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Dennis Zhou 04fed9d3e7 percpu: convert spin_lock_irq to spin_lock_irqsave.
[ Upstream commit 6ab7d47bcb ]

From Michael Cree:
  "Bisection lead to commit b38d08f318 ("percpu: restructure
   locking") as being the cause of lockups at initial boot on
   the kernel built for generic Alpha.

   On a suggestion by Tejun Heo that:

   So, the only thing I can think of is that it's calling
   spin_unlock_irq() while irq handling isn't set up yet.
   Can you please try the followings?

   1. Convert all spin_[un]lock_irq() to
      spin_lock_irqsave/unlock_irqrestore()."

Fixes: b38d08f318 ("percpu: restructure locking")
Reported-and-tested-by: Michael Cree <mcree@orcon.net.nz>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-02-12 19:46:05 +01:00
Documentation mm, proc: be more verbose about unstable VMA flags in /proc/<pid>/smaps 2019-01-26 09:37:07 +01:00
arch KVM: PPC: Book3S: Only report KVM_CAP_SPAPR_TCE_VFIO on powernv machines 2019-02-12 19:46:04 +01:00
block block: fix infinite loop if the device loses discard capability 2018-12-29 13:39:07 +01:00
certs Replace magic for trusting the secondary keyring with #define 2018-09-09 19:55:54 +02:00
crypto crypto: aes_ti - disable interrupts while accessing S-box 2019-02-12 19:45:57 +01:00
drivers usb: musb: dsps: fix otg state machine 2019-02-12 19:46:05 +01:00
firmware
fs udf: Fix BUG on corrupted inode 2019-02-12 19:46:03 +01:00
include net/mlx5: EQ, Use the right place to store/read IRQ affinity hint 2019-02-12 19:45:59 +01:00
init init: rename and re-order boot_cpu_state_init() 2018-08-15 18:12:48 +02:00
ipc ipc/sem.c: prevent queue.status tearing in semop 2018-09-05 09:26:30 +02:00
kernel kobject: return error code if writing /sys/.../uevent fails 2019-02-12 19:46:02 +01:00
lib lib: fix build failure in CONFIG_DEBUG_VIRTUAL test 2019-01-13 10:01:07 +01:00
mm percpu: convert spin_lock_irq to spin_lock_irqsave. 2019-02-12 19:46:05 +01:00
net l2tp: fix reading optional fields of L2TPv3 2019-02-06 17:31:33 +01:00
samples samples/bpf: Check the error of write() and read() 2018-08-24 13:09:12 +02:00
scripts modpost: validate symbol names also in find_elf_symbol 2019-02-12 19:45:59 +01:00
security smack: fix access permissions for keyring 2019-02-12 19:46:01 +01:00
sound ASoC: fsl: Fix SND_SOC_EUKREA_TLV320 build error on i.MX8M 2019-02-12 19:46:04 +01:00
tools perf probe: Fix unchecked usage of strncpy() 2019-02-12 19:46:05 +01:00
usr
virt arm64: KVM: Skip MMIO insn after emulation 2019-02-12 19:46:05 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: Add Sasha as a stable branch maintainer 2018-12-01 09:42:50 +01:00
Makefile Linux 4.14.98 2019-02-06 17:31:37 +01:00
README

README

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

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.