David S. Miller 05c5e7698b sparc64: Fix race in signal instruction flushing. ...

If another cpu does a very wide munmap() on the signal frame area,
it can tear down the page table hierarchy from underneath us.

Borrow an idea from the 64-bit fault path's get_user_insn(), and
disable cross call interrupts during the page table traversal
to lock them in place while we operate.

Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

2010-09-20 23:24:52 -07:00

..

boot

Merge branch 'master' into for-next

2010-06-16 18:08:13 +02:00

configs

defconfig reduction

2010-08-14 22:26:53 +02:00

include/asm

sparc64: Get rid of indirect p1275 PROM call buffer.

2010-08-23 23:10:57 -07:00

kernel

sparc64: Fix race in signal instruction flushing.

2010-09-20 23:24:52 -07:00

lib

sparc64: Make lock backoff really a NOP on UP builds.

2010-08-18 22:53:26 -07:00

math-emu

Revert "endian: #define __BYTE_ORDER"

2010-05-26 08:30:15 -07:00

mm

kmap_atomic: make kunmap_atomic() harder to misuse

2010-08-09 20:44:54 -07:00

oprofile

sparc: using HZ needs an include of linux/param.h

2009-10-05 00:46:08 -07:00

prom

sparc64: Get rid of indirect p1275 PROM call buffer.

2010-08-23 23:10:57 -07:00

Kconfig

Merge branch 'timers-timekeeping-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2010-08-06 13:18:29 -07:00

Kconfig.debug

sparc: Kill user copy check code.

2010-08-09 00:45:46 -07:00

Makefile

sparc: Set UTS_MACHINE correctly.

2009-12-05 17:17:55 -08:00