x86/boot/smp/32: Fix initial idle stack location on 32-bit kernels
authorJosh Poimboeuf <jpoimboe@redhat.com>
Wed, 21 Sep 2016 21:04:03 +0000 (16:04 -0500)
committerIngo Molnar <mingo@kernel.org>
Thu, 20 Oct 2016 07:15:23 +0000 (09:15 +0200)
commitb9b1a9c363ff7b17b2a35e20e28e86a449cfde1f
tree81e419a0b6ff2c2012e71df3beb5795e97b32964
parent6616a147a79c6fc280572f5a993e9e5ebd200d24
x86/boot/smp/32: Fix initial idle stack location on 32-bit kernels

On 32-bit kernels, the initial idle stack calculation doesn't take into
account the TOP_OF_KERNEL_STACK_PADDING, making the stack end address
inconsistent with other tasks on 32-bit.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nilay Vaish <nilayvaish@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/6cf569410bfa84cf923902fc4d628444cace94be.1474480779.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/smpboot.c