Revision 3619ef76b37d4803bc9daee9d03d82c8526db378 authored by Namhyung Kim on 08 June 2017, 07:31:01 UTC, committed by Arnaldo Carvalho de Melo on 08 June 2017, 18:38:41 UTC
The commit 6ebd2547dd24 ("perf annotate: Fix a bug following symbolic link of a build-id file") changed to use dirname to follow the symlink. But it only considers new-style build-id cache names so old names fail on readlink() and force to use system path which might not available. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Taeung Song <treeze.taeung@gmail.com> Cc: Wang Nan <wangnan0@huawei.com> Cc: kernel-team@lge.com Fixes: 6ebd2547dd24 ("perf annotate: Fix a bug following symbolic link of a build-id file") Link: http://lkml.kernel.org/r/20170608073109.30699-2-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Kconfig
#
# Plug and Play configuration
#
menuconfig PNP
bool "Plug and Play support"
depends on HAS_IOMEM
depends on ISA || ACPI
---help---
Plug and Play (PnP) is a standard for peripherals which allows those
peripherals to be configured by software, e.g. assign IRQ's or other
parameters. No jumpers on the cards are needed, instead the values
are provided to the cards from the BIOS, from the operating system,
or using a user-space utility.
Say Y here if you would like Linux to configure your Plug and Play
devices. You should then also say Y to all of the protocols below.
Alternatively, you can say N here and configure your PnP devices
using user space utilities such as the isapnptools package.
If unsure, say Y.
config PNP_DEBUG_MESSAGES
default y
bool "PNP debugging messages"
depends on PNP
help
Say Y here if you want the PNP layer to be able to produce debugging
messages if needed. The messages can be enabled at boot-time with
the pnp.debug kernel parameter.
This option allows you to save a bit of space if you do not want
the messages to even be built into the kernel.
If you have any doubts about this, say Y here.
if PNP
comment "Protocols"
source "drivers/pnp/isapnp/Kconfig"
source "drivers/pnp/pnpbios/Kconfig"
source "drivers/pnp/pnpacpi/Kconfig"
endif # PNP
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