Merge branch into tip/master: 'x86/percpu'
# New commits in x86/percpu:
0548eb067ed6 ("x86/percpu: Return correct variable from current_top_of_stack()")
ed2f752e0e0a ("x86/percpu: Introduce const-qualified const_pcpu_hot to micro-optimize code generation")
59bec00ace28 ("x86/percpu: Introduce %rip-relative addressing to PER_CPU_VAR()")
aa47f90cd433 ("x86/percpu, xen: Correct PER_CPU_VAR() usage to include symbol and its addend")
39d64ee59cee ("x86/percpu: Correct PER_CPU_VAR() usage to include symbol and its addend")
24b8a23638cb ("x86/fpu: Clean up FPU switching in the middle of task switching")
e39828d2c1c0 ("x86/percpu: Use the correct asm operand modifier in percpu_stable_op()")
1d10f3aec2bb ("x86/percpu: Use C for arch_raw_cpu_ptr(), to improve code generation")
a048d3abae7c ("x86/percpu: Rewrite arch_raw_cpu_ptr() to be easier for compilers to optimize")
e29aad08b1da ("x86/percpu: Disable named address spaces for KASAN")
ca4256348660 ("x86/percpu: Use C for percpu read/write accessors")
9a462b9eafa6 ("x86/percpu: Use compiler segment prefix qualifier")
1ca3683cc6d2 ("x86/percpu: Enable named address spaces with known compiler version")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
