From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
pkey_set() and pkey_get() were syscalls present in older versions
of the protection keys patches. The syscall number definitions
were inadvertently left in place. This patch removes them.
I did a git grep and verified that these are the last places in
the tree that these appear, save for the protection_keys.c tests
and Documentation. Those spots talk about functions called
pkey_get/set() which are wrappers for the direct PKRU
instructions, not the syscalls.
Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: linux-arch@xxxxxxxxxxxxxxx
Cc: mgorman@xxxxxxxxxxxxxxxxxxx
Cc: arnd@xxxxxxxx
Cc: linux-api@xxxxxxxxxxxxxxx
Cc: linux-mm@xxxxxxxxx
Cc: luto@xxxxxxxxxx
Cc: akpm@xxxxxxxxxxxxxxxxxxxx
Cc: torvalds@xxxxxxxxxxxxxxxxxxxx
Fixes: f9afc6197e9bb ("x86: Wire up protection keys system calls")
---
b/arch/x86/entry/syscalls/syscall_32.tbl | 2 --
b/arch/x86/entry/syscalls/syscall_64.tbl | 2 --
2 files changed, 4 deletions(-)
diff -puN arch/x86/entry/syscalls/syscall_32.tbl~kill-x86-pkey-syscall-nr-cruft arch/x86/entry/syscalls/syscall_32.tbl
--- a/arch/x86/entry/syscalls/syscall_32.tbl~kill-x86-pkey-syscall-nr-cruft 2016-10-17 13:00:11.607811388 -0700
+++ b/arch/x86/entry/syscalls/syscall_32.tbl 2016-10-17 13:00:14.216930557 -0700
@@ -389,5 +389,3 @@
380 i386 pkey_mprotect sys_pkey_mprotect
381 i386 pkey_alloc sys_pkey_alloc
382 i386 pkey_free sys_pkey_free
-#383 i386 pkey_get sys_pkey_get
-#384 i386 pkey_set sys_pkey_set
diff -puN arch/x86/entry/syscalls/syscall_64.tbl~kill-x86-pkey-syscall-nr-cruft arch/x86/entry/syscalls/syscall_64.tbl
--- a/arch/x86/entry/syscalls/syscall_64.tbl~kill-x86-pkey-syscall-nr-cruft 2016-10-17 13:00:11.609811480 -0700
+++ b/arch/x86/entry/syscalls/syscall_64.tbl 2016-10-17 13:00:21.896281301 -0700
@@ -338,8 +338,6 @@
329 common pkey_mprotect sys_pkey_mprotect
330 common pkey_alloc sys_pkey_alloc
331 common pkey_free sys_pkey_free
-#332 common pkey_get sys_pkey_get
-#333 common pkey_set sys_pkey_set
#
# x32-specific system call numbers start at 512 to avoid cache impact
_
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