x86/cpu/topology: Simplify cpu_mark_primary_thread()
authorThomas Gleixner <tglx@linutronix.de>
Tue, 13 Feb 2024 21:06:06 +0000 (22:06 +0100)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 15 Feb 2024 21:07:44 +0000 (22:07 +0100)
commit5e40fb2d4a4c7503cab4f923b7d985dbcf583581
tree0e4603206dc66445ad67fb4f33300163f1a60471
parent882e0cff9ef340e7a47659a9aab9da64f4b9b847
x86/cpu/topology: Simplify cpu_mark_primary_thread()

No point in creating a mask via fls(). smp_num_siblings is guaranteed to be
a power of 2. So just using (smp_num_siblings - 1) has the same effect.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Link: https://lore.kernel.org/r/20240213210252.791176581@linutronix.de
arch/x86/kernel/cpu/topology.c