stub_iopl is no longer needed: pt_regs->flags needs no fixing up
after previous change. Removing it.
Signed-off-by: Denys Vlasenko <dvlas...@redhat.com>
CC: Linus Torvalds <torva...@linux-foundation.org>
CC: Steven Rostedt <rost...@goodmis.org>
CC: Ingo Molnar <mi...@kernel.org>
CC: Borislav Petkov <b...@alien8.de>
CC: "H. Peter Anvin" <h...@zytor.com>
CC: Oleg Nesterov <o...@redhat.com>
CC: Frederic Weisbecker <fweis...@gmail.com>
CC: Alexei Starovoitov <a...@plumgrid.com>
CC: Will Drewry <w...@chromium.org>
CC: Kees Cook <keesc...@chromium.org>
CC: x...@kernel.org
CC: linux-kernel@vger.kernel.org
---
arch/x86/kernel/entry_64.S | 13 -------------
arch/x86/syscalls/syscall_64.tbl | 2 +-
arch/x86/um/sys_call_table_64.c | 2 +-
3 files changed, 2 insertions(+), 15 deletions(-)
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 324200a..703ced0 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -421,22 +421,9 @@ ENTRY(stub_\func)
END(stub_\func)
.endm
- .macro FIXED_FRAME label,func
-ENTRY(\label)
- CFI_STARTPROC
- DEFAULT_FRAME 0, 8 /* offset 8: return address */
- FIXUP_TOP_OF_STACK %r11, 8
- call \func
- RESTORE_TOP_OF_STACK %r11, 8
- ret
- CFI_ENDPROC
-END(\label)
- .endm
-
FORK_LIKE clone
FORK_LIKE fork
FORK_LIKE vfork
- FIXED_FRAME stub_iopl, sys_iopl
ENTRY(stub_execve)
CFI_STARTPROC
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index 8d656fb..9ef32d5 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -178,7 +178,7 @@
169 common reboot sys_reboot
170 common sethostname sys_sethostname
171 common setdomainname sys_setdomainname
-172 common iopl stub_iopl
+172 common iopl sys_iopl
173 common ioperm sys_ioperm
174 64 create_module
175 common init_module sys_init_module
diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c
index 5cdfa9d..a75d8700 100644
--- a/arch/x86/um/sys_call_table_64.c
+++ b/arch/x86/um/sys_call_table_64.c
@@ -16,7 +16,7 @@
*/
/* Not going to be implemented by UML, since we have no hardware. */
-#define stub_iopl sys_ni_syscall
+#define sys_iopl sys_ni_syscall
#define sys_ioperm sys_ni_syscall
/*
--
1.8.1.4
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