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Author SHA1 Message Date
Al Viro 7e243643df arm: switch to struct ksignal * passing 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-14 09:21:16 -05:00
Al Viro cfd60c0789 alpha: pass k_sigaction and siginfo_t using ksignal pointer 
... and use the new helpers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-14 09:21:16 -05:00
Al Viro d64008a8f3 burying unused conditionals 
__ARCH_WANT_SYS_RT_SIGACTION,
__ARCH_WANT_SYS_RT_SIGSUSPEND,
__ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND,
__ARCH_WANT_COMPAT_SYS_SCHED_RR_GET_INTERVAL - not used anymore
CONFIG_GENERIC_{SIGALTSTACK,COMPAT_RT_SIG{ACTION,QUEUEINFO,PENDING,PROCMASK}} -
can be assumed always set.
 2013-02-14 09:21:15 -05:00
Al Viro e9b04b5b67 make do_sigaltstack() static 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-14 09:21:15 -05:00
Al Viro 9b25d60418 Merge branches 'arch-alpha', 'arch-arm', 'arch-arm64', 'arch-avr32', 'arch-blackfin', 'arch-c6x', 'arch-cris', 'arch-frv', 'arch-h8300', 'arch-hexagon', 'arch-ia64', 'arch-m32r', 'arch-m68k', 'arch-microblaze', 'arch-mips', 'arch-mn10300', 'arch-openrisc', 'arch-parisc', 'arch-powerpc', 'arch-s390', 'arch-score', 'arch-sh', 'arch-sparc', 'arch-tile', 'arch-unicore32', 'arch-x86' and 'arch-xtensa' 2013-02-14 09:20:35 -05:00
Al Viro 51682036d0 arm64: switch to generic old sigaction() (compat-only) 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-14 09:17:54 -05:00
Al Viro 02323a9d92 arm64: switch to generic compat rt_sigaction() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-14 09:17:53 -05:00
Al Viro 84b9e9b402 arm64: switch compat to generic old sigsuspend 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-14 09:17:53 -05:00
Al Viro 4cd2b2fa61 arm64: switch to generic compat rt_sigqueueinfo() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-14 09:17:53 -05:00
Al Viro 67cf48fe25 arm64: switch to generic compat rt_sigpending() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-14 09:17:52 -05:00
Al Viro 630cfbbbe6 arm64: switch to generic compat rt_sigprocmask() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-14 09:17:52 -05:00
Al Viro 207bdae452 arm64: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-14 09:17:29 -05:00
Al Viro 52ad6b3f90 sparc: switch to generic old sigsuspend 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 22:44:37 -05:00
Al Viro 7540c8eb33 sparc: COMPAT_SYSCALL_DEFINE does all sign-extension as well as SYSCALL_DEFINE 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 22:43:37 -05:00
Al Viro 5250a8bbdc sparc: kill sign-extending wrappers for native syscalls 
SYSCALL_DEFINE-added wrapper will take care of those just fine;
no extra compat wrappers needed.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 22:43:36 -05:00
Al Viro 25f9e5c4e0 kill sparc32_open() 
it's a copy of compat_sys_open()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 22:43:36 -05:00
Al Viro a274bd498c sparc: switch to use of generic old sigaction 
note that due to historical accident we do *not* directly take
generic versions - need to check and invert the sign of signal
number first.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 22:43:35 -05:00
Al Viro bdc40abf07 sparc: switch sys_compat_rt_sigaction() to COMPAT_SYSCALL_DEFINE 
note that while struct compat_sigaction is the generic one, syscall
itself *isn't* - different arguments.  IOW, CONFIG_ODD_RT_SIGACTION
stays.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 22:42:00 -05:00
Al Viro 50150d2bb9 mips: switch to generic sys_fork() and sys_clone() 
we still need the wrappers to store callee-saved registers in
pt_regs, but once that done we can jump to kernel/fork.c variants.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:33:02 -05:00
Al Viro 64b3122df4 mips: take the "zero newsp means inherit the parent's one" to copy_thread() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:33:01 -05:00
Al Viro 974fdb3c20 mips: no magic arguments for sysm_pipe() 
current_pt_regs() works just fine

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:33:01 -05:00
Al Viro 5e392b8db7 mips: don't bother with compat_sys_futex() wrappers 
... it's COMPAT_SYSCALL_DEFINE now

