6846351052
x86/signal: Add SA_{X32,IA32}_ABI sa_flags
...
Introduce new flags that defines which ABI to use on creating sigframe.
Those flags kernel will set according to sigaction syscall ABI,
which set handler for the signal being delivered.
So that will drop the dependency on TIF_IA32/TIF_X32 flags on signal deliver.
Those flags will be used only under CONFIG_COMPAT.
Similar way ARM uses sa_flags to differ in which mode deliver signal
for 26-bit applications (look at SA_THIRYTWO).
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com >
Reviewed-by: Andy Lutomirski <luto@kernel.org >
Cc: 0x7f454c46@gmail.com
Cc: oleg@redhat.com
Cc: linux-mm@kvack.org
Cc: gorcunov@openvz.org
Cc: xemul@virtuozzo.com
Link: http://lkml.kernel.org/r/20160905133308.28234-7-dsafonov@virtuozzo.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de >
2016-09-14 21:28:11 +02:00
2823d4da5d
x86, bitops: remove use of "sbb" to return CF
...
Use SETC instead of SBB to return the value of CF from assembly. Using
SETcc enables uniformity with other flags-returning pieces of assembly
code.
Signed-off-by: H. Peter Anvin <hpa@zytor.com >
Link: http://lkml.kernel.org/r/1465414726-197858-2-git-send-email-hpa@linux.intel.com
Reviewed-by: Andy Lutomirski <luto@kernel.org >
Reviewed-by: Borislav Petkov <bp@suse.de >
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org >
2016-06-08 12:41:20 -07:00
decb4c4115
x86/headers: Remove <asm/sigcontext.h> references on the kernel side
...
Now that all type definitions are in the UAPI header, include it
directly, instead of through <asm/sigcontext.h>.
[ We still keep asm/sigcontext.h, so that uapi/asm/sigcontext32.h
can include <asm/sigcontext.h>. ]
Acked-by: Mikko Rapeli <mikko.rapeli@iki.fi >
Cc: Andy Lutomirski <luto@amacapital.net >
Cc: Borislav Petkov <bp@alien8.de >
Cc: Brian Gerst <brgerst@gmail.com >
Cc: Denys Vlasenko <dvlasenk@redhat.com >
Cc: H. Peter Anvin <hpa@zytor.com >
Cc: Linus Torvalds <torvalds@linux-foundation.org >
Cc: Oleg Nesterov <oleg@redhat.com >
Cc: Peter Zijlstra <peterz@infradead.org >
Cc: Thomas Gleixner <tglx@linutronix.de >
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1441438363-9999-16-git-send-email-mingo@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org >
2015-09-08 10:06:05 +02:00
88cd622f92
x86/entry: Remove do_notify_resume(), syscall_trace_leave(), and their TIF masks
...
They are no longer used. Good riddance!
Deleting the TIF_ macros is really nice. It was never clear why
there were so many variants.
Signed-off-by: Andy Lutomirski <luto@kernel.org >
Cc: Borislav Petkov <bp@alien8.de >
Cc: Brian Gerst <brgerst@gmail.com >
Cc: Denys Vlasenko <dvlasenk@redhat.com >
Cc: Eric Paris <eparis@parisplace.org >
Cc: Linus Torvalds <torvalds@linux-foundation.org >
Cc: Oleg Nesterov <oleg@redhat.com >
Cc: Peter Zijlstra <peterz@infradead.org >
Cc: Thomas Gleixner <tglx@linutronix.de >
Link: http://lkml.kernel.org/r/22c61682f446628573dde0f1d573ab821677e06da.1438378274.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org >
2015-08-05 10:54:35 +02:00
1f484aa690
x86/entry: Move C entry and exit code to arch/x86/entry/common.c
...
The entry and exit C helpers were confusingly scattered between
ptrace.c and signal.c, even though they aren't specific to
ptrace or signal handling. Move them together in a new file.
This change just moves code around. It doesn't change anything.
