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Filename Latest commit message Latest commit date
Nathan Chancellor ced17a55a8 mm: Fix '.data.once' orphan section warning
Portions of upstream commit a4055888629b ("mm/memcg: warning on !memcg
after readahead page charged") were backported as commit cfe575954d
("mm: add VM_WARN_ON_ONCE_PAGE() macro"). Unfortunately, the backport
did not account for the lack of commit 33def8498fdd ("treewide: Convert
macro and uses of __section(foo) to __section("foo")") in kernels prior
to 5.10, resulting in the following orphan section warnings on PowerPC
clang builds with CONFIG_DEBUG_VM=y:

  powerpc64le-linux-gnu-ld: warning: orphan section `".data.once"' from `mm/huge_memory.o' being placed in section `".data.once"'
  powerpc64le-linux-gnu-ld: warning: orphan section `".data.once"' from `mm/huge_memory.o' being placed in section `".data.once"'
  powerpc64le-linux-gnu-ld: warning: orphan section `".data.once"' from `mm/huge_memory.o' being placed in section `".data.once"'

This is a difference between how clang and gcc handle macro
stringification, which was resolved for the kernel by not stringifying
the argument to the __section() macro. Since that change was deemed not
suitable for the stable kernels by commit 59f89518f5 ("once: fix
section mismatch on clang builds"), do that same thing as that change
and remove the quotes from the argument to __section().

Fixes: cfe575954d ("mm: add VM_WARN_ON_ONCE_PAGE() macro")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-12-08 11:23:04 +01:00
arch arm64: errata: Fix KVM Spectre-v2 mitigation selection for Cortex-A57/A72 2022-12-08 11:23:04 +01:00
block block, bfq: fix null pointer dereference in bfq_bio_bfqg() 2022-12-08 11:22:57 +01:00
certs
crypto crypto: akcipher - default implementation for setting a private key 2022-10-26 13:22:45 +02:00
Documentation docs: update mediator contact information in CoC doc 2022-11-25 17:42:20 +01:00
drivers mmc: sdhci-sprd: Fix no reset data and command after voltage switch 2022-12-08 11:23:04 +01:00
fs nilfs2: fix NULL pointer dereference in nilfs_palloc_commit_free_entry() 2022-12-08 11:23:04 +01:00
include mm: Fix '.data.once' orphan section warning 2022-12-08 11:23:04 +01:00
init init/Kconfig: fix CC_HAS_ASM_GOTO_TIED_OUTPUT test with dash 2022-12-08 11:22:59 +01:00
ipc ipc: remove memcg accounting for sops objects in do_semtimedop() 2022-11-10 17:57:58 +01:00
kernel tracing: Free buffers when a used dynamic event is removed 2022-12-08 11:23:04 +01:00
lib error-injection: Add prompt for function error injection 2022-12-08 11:23:04 +01:00
LICENSES
mm mm: fs: initialize fsdata passed to write_begin/write_end interface 2022-11-25 17:42:22 +01:00
net sctp: fix memory leak in sctp_stream_outq_migrate() 2022-12-08 11:23:03 +01:00
samples
scripts scripts/faddr2line: Fix regression in name resolution on ppc64le 2022-12-08 11:23:02 +01:00
security capabilities: fix potential memleak on error path from vfs_getxattr_alloc() 2022-11-10 17:57:55 +01:00
sound ASoC: Intel: bytcht_es8316: Add quirk for the Nanote UMPC-01 2022-12-08 11:23:00 +01:00
tools tools/vm/slabinfo-gnuplot: use "grep -E" instead of "egrep" 2022-12-08 11:23:04 +01:00
usr
virt KVM: arm64: vgic: Fix exit condition in scan_its_table() 2022-10-29 10:20:35 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: add Chandan as xfs maintainer for 5.4.y 2022-09-28 11:03:58 +02:00
Makefile Linux 5.4.225 2022-11-25 17:42:22 +01:00
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.