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Filename Latest commit message Latest commit date
Madhavan Srinivasan 54c9afe415 powerpc/perf: Fix missing is_sier_aviable() during build
[ Upstream commit 3c9450c053f88e525b2db1e6990cdf34d14e7696 ]

Compilation error:
  arch/powerpc/perf/perf_regs.c:80:undefined reference to `.is_sier_available'

Currently is_sier_available() is part of core-book3s.c, which is added
to build based on CONFIG_PPC_PERF_CTRS.

A config with CONFIG_PERF_EVENTS and without CONFIG_PPC_PERF_CTRS will
have a build break because of missing is_sier_available().

In practice it only breaks when CONFIG_FSL_EMB_PERF_EVENT=n because
that also guards the usage of is_sier_available(). That only happens
with CONFIG_PPC_BOOK3E_64=y and CONFIG_FSL_SOC_BOOKE=n.

Patch adds is_sier_available() in asm/perf_event.h to fix the build
break for configs missing CONFIG_PPC_PERF_CTRS.

Fixes: 333804dc3b ("powerpc/perf: Update perf_regs structure to include SIER")
Reported-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
[mpe: Add detail about CONFIG_FSL_SOC_BOOKE]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200614083604.302611-1-maddy@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-08-19 08:16:14 +02:00
arch powerpc/perf: Fix missing is_sier_aviable() during build 2020-08-19 08:16:14 +02:00
block iocost: Fix check condition of iocg abs_vdebt 2020-08-19 08:15:58 +02:00
certs
crypto keys: asymmetric: fix error return code in software_key_query() 2020-07-22 09:33:04 +02:00
Documentation iio: improve IIO_CONCENTRATION channel type description 2020-08-19 08:16:07 +02:00
drivers coresight: tmc: Fix TMC mode read in tmc_read_unprepare_etb() 2020-08-19 08:16:14 +02:00
fs kernfs: do not call fsnotify() with name without a parent 2020-08-19 08:16:12 +02:00
include ipvs: allow connection reuse for unconfirmed conntrack 2020-08-19 08:16:10 +02:00
init x86: Fix early boot crash on gcc-10, third try 2020-05-20 08:20:34 +02:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:20:16 +02:00
kernel seccomp: Fix ioctl number for SECCOMP_IOCTL_NOTIF_ID_VALID 2020-08-19 08:15:58 +02:00
lib kobject: Avoid premature parent object freeing in kobject_cleanup() 2020-08-19 08:16:11 +02:00
LICENSES
mm mm/mmap.c: Add cond_resched() for exit_mmap() CPU stalls 2020-08-19 08:16:02 +02:00
net ipvs: allow connection reuse for unconfirmed conntrack 2020-08-19 08:16:10 +02:00
samples bpf: Fix fds_example SIGSEGV error 2020-08-19 08:16:03 +02:00
scripts recordmcount: only record relocation of type R_AARCH64_CALL26 on arm64. 2020-08-19 08:15:57 +02:00
security ima: Have the LSM free its audit rule 2020-08-19 08:16:12 +02:00
sound ASoC: meson: fixes the missed kfree() for axg_card_add_tdm_loopback 2020-08-19 08:16:13 +02:00
tools seccomp: Fix ioctl number for SECCOMP_IOCTL_NOTIF_ID_VALID 2020-08-19 08:15:58 +02:00
usr
virt KVM: arm64: Don't inherit exec permission across page-table levels 2020-08-05 09:59:51 +02:00
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Makefile Linux 5.4.58 2020-08-11 15:33:42 +02:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.