linux/arch/powerpc
Hugh Dickins ef2b343e99 [POWERPC] Make soft_enabled irqs preempt safe
Rewrite local_get_flags and local_irq_disable to use r13 explicitly,
to avoid the risk that gcc will split get_paca()->soft_enabled into a
sequence unsafe against preemption.  Similar care in local_irq_restore.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:39:20 +11:00
..
boot Merge branch 'linux-2.6' into for-linus 2006-12-04 15:59:07 +11:00
configs Merge branch 'linux-2.6' into for-linus 2006-12-04 15:59:07 +11:00
kernel [POWERPC] Make soft_enabled irqs preempt safe 2006-12-04 20:39:20 +11:00
lib [POWERPC] Disallow kprobes on emulate_step and branch_taken 2006-11-01 15:14:12 +11:00
math-emu [POWERPC] ppc math-emu needs -fno-builtin-fabs for math.c and fabs.c 2006-09-26 15:24:35 +10:00
mm [POWERPC] iSeries: fix slb.c for combined build 2006-12-04 20:39:19 +11:00
oprofile [POWERPC] Fix oprofile support for e500 in arch/powerpc 2006-11-01 14:52:48 +11:00
platforms [POWERPC] Merge 32 and 64 bits asm-powerpc/io.h 2006-12-04 20:39:05 +11:00
sysdev [POWERPC] Cell iommu support 2006-12-04 20:39:02 +11:00
xmon [POWERPC] iSeries: fix xmon.c for combined build 2006-12-04 20:39:17 +11:00
Kconfig [POWERPC] Remove ioremap64 and fixup_bigphys_addr 2006-12-04 20:39:04 +11:00
Kconfig.debug [POWERPC] print backtrace when entering xmon 2006-09-13 18:39:53 +10:00
Makefile [POWERPC] Create a "wrapper" script and use it in arch/powerpc/boot 2006-09-28 14:30:02 +10:00