x86/percpu: Move current_top_of_stack next to current_task
authorThomas Gleixner <tglx@linutronix.de>
Thu, 15 Sep 2022 11:11:04 +0000 (13:11 +0200)
committerPeter Zijlstra <peterz@infradead.org>
Mon, 17 Oct 2022 14:41:05 +0000 (16:41 +0200)
commitc063a217bc0726c2560138229de5673dbb253a02
tree2cd279066be02c20600ed0aa0d9a1e7e496ecb33
parent7443b296e699e6922f5be243c8d2e316de8cacbe
x86/percpu: Move current_top_of_stack next to current_task

Extend the struct pcpu_hot cacheline with current_top_of_stack;
another very frequently used value.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220915111145.493038635@infradead.org
arch/x86/entry/entry_32.S
arch/x86/entry/entry_64.S
arch/x86/entry/entry_64_compat.S
arch/x86/include/asm/current.h
arch/x86/include/asm/processor.h
arch/x86/kernel/asm-offsets.c
arch/x86/kernel/cpu/common.c
arch/x86/kernel/process_32.c
arch/x86/kernel/process_64.c
arch/x86/kernel/smpboot.c
arch/x86/kernel/traps.c