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Wen Yang efc95f2ef7 timekeeping: Prevent 32bit truncation in scale64_check_overflow()
[ Upstream commit 4cbbc3a0eeed675449b1a4d080008927121f3da3 ]

While unlikely the divisor in scale64_check_overflow() could be >= 32bit in
scale64_check_overflow(). do_div() truncates the divisor to 32bit at least
on 32bit platforms.

Use div64_u64() instead to avoid the truncation to 32-bit.

[ tglx: Massaged changelog ]

Signed-off-by: Wen Yang <wenyang@linux.alibaba.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200120100523.45656-1-wenyang@linux.alibaba.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-01 13:17:38 +02:00
arch x86/pkeys: Add check for pkey "overflow" 2020-10-01 13:17:35 +02:00
block
certs
crypto
Documentation
drivers media: go7007: Fix URB type for interrupt handling 2020-10-01 13:17:38 +02:00
fs nfsd: Fix a perf warning 2020-10-01 13:17:31 +02:00
include
init
ipc
kernel timekeeping: Prevent 32bit truncation in scale64_check_overflow() 2020-10-01 13:17:38 +02:00
lib
LICENSES
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net Bluetooth: guard against controllers sending zero'd events 2020-10-01 13:17:38 +02:00
samples
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security selinux: sel_avc_get_stat_idx should increase position index 2020-10-01 13:17:32 +02:00
sound ASoC: SOF: ipc: check ipc return value before data copy 2020-10-01 13:17:37 +02:00
tools perf test: Fix test trace+probe_vfs_getname.sh on s390 2020-10-01 13:17:34 +02:00
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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.