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Date: Tue, 29 Jun 2021 15:34:50 +0200
From: Petr Mladek <pmladek@...e.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Sergey Senozhatsky <senozhatsky@...omium.org>,
Steven Rostedt <rostedt@...dmis.org>,
John Ogness <john.ogness@...utronix.de>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Rasmus Villemoes <linux@...musvillemoes.dk>,
Andrew Morton <akpm@...ux-foundation.org>,
Peter Zijlstra <peterz@...radead.org>,
linux-kernel@...r.kernel.org
Subject: [GIT PULL] printk for 5.14
Linus,
please pull the latest printk changes from
git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux.git tags/printk-for-5.14
=====================================
- Add %pt[RT]s modifier to vsprintf(). It overrides ISO 8601 separator by
using ' ' (space). It produces "YYYY-mm-dd HH:MM:SS" instead of
"YYYY-mm-ddTHH:MM:SS".
- Correctly parse long row of numbers by sscanf() when using the field
width. Add extensive sscanf() selftest.
- Generalize re-entrant CPU lock that has already been used to serialize
dump_stack() output. It is part of the ongoing printk rework. It will
allow to remove the obsoleted printk_safe buffers and introduce atomic
consoles.
- Some code clean up and sparse warning fix.
======================================
Conflict with Andrew's -mm tree:
The commit generalizing the CPU lock conflicts with a patch that
introduces dump_stack_lvl(log_lvl). The resulting code is simple.
But the 3-way merge combined the hunks a messy way here.
A sample resolution can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux.git origin/for-5.14-mm-dump_stack-loglvl-conflict
----------------------------------------------------------------
Andy Shevchenko (4):
lib/vsprintf: Allow to override ISO 8601 date and time separator
kdb: Switch to use %ptTs
nilfs2: Switch to use %ptTs
usb: host: xhci-tegra: Switch to use %ptTs
Huilong Deng (1):
printk: Remove trailing semicolon in macros
John Ogness (2):
lib/dump_stack: move cpu lock to printk.c
printk: fix cpu lock ordering
Petr Mladek (3):
Merge branch 'for-5.14-vsprintf-pts' into for-linus
Merge branch 'for-5.14-vsprintf-scanf' into for-linus
Merge branch 'printk-rework' into for-linus
Richard Fitzgerald (6):
lib: vsprintf: scanf: Negative number must have field width > 1
lib: vsprintf: Fix handling of number field widths in vsscanf
lib: test_scanf: Add tests for sscanf number conversion
selftests: lib: Add wrapper script for test_scanf
lib: test_scanf: Remove pointless use of type_min() with unsigned types
random32: Fix implicit truncation warning in prandom_seed_state()
Documentation/core-api/printk-formats.rst | 7 +-
MAINTAINERS | 1 +
drivers/usb/host/xhci-tegra.c | 6 +-
fs/nilfs2/sysfs.c | 19 +-
include/linux/dev_printk.h | 2 +-
include/linux/prandom.h | 2 +-
include/linux/printk.h | 41 ++
kernel/debug/kdb/kdb_main.c | 9 +-
kernel/printk/printk.c | 116 +++++
lib/Kconfig.debug | 3 +
lib/Makefile | 1 +
lib/dump_stack.c | 38 +-
lib/kstrtox.c | 13 +-
lib/kstrtox.h | 2 +
lib/test_printf.c | 5 +
lib/test_scanf.c | 750 ++++++++++++++++++++++++++++++
lib/vsprintf.c | 110 +++--
tools/testing/selftests/lib/Makefile | 2 +-
tools/testing/selftests/lib/config | 1 +
tools/testing/selftests/lib/scanf.sh | 4 +
20 files changed, 1020 insertions(+), 112 deletions(-)
create mode 100644 lib/test_scanf.c
create mode 100755 tools/testing/selftests/lib/scanf.sh
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