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:33:01 -05:00
Al Viro aa584802e5 mips: switch to generic compat rt_sigaction() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:33:00 -05:00
Al Viro 0450d22f4b mips: switch to generic compat sched_rr_get_interval() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:33:00 -05:00
Al Viro 1910f4ab77 mips: sigsuspend() is essentially the same as rt_sigsuspend() here 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:32:59 -05:00
Al Viro ea5d83db67 mips: switch to generic compat rt_sigqueueinfo() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:32:59 -05:00
Al Viro 45cb66f797 mips: switch to generic compat rt_sigpending() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:32:59 -05:00
Al Viro 056a060803 mips: switch to generic compat rt_sigprocmask() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:32:58 -05:00
Al Viro bde208d2e1 switch mips to generic rt_sigsuspend(), make it unconditional 
mips was the last architecture not using the generic variant.
Both native and compat variants switched to generic, which is
made unconditional now.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:32:49 -05:00
Al Viro 1c37ea8277 mips: switch to compat_sys_waitid() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:32:24 -05:00
Al Viro ea536ad4f2 mips: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:32:24 -05:00
Al Viro c6489c147d Merge commit '12890d0f61fc' into arch-mips 2013-02-03 18:16:33 -05:00
Al Viro 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
Al Viro 0430f2f276 xtensa: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:27 -05:00
Al Viro 29fd448084 x86: switch to generic compat rt_sigaction() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:26 -05:00
Al Viro d7c43e4afb x86: switch to generic compat sched_rr_get_interval() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:26 -05:00
Al Viro 15ce1f7154 x86,um: switch to generic old sigsuspend() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:26 -05:00
Al Viro 7b83d1a297 x86: switch to generic compat rt_sigqueueinfo() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:25 -05:00
Al Viro f45adb0499 x86: switch to generic compat rt_sigpending() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:25 -05:00
Al Viro 49cb25e929 x86: get rid of pt_regs argument in vm86/vm86old 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:24 -05:00
Al Viro 3fe26fa34d x86: get rid of pt_regs argument in sigreturn variants 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:24 -05:00
Al Viro b3af11afe0 x86: get rid of pt_regs argument of iopl(2) 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:24 -05:00
Al Viro 50b3c9e30a unicore32: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:23 -05:00
Al Viro ea93a6e2e7 amd64: get rid of useless RESTORE_TOP_OF_STACK in stub_execve() 
we are not going to return via SYSRET anyway.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:23 -05:00
Al Viro a402922bff tile: switch to generic compat rt_sigaction() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:22 -05:00
Al Viro 7b5d3c1d11 tile: switch to generic compat rt_sigqueueinfo() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:22 -05:00
Al Viro 03e2759598 tile: switch to generic compat rt_sig{procmask,pending}() 
note that the only systems that are going to care are big-endian
64bit ones with 32bit compat enabled - little-endian bitmaps
are not sensitive to granularity.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:21 -05:00
Al Viro 47669ab036 tile: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:21 -05:00
Al Viro 8d65681daf sparc: switch to generic compat rt_sigqueueinfo() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:18 -05:00
Al Viro 55bb5a1e3a sparc: switch to generic compat rt_sigpending() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:18 -05:00
Al Viro 826c8772b1 sparc: switch to generic compat rt_sigprocmask(2) 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:17 -05:00
Al Viro c9716252be sparc: bury the sys_sigpause() remains 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:17 -05:00
Al Viro 99b06feb0f sparc: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:17 -05:00
Al Viro 0679a858c5 sh: switch to generic old sigaction() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:16 -05:00
Al Viro 881e252d6b sh: switch to generic old sigsuspend() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:16 -05:00
Al Viro b774cc5cb6 score: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:15 -05:00
Al Viro 7a879a94d9 sh: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:15 -05:00
Al Viro 1cb44eb837 s390: kill useless wrappers 
COMPAT_SYSCALL_DEFINEx already does everything we need

