From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: stable-review@kernel.org, torvalds@linux-foundation.org,
akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk,
Frederic Weisbecker <fweisbec@gmail.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Paul Mackerras <paulus@samba.org>,
Stephane Eranian <eranian@google.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@elte.hu>
Subject: [29/44] perf: Handle stopped state with tracepoints
Date: Mon, 21 Mar 2011 16:10:09 -0700 [thread overview]
Message-ID: <20110321231053.660790916@clark.kroah.org> (raw)
In-Reply-To: <20110321231105.GA1744@kroah.com>
2.6.32-longterm review patch. If anyone has any objections, please let us know.
------------------
From: Frederic Weisbecker <fweisbec@gmail.com>
commit a0f7d0f7fc02465bb9758501f611f63381792996 upstream.
We toggle the state from start and stop callbacks but actually
don't check it when the event triggers. Do it so that
these callbacks actually work.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1299529629-18280-2-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
kernel/perf_event.c | 2 ++
1 file changed, 2 insertions(+)
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4167,6 +4167,8 @@ static void tp_perf_event_destroy(struct
static const struct pmu *tp_perf_event_init(struct perf_event *event)
{
+ if (event->hw.state & PERF_HES_STOPPED)
+ return 0;
/*
* Raw tracepoint data is a severe data leak, only allow root to
* have these.
next prev parent reply other threads:[~2011-03-21 23:57 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-21 23:11 [00/44] 2.6.32.34-longterm review Greg KH
2011-03-21 23:09 ` [01/44] hwmon/f71882fg: Set platform drvdata to NULL later Greg KH
2011-03-21 23:09 ` [02/44] mtd: jedec_probe: Change variable name from cfi_p to cfi Greg KH
2011-03-22 1:58 ` [Stable-review] " Ben Hutchings
2011-03-22 22:25 ` Greg KH
2011-03-21 23:09 ` [03/44] mtd: add "platform:" prefix for platform modalias Greg KH
2011-03-21 23:09 ` [04/44] libata: no special completion processing for EH commands Greg KH
2011-03-21 23:09 ` [05/44] MIPS: MTX-1: Make au1000_eth probe all PHY addresses Greg KH
2011-03-21 23:09 ` [06/44] x86/mm: Handle mm_fault_error() in kernel space Greg KH
2011-03-21 23:09 ` [07/44] ftrace: Fix memory leak with function graph and cpu hotplug Greg KH
2011-03-21 23:09 ` [08/44] x86: Fix panic when handling "mem={invalid}" param Greg KH
2011-03-21 23:09 ` [09/44] x86: Emit "mem=nopentium ignored" warning when not supported Greg KH
2011-03-21 23:09 ` [10/44] ahci: AHCI and RAID mode SATA patch for Intel Patsburg DeviceIDs Greg KH
2011-03-21 23:09 ` [11/44] ahci: AHCI mode SATA patch for Intel DH89xxCC DeviceIDs Greg KH
2011-03-21 23:09 ` [12/44] ahci: AHCI mode SATA patch for Intel Patsburg SATA RAID controller Greg KH
2011-03-21 23:09 ` [13/44] RDMA/cma: Fix crash in request handlers Greg KH
2011-03-21 23:09 ` [14/44] IB/cm: Bump reference count on cm_id before invoking callback Greg KH
2011-03-21 23:09 ` [15/44] x86, quirk: Fix SB600 revision check Greg KH
2011-03-21 23:09 ` [16/44] ath9k_hw: Fix incorrect macversion and macrev checks Greg KH
2011-03-21 23:09 ` [17/44] USB: serial/kobil_sct, fix potential tty NULL dereference Greg KH
2011-03-21 23:09 ` [18/44] USB: serial: ch341: add new id Greg KH
2011-03-21 23:09 ` [19/44] xhci: Fix cycle bit calculation during stall handling Greg KH
2011-03-21 23:10 ` [20/44] ALSA: hda - fix digital mic selection in mixer on 92HD8X codecs Greg KH
2011-03-21 23:10 ` [21/44] PCI: remove quirk for pre-production systems Greg KH
2011-03-21 23:10 ` [22/44] PCI: add more checking to ICH region quirks Greg KH
2011-03-21 23:10 ` [23/44] PCI: do not create quirk I/O regions below PCIBIOS_MIN_IO for ICH Greg KH
2011-03-21 23:10 ` [24/44] PCI: sysfs: Fix failure path for addition of "vpd" attribute Greg KH
2011-03-21 23:10 ` [25/44] ALSA: ctxfi - Fix incorrect SPDIF status bit mask Greg KH
2011-03-21 23:10 ` [26/44] ALSA: ctxfi - Fix SPDIF status retrieval Greg KH
2011-03-21 23:10 ` [27/44] ALSA: ctxfi - Clear input settings before initialization Greg KH
2011-03-21 23:10 ` [28/44] SUNRPC: Ensure we always run the tk_callback before tk_action Greg KH
2011-03-21 23:10 ` Greg KH [this message]
2011-03-21 23:10 ` [30/44] perf, powerpc: Handle events that raise an exception without overflowing Greg KH
2011-03-21 23:10 ` [31/44] ext3: Always set dx_nodes fake_dirent explicitly Greg KH
2011-03-21 23:10 ` [32/44] call_function_many: fix list delete vs add race Greg KH
2011-03-21 23:10 ` [33/44] call_function_many: add missing ordering Greg KH
2011-03-21 23:10 ` [34/44] x86: Flush TLB if PGD entry is changed in i386 PAE mode Greg KH
2011-03-21 23:10 ` [35/44] isdn: avoid calling tty_ldisc_flush() in atomic context Greg KH
2011-03-21 23:10 ` [36/44] smp_call_function_many: handle concurrent clearing of mask Greg KH
2011-03-21 23:10 ` [37/44] [PARISC] fix per-cpu flag problem in the cpu affinity checkers Greg KH
2011-03-21 23:10 ` [38/44] i2c: Fix typo in instantiating-devices document Greg KH
2011-03-21 23:10 ` [39/44] mmc: sdio: remember new card RCA when redetecting card Greg KH
2011-03-21 23:10 ` [40/44] powerpc/kexec: Fix race in kexec shutdown Greg KH
2011-03-21 23:10 ` [41/44] powerpc/kdump: Fix race in kdump shutdown Greg KH
2011-03-21 23:10 ` [42/44] powerpc: rtas_flash needs to use rtas_data_buf Greg KH
2011-03-21 23:10 ` [43/44] x86, binutils, xen: Fix another wrong size directive Greg KH
2011-03-21 23:10 ` [44/44] hwmon: (sht15) Fix integer overflow in humidity calculation Greg KH
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