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Anton Blanchard 57cdfdf829 powerpc: Fix hcall tracepoint recursion 
Spinlocks on shared processor partitions use H_YIELD to notify the
hypervisor we are waiting on another virtual CPU. Unfortunately this means
the hcall tracepoints can recurse.

The patch below adds a percpu depth and checks it on both the entry and
exit hcall tracepoints.

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: stable@kernel.org
 		2011-02-07 13:06:08 +11:00
..
8xx powerpc/8xx: Add support for the MPC8xx based boards from TQC 2010-08-04 14:25:22 -05:00
40x of/flattree: Add of_flat_dt_match() helper function 2011-01-01 13:03:25 -07:00
44x powerpc/4xx: Add suspend and idle support 2010-11-29 10:05:06 -05:00
52xx Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-01-13 10:05:56 -08:00
82xx powerpc: remove references to of_device and to_of_device 2010-07-24 09:58:21 -06:00
83xx Merge branch 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6 2011-01-21 13:24:16 -08:00
85xx Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-01-13 10:05:56 -08:00
86xx Merge commit 'v2.6.35-rc6' into devicetree/next 2010-07-24 09:49:13 -06:00
512x of/flattree: Add of_flat_dt_match() helper function 2011-01-01 13:03:25 -07:00
amigaone of/address: Clean up function declarations 2010-08-01 01:42:42 -06:00
cell powerpc/kdump: Move crash_kexec_stop_spus to kdump crash handler 2011-01-21 14:08:36 +11:00
chrp powerpc/nvram: Move things out of asm/nvram.h 2010-11-30 15:09:19 +11:00
embedded6xx powerpc/kexec: Remove empty ppc_md.machine_kexec_prepare 2011-01-21 14:08:36 +11:00
iseries kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT 2011-01-20 17:02:05 -08:00
maple powerpc/maple: Add of_node_put to avoid memory leak 2010-09-02 14:07:33 +10:00
pasemi powerpc/pasemi: Clean up pasemi iommu table initializations 2010-11-29 15:48:20 +11:00
powermac powerpc/powermac: Make auto-loading of therm_pm72 possible 2010-12-09 15:36:30 +11:00
prep powerpc/kconfig: Kill PPC_MULTIPLATFORM 2009-03-11 17:11:35 +11:00
ps3 tree-wide: fix comment/printk typos 2010-11-01 15:38:34 -04:00
pseries powerpc: Fix hcall tracepoint recursion 2011-02-07 13:06:08 +11:00
Kconfig Merge v2.6.37-rc8 into powerpc/next 2010-12-29 22:21:47 -07:00
Kconfig.cputype powerpc/fsl-booke: Add support for FSL 64-bit e5500 core 2010-10-14 00:55:03 -05:00
Makefile powerpc/85xx: Kconfig cleanup 2009-11-20 16:45:27 -06:00
fsl_uli1575.c PCI: add pci_bus_for_each_resource(), remove direct bus->resource[] refs 2010-02-23 09:43:31 -08:00