linux/arch/x86/include
Peter Zijlstra db4e919d9a x86/math64: Provide a sane mul_u64_u32_div() implementation for x86_64
On x86_64 we can do a u64 * u64 -> u128 widening multiply followed by
a u128 / u64 -> u64 division to implement a sane version of
mul_u64_u32_div().

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-09-03 08:56:14 +02:00
..
asm x86/math64: Provide a sane mul_u64_u32_div() implementation for x86_64 2019-09-03 08:56:14 +02:00
uapi/asm treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00