[PATCH 00/41] signal: Use set_current_blocked()

Matt Fleming
2011-08-11T13:57:21Z

From: Matt Fleming <matt.fleming@intel.com>

Hi Oleg,

I did a tree wide scan of all the code that modifies current->blocked
without using the set_current_blocked() accessor. This patch series is
the result of the conversion to the new accessor functions.

This series also helps to reduce the complexity of my signal
scalability patches that I posted in April, because we now have much
fewer callers of recalc_sigpending() (the signal scalability patches
introduce a new lock that needs to be held when calling
recalc_sigpending()).

This series is available in the 'oleg/set-current-blocked' branch at,

git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/linux-2.6.git

P.S I've punted on fully converting ia64 to set_current_blocked()
because bits of the signal code are written in asm. I'll follow up
with a later patch that does the conversion once I've improved my ia64
foo (or coerced Tony Luck into doing it ;).

Matt Fleming (40):
alpha: Use set_current_blocked()
arm: Use set_current_blocked()
avr32: Don't mask signals in the error path
blackfin: Use set_current_blocked()
cris: Use set_current_blocked()
frv: Use set_current_blocked()
h8300: Use set_current_blocked()
ia64: Use set_current_blocked()
m32r: Use set_current_blocked()
m68k: Use set_current_blocked()
microblaze: Don't reimplement force_sigsegv()
microblaze: No need to reset handler if SA_ONESHOT
microblaze: Fix signal masking
microblaze: Use set_current_blocked()
MIPS: Use set_current_blocked()
mn10300: Use set_current_blocked()
OpenRISC: Don't reimplement force_sigsegv()
OpenRISC: No need to reset handler if SA_ONESHOT
OpenRISC: Don't mask signals if we fail to setup signal stack
OpenRISC: Use set_current_blocked()
parisc: Use set_current_blocked()
powerpc: Use set_current_blocked()
score: Don't mask signals if we fail to setup signal stack
score: Use set_current_blocked()
sh: No need to reset handler if SA_ONESHOT
sh: Use set_current_blocked()
sparc: Use set_current_blocked()
tile: Use set_current_blocked()
um: Use set_current_blocked()
um: Don't restore current->blocked on error
unicore32: Use set_current_blocked()
xtensa: Don't reimplement force_sigsegv()
xtensa: No need to reset handler if SA_ONESHOT
xtensa: Don't mask signals if we fail to setup signal stack
xtensa: Use set_current_blocked()
autofs4: Use set_current_blocked()
coda: Use set_current_blocked()
dlm: Remove another superfluous call to recalc_sigpending()
ncpfs: Use set_current_blocked()
exit: Use __set_task_blocked()

Oleg Nesterov (1):
avr32: use set_current_blocked() in handle_signal/sys_rt_sigreturn

arch/alpha/kernel/signal.c | 31 ++++++++++-------------
arch/arm/kernel/signal.c | 25 ++++++++----------
arch/avr32/kernel/signal.c | 30 +++++++++-------------
arch/blackfin/kernel/signal.c | 16 ++++-------
arch/cris/arch-v10/kernel/signal.c | 33 ++++++++++--------------
arch/cris/arch-v32/kernel/signal.c | 37 ++++++++++-----------------
arch/frv/kernel/signal.c | 32 ++++++++++--------------
arch/h8300/kernel/signal.c | 36 ++++++++++-----------------
arch/ia64/kernel/signal.c | 18 ++++---------
arch/m32r/kernel/signal.c | 16 +++++-------
arch/m68k/kernel/signal_mm.c | 24 +++++++++---------
arch/m68k/kernel/signal_no.c | 30 +++++++++-------------
arch/microblaze/kernel/signal.c | 46 ++++++++++++++++-------------------
arch/mips/kernel/signal.c | 29 ++++++----------------
arch/mips/kernel/signal32.c | 20 +++------------
arch/mips/kernel/signal_n32.c | 10 +------
arch/mn10300/kernel/signal.c | 32 ++++++++++--------------
arch/openrisc/kernel/signal.c | 47 ++++++++++++++++-------------------
arch/parisc/kernel/signal.c | 15 ++++-------
arch/powerpc/kernel/signal.c | 16 ++++-------
arch/powerpc/kernel/signal_32.c | 11 ++++----
arch/score/kernel/signal.c | 19 +++++++-------
arch/sh/kernel/signal_32.c | 35 ++++++++++----------------
arch/sh/kernel/signal_64.c | 40 ++++++++++--------------------
arch/sparc/kernel/signal32.c | 19 ++++----------
arch/sparc/kernel/signal_32.c | 30 +++++++++-------------
arch/sparc/kernel/signal_64.c | 30 +++++++++-------------
arch/tile/kernel/compat_signal.c | 5 +---
arch/tile/kernel/signal.c | 16 ++++-------
arch/um/kernel/signal.c | 30 ++++++++++-------------
arch/um/sys-i386/signal.c | 12 +-------
arch/um/sys-x86_64/signal.c | 6 +----
arch/unicore32/kernel/signal.c | 15 ++++-------
arch/xtensa/kernel/signal.c | 37 ++++++++++-----------------
fs/autofs4/waitq.c | 15 ++++-------
fs/coda/upcall.c | 19 ++++++--------
fs/dlm/user.c | 1 -
fs/ncpfs/sock.c | 12 ++++-----
kernel/exit.c | 7 ++++-
39 files changed, 351 insertions(+), 551 deletions(-)

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1.7.4.4