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0a4e38e64f
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Alexander Shishkin 0a4e38e64f perf: Support high-order allocations for AUX space 
Some pmus (such as BTS or Intel PT without multiple-entry ToPA capability)
don't support scatter-gather and will prefer larger contiguous areas for
their output regions.

This patch adds a new pmu capability to request higher order allocations.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kaixu Xia <kaixu.xia@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Robert Richter <rric@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: acme@infradead.org
Cc: adrian.hunter@intel.com
Cc: kan.liang@intel.com
Cc: markus.t.metzger@intel.com
Cc: mathieu.poirier@linaro.org
Link: http://lkml.kernel.org/r/1421237903-181015-4-git-send-email-alexander.shishkin@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-04-02 17:14:08 +02:00
..
acpi Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2015-02-19 11:28:36 -08:00
asm-generic OK, this has the big virtio 1.0 implementation, as specified by OASIS. 2015-02-18 09:24:01 -08:00
clocksource time: move the timecounter/cyclecounter code into its own file. 2014-12-30 18:29:25 -05:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2015-02-14 09:47:01 -08:00
drm drm/ttm: device address space != CPU address space 2015-03-05 09:04:39 +10:00
dt-bindings ARM: dts: am43xx: fix SLEWCTRL_FAST pinctrl binding 2015-03-06 09:21:03 -08:00
keys
kvm arm/arm64: KVM: Keep elrsr/aisr in sync with software model 2015-03-14 13:42:07 +01:00
linux perf: Support high-order allocations for AUX space 2015-04-02 17:14:08 +02:00
math-emu
media [media] tea575x: split and export functions 2015-01-27 10:13:50 -02:00
memory
misc
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2015-03-22 16:57:07 -04:00
pcmcia
ras
rdma Revert "IB/core: Add support for extended query device caps" 2015-02-06 00:54:33 -08:00
rxrpc
scsi Merge branch 'for-3.20/core' of git://git.kernel.dk/linux-block 2015-02-12 14:13:23 -08:00
soc pm: at91: Workaround DDRSDRC self-refresh bug with LPDDR1 memories. 2015-03-03 19:43:59 +01:00
sound ALSA: pcm: allow for trigger_tstamp snapshot in .trigger 2015-02-09 16:01:53 +01:00
target target: do not reject FUA CDBs when write cache is enabled but emulate_write_cache is 0 2015-03-19 23:26:46 -07:00
trace regmap: introduce regmap_name to fix syscon regmap trace events 2015-03-19 20:04:55 +00:00
uapi perf: Add AUX area to ring buffer for raw data streams 2015-04-02 17:13:46 +02:00
video OMAPDSS: fix regression with display sysfs files 2015-02-26 10:23:15 +02:00
xen xen: Remove trailing semicolon from xenbus_register_frontend() definition 2015-03-02 10:38:59 +00:00
Kbuild