--- a/arch/powerpc/include/asm/unistd.h~userfaultfd-activate-syscall-fix-2
+++ a/arch/powerpc/include/asm/unistd.h
@@ -12,7 +12,7 @@
#include <uapi/asm/unistd.h>
-#define __NR_syscalls 365
+#define __NR_syscalls 364
#define __NR__exit __NR_exit
#define NR_syscalls __NR_syscalls
diff -puN arch/powerpc/include/uapi/asm/unistd.h~userfaultfd-activate-syscall-fix-2 arch/powerpc/include/uapi/asm/unistd.h
--- a/arch/powerpc/include/uapi/asm/unistd.h~userfaultfd-activate-syscall-fix-2
+++ a/arch/powerpc/include/uapi/asm/unistd.h
@@ -386,6 +386,5 @@
#define __NR_bpf 361
#define __NR_execveat 362
#define __NR_switch_endian 363
-#define __NR_userfaultfd 364
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
kernel-kthreadc-kthread_create_on_node-clarify-documentation.patch
scripts-spellingtxt-adding-misspelled-word-for-check-fix.patch
fs-create-and-use-seq_show_option-for-escaping-fix.patch
watchdog-introduce-watchdog_suspend-and-watchdog_resume-fix.patch
watchdog-use-suspend-resume-interface-in-fixup_ht_bug-fix.patch
userfaultfd-change-the-read-api-to-return-a-uffd_msg-fix-2-fix.patch
userfaultfd-activate-syscall-fix-2.patch
userfaultfd-avoid-mmap_sem-read-recursion-in-mcopy_atomic-fix.patch
genalloc-add-name-arg-to-gen_pool_get-and-devm_gen_pool_create-fix.patch
genalloc-add-support-of-multiple-gen_pools-per-device-fix.patch
mm-make-gup-handle-pfn-mapping-unless-foll_get-is-requested-fix.patch
dax-revert-userfaultfd-change.patch
thp-prepare-for-dax-huge-pages-fix.patch
pagemap-add-mmap-exclusive-bit-for-marking-pages-mapped-only-here-fix.patch
pagemap-update-documentation-fix.patch
mm-show-proportional-swap-share-of-the-mapping-fix.patch
mm-improve-__gfp_noretry-comment-based-on-implementation-fix.patch
memcg-export-struct-mem_cgroup-fix.patch
memcg-export-struct-mem_cgroup-fix-2.patch
mm-hugetlb-add-cache-of-descriptors-to-resv_map-for-region_add-fix.patch
mm-srcu-ify-shrinkers-fix-fix.patch
x86-use-generic-early-mem-copy-fix.patch
mm-mmap-simplify-the-failure-return-working-flow-fix.patch
zswap-dynamic-pool-creation-fix.patch
include-linux-page-flagsh-rename-macros-to-avoid-collisions.patch
proc-add-kpageidle-file-fix-6-fix.patch
proc-add-kpageidle-file-fix-6-fix-2-fix.patch
proc-export-idle-flag-via-kpageflags-fix.patch
x86-add-pmd_-for-thp-fix.patch
sparc-add-pmd_-for-thp-fix.patch
mm-support-madvisemadv_free-fix-2.patch
mm-dont-split-thp-page-when-syscall-is-called-fix-3.patch
mm-move-lazy-free-pages-to-inactive-list-fix-fix.patch
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