Signed-off-by: Andy Lutomirski <luto@kernel.org >
Cc: Andy Lutomirski <luto@amacapital.net >
Cc: Borislav Petkov <bp@alien8.de >
Cc: Brian Gerst <brgerst@gmail.com >
Cc: Denys Vlasenko <dvlasenk@redhat.com >
Cc: Denys Vlasenko <vda.linux@googlemail.com >
Cc: Frederic Weisbecker <fweisbec@gmail.com >
Cc: H. Peter Anvin <hpa@zytor.com >
Cc: Kees Cook <keescook@chromium.org >
Cc: Linus Torvalds <torvalds@linux-foundation.org >
Cc: Oleg Nesterov <oleg@redhat.com >
Cc: Peter Zijlstra <peterz@infradead.org >
Cc: Rik van Riel <riel@redhat.com >
Cc: Thomas Gleixner <tglx@linutronix.de >
Cc: paulmck@linux.vnet.ibm.com
Link: http://lkml.kernel.org/r/324d686821266544d8572423cc281f961da445f4.1435952415.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org >
2015-07-07 10:59:05 +02:00
36fac0a214
signals: kill sigfindinword()
...
It has no users and it doesn't look useful. I do not know why/when it was
introduced, I can't even find any user in the git history.
Signed-off-by: Oleg Nesterov <oleg@redhat.com >
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org >
Cc: Peter Zijlstra <peterz@infradead.org >
Cc: Al Viro <viro@ZenIV.linux.org.uk >
Cc: David Woodhouse <dwmw2@infradead.org >
Cc: Frederic Weisbecker <fweisbec@gmail.com >
Cc: Ingo Molnar <mingo@kernel.org >
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com >
Cc: Richard Weinberger <richard@nod.at >
Cc: Steven Rostedt <rostedt@goodmis.org >
Cc: Tejun Heo <tj@kernel.org >
Signed-off-by: Andrew Morton <akpm@linux-foundation.org >
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org >
2014-06-06 16:08:11 -07:00
5b3eb3ade4
x86: switch to generic old sigaction
...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk >
2013-02-03 18:16:27 -05:00
574c4866e3
consolidate kernel-side struct sigaction declarations
...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk >
2013-02-03 15:09:22 -05:00
92a3ce4a1e
consolidate declarations of k_sigaction
...
Only alpha and sparc are unusual - they have ka_restorer in it.
And nobody needs that exposed to userland.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk >
2013-02-03 15:09:22 -05:00
af170c5061
UAPI: (Scripted) Disintegrate arch/x86/include/asm
...
Signed-off-by: David Howells <dhowells@redhat.com >
Acked-by: Arnd Bergmann <arnd@arndb.de >
Acked-by: Thomas Gleixner <tglx@linutronix.de >
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com >
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com >
Acked-by: Dave Jones <davej@redhat.com >
2012-12-14 22:37:13 +00:00
4f4202fe5a
unify default ptrace_signal_deliver
...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk >
2012-11-29 00:01:23 -05:00
050902c011
x86, signal: Cleanup ifdefs and is_ia32, is_x32
...
Use config_enabled() to cleanup the definitions of is_ia32/is_x32. Move
the function prototypes to the header file to cleanup ifdefs,
and move the x32_setup_rt_frame() code around.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com >
Link: http://lkml.kernel.org/r/1343171129-2747-2-git-send-email-suresh.b.siddha@intel.com
Merged in compilation fix from,
Link: http://lkml.kernel.org/r/1344544736.8326.17.camel@sbsiddha-desk.sc.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com >
2012-09-18 15:51:26 -07:00
63b852a6b6
asm-generic: rename termios.h, signal.h and mman.h
...
The existing asm-generic versions are incomplete and included
by some architectures. New architectures should be able
to use a generic version, so rename the existing files and
change all users, which lets us add the new files.
Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com >
Signed-off-by: Arnd Bergmann <arnd@arndb.de >
2009-06-11 21:01:52 +02:00
7b5b50f1be
x86: signal.c declare do_notify_resume before they get used
...
Impact: cleanup
In asm/signal.h moved out do_notify_resume from __i386__ as it is common
for both 32 and 64 bit.
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org >
Signed-off-by: Ingo Molnar <mingo@elte.hu >
arch/x86/include/asm/signal.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
2008-12-16 21:10:28 +01:00
1965aae3c9
x86: Fix ASM_X86__ header guards
...
Change header guards named "ASM_X86__*" to "_ASM_X86_*" since:
a. the double underscore is ugly and pointless.
b. no leading underscore violates namespace constraints.
Signed-off-by: H. Peter Anvin <hpa@zytor.com >
2008-10-22 22:55:23 -07:00
bb8985586b
x86, um: ... and asm-x86 move
...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk >
Signed-off-by: H. Peter Anvin <hpa@zytor.com >
2008-10-22 22:55:20 -07:00
