From: Sasha Levin <Alexander.Levin@microsoft.com>
To: "stable@vger.kernel.org" <stable@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Sandipan Das <sandipan@linux.ibm.com>,
Jiri Olsa <jolsa@redhat.com>,
Ravi Bangoria <ravi.bangoria@linux.ibm.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Sasha Levin <Alexander.Levin@microsoft.com>
Subject: [PATCH AUTOSEL 4.4 03/17] perf probe powerpc: Ignore SyS symbols irrespective of endianness
Date: Mon, 1 Oct 2018 00:41:26 +0000 [thread overview]
Message-ID: <20181001004122.147276-3-alexander.levin@microsoft.com> (raw)
In-Reply-To: <20181001004122.147276-1-alexander.levin@microsoft.com>
From: Sandipan Das <sandipan@linux.ibm.com>
[ Upstream commit fa694160cca6dbba17c57dc7efec5f93feaf8795 ]
This makes sure that the SyS symbols are ignored for any powerpc system,
not just the big endian ones.
Reported-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Acked-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Fixes: fb6d59423115 ("perf probe ppc: Use the right prefix when ignoring SyS symbols on ppc")
Link: http://lkml.kernel.org/r/20180828090848.1914-1-sandipan@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
tools/perf/arch/powerpc/util/sym-handling.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/perf/arch/powerpc/util/sym-handling.c b/tools/perf/arch/powerpc/util/sym-handling.c
index bbc1a50768dd..873f19f1a771 100644
--- a/tools/perf/arch/powerpc/util/sym-handling.c
+++ b/tools/perf/arch/powerpc/util/sym-handling.c
@@ -27,15 +27,16 @@ void arch__elf_sym_adjust(GElf_Sym *sym)
#endif
#endif
-#if !defined(_CALL_ELF) || _CALL_ELF != 2
int arch__choose_best_symbol(struct symbol *syma,
struct symbol *symb __maybe_unused)
{
char *sym = syma->name;
+#if !defined(_CALL_ELF) || _CALL_ELF != 2
/* Skip over any initial dot */
if (*sym == '.')
sym++;
+#endif
/* Avoid "SyS" kernel syscall aliases */
if (strlen(sym) >= 3 && !strncmp(sym, "SyS", 3))
@@ -46,6 +47,7 @@ int arch__choose_best_symbol(struct symbol *syma,
return SYMBOL_A;
}
+#if !defined(_CALL_ELF) || _CALL_ELF != 2
/* Allow matching against dot variants */
int arch__compare_symbol_names(const char *namea, const char *nameb)
{
--
2.17.1
next prev parent reply other threads:[~2018-10-01 0:41 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-01 0:41 [PATCH AUTOSEL 4.4 01/17] usb: gadget: fotg210-udc: Fix memory leak of fotg210->ep[i] Sasha Levin
2018-10-01 0:41 ` Sasha Levin [this message]
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 02/17] pinctrl: msm: Really mask level interrupts to prevent latching Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 04/17] RDMA/ucma: check fd type in ucma_migrate_id() Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 05/17] USB: yurex: Check for truncation in yurex_read() Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 06/17] drm/nouveau/TBDdevinit: don't fail when PMU/PRE_OS is missing from VBIOS Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 08/17] dm thin metadata: try to avoid ever aborting transactions Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 07/17] fs/cifs: suppress a string overflow warning Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 10/17] hexagon: modify ffs() and fls() to return int Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 09/17] arch/hexagon: fix kernel/dma.c build warning Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 11/17] arm64: jump_label.h: use asm_volatile_goto macro instead of "asm goto" Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 12/17] r8169: Clear RTL_FLAG_TASK_*_PENDING when clearing RTL_FLAG_TASK_ENABLED Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 13/17] s390/qeth: don't dump past end of unknown HW header Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 15/17] xen/manage: don't complain about an empty value in control/sysrq node Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 14/17] cifs: read overflow in is_valid_oplock_break() Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 17/17] xen: fix GCC warning and remove duplicate EVTCHN_ROW/EVTCHN_COL usage Sasha Levin
2018-10-01 0:41 ` [PATCH AUTOSEL 4.4 16/17] xen: avoid crash in disable_hotplug_cpu Sasha Levin
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