diff options
author | Chang S. Bae <chang.seok.bae@intel.com> | 2018-09-19 02:08:59 +0300 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2018-10-08 11:41:10 +0300 |
commit | b2e2ba578e016a091eb31565849990fe68c7c599 (patch) | |
tree | 84a488e8d21780f36b8c4dc503ed2da01eb62096 /drivers/clk/clk-efm32gg.c | |
parent | ffebbaedc8616cffe648202e364dce6a045d65a2 (diff) | |
download | linux-b2e2ba578e016a091eb31565849990fe68c7c599.tar.xz |
x86/vdso: Initialize the CPU/node NR segment descriptor earlier
Currently the CPU/node NR segment descriptor (GDT_ENTRY_CPU_NUMBER) is
initialized relatively late during CPU init, from the vCPU code, which
has a number of disadvantages, such as hotplug CPU notifiers and SMP
cross-calls.
Instead just initialize it much earlier, directly in cpu_init().
This reduces complexity and increases robustness.
[ mingo: Wrote new changelog. ]
Suggested-by: H. Peter Anvin <hpa@zytor.com>
Suggested-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Markus T Metzger <markus.t.metzger@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Shankar <ravi.v.shankar@intel.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1537312139-5580-9-git-send-email-chang.seok.bae@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/clk/clk-efm32gg.c')
0 files changed, 0 insertions, 0 deletions