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:14 -05:00
Al Viro 7eddd99c28 s390: switch to generic old sigaction() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:14 -05:00
Al Viro f036b94344 s390: switch to generic compat rt_sigaction 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:13 -05:00
Al Viro d7b5427cec s390: switch to generic compat sched_rr_get_interval() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:13 -05:00
Al Viro e181ee4cd7 s390: switch to generic old sigsuspend 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:13 -05:00
Al Viro 07562be77d s390: switch to generic compat rt_sigqueueinfo() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:12 -05:00
Al Viro bdcf03183c s390: switch to generic compat rt_sigpending() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:12 -05:00
Al Viro 7426022431 s390: switch to generic compat rt_sigprocmask(2) 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:12 -05:00
Al Viro b1ff98cb74 powerpc: trim the crap from syscalls.h 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:11 -05:00
Al Viro e214125aa8 s390: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:11 -05:00
Al Viro 09a4d5d015 powerpc: switch to generic old sigaction() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:10 -05:00
Al Viro 5aa1cde2ed powerpc: switch to generic compat rt_sigaction() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:10 -05:00
Al Viro a31dd96ff7 powerpc: kill pointless wrappers 
SYSCALL_DEFINE and COMPAT_SYSCALL_DEFINE do all argument normalization
we need.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:09 -05:00
Al Viro 0980caea80 powerpc: switch to generic old sigsuspend 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:09 -05:00
Al Viro 309e44b39e powerpc: switch to generic compat rt_sigqueueinfo() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:09 -05:00
Al Viro cfe0467c4e powerpc: switch to generic compat rt_sigpending() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:08 -05:00
Al Viro 451a651d33 powerpc: switch to generic compat rt_sigprocmask() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:08 -05:00
Al Viro 7cce246557 powerpc: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:08 -05:00
Al Viro b0f95824f2 parisc: switch to generic compat rt_sigaction() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:07 -05:00
Al Viro d914b8dcbb parisc: switch to generic compat sched_rr_get_interval() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:07 -05:00
Al Viro 441ff95907 parisc: switch to generic compat rt_sigqueueinfo() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:06 -05:00
Al Viro cddc2da135 parisc: switch to generic compat rt_sigpending() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:06 -05:00
Al Viro e6a7ad517a parisc: switch to generic compat rt_sigprocmask() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:06 -05:00
Al Viro faec5a96a0 openrisc: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:05 -05:00
Al Viro 6e26aab98c parisc: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:05 -05:00
Al Viro 33f9f78eec mn10300: switch to generic old sigaction() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:04 -05:00
Al Viro 7d1d990ff1 mn10300: switch to generic old sigsuspend 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:04 -05:00
Al Viro de2bfce30e microblaze: remove debris in ptrace.c 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:03 -05:00
Al Viro b30c7d50af mn10300: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:03 -05:00
Al Viro e9f9252667 microblaze: fix handling of multiple pending signals 
We need to keep building sigframes until no pending signals remain.
Wrap do_notify_resume() calls into loops; do _not_ allow syscall
restart logics to trigger after the first iteration.

Incidentally, comments about pending signals that should (somehow)
be in r18 are pure BS.  Doesn't work that way and cannot work that
way, sorry...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:02 -05:00
Al Viro 14203e19cb microblaze: fix the horror with restarts of sigreturn() 
solution a-la arm one - pick a callee-saved register (r30), set it
non-zero when entering a syscall, have sigreturn wrapper zero it out
and pass the value in it to do_notify_resume() as "in_syscall" (actually,
"restarts allowed") argument.

Note that we don't give a damn about ret_from_fork() - return value
is not restart-worthy anyway.

Possible remaining bug: on !MMU we still have _debug_exception()
restartable.  If it hits with -ERESTART_... accidentally in r3, fun happens.
MMU does _not_ have _debug_exception() restartable.  If that's decided to
be a bug (as I strongly suspect it to be), we'll just need to replace
setting r30 to 1 with setting r30 to 0 in !MMU _debug_exception().
Up to microblaze maintainers...

[folded a fix from Michal]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:02 -05:00
Al Viro c886a9fc1f microblaze: evict the check for kernel_mode(regs) from do_notify_resume() 
Only one caller hasn't done it in assembler - work_pending on !MMU.
Everything else can't reach do_notify_resume() if we are returning
to kernel mode, so move that check to that sole caller and make
do_notify_resume() reachable only when returning to userland.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:01 -05:00
Al Viro 4a9d32d377 microblaze: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:01 -05:00
Al Viro 8be433ab55 m68k: switch to generic old sigaction() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:00 -05:00
Al Viro 1ba3e7efb6 m68k: switch to generic old sigsuspend 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:00 -05:00
Al Viro 08d4f65352 m68k: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:16:00 -05:00
Al Viro 1084f751d4 m32r: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:15:59 -05:00
Al Viro da36f98a52 hexagon: don't leave ->uc_stack uninitialized 
it's used on rt_sigreturn(2)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:15:58 -05:00
Al Viro e8d9ef09df ia64: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:15:58 -05:00
Al Viro b0375744f1 h8300: switch to generic old sigaction() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:15:57 -05:00
Al Viro 1e974c2166 hexagon: switch to generic sigaltstack 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:15:57 -05:00
Al Viro b407e620ec h8300: switch to generic old sigsuspend 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:15:56 -05:00
Al Viro ac416143b0 h8300: kill useless wrappers, fix rt_sigreturn(2) 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-02-03 18:15:56 -05:00