x86/asm/entry/32: Document our abuse of x86_hw_tss::ss1 and x86_hw_tss::sp1
authorAndy Lutomirski <luto@amacapital.net>
Tue, 10 Mar 2015 18:06:00 +0000 (11:06 -0700)
committerIngo Molnar <mingo@kernel.org>
Tue, 17 Mar 2015 08:25:27 +0000 (09:25 +0100)
commit76e4c4908a4904a61aa67ae5eb0b2a7588c4a546
tree940da1239b6f247a94a9169d9b500dbbf0223ce3
parentd9e05cc5a53246e074dc2b84956252e4bbe392cd
x86/asm/entry/32: Document our abuse of x86_hw_tss::ss1 and x86_hw_tss::sp1

This has confused me for a while.  Now that I figured it out, document it.

Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/b7efc1b7364039824776f68e9ddee9ec1500e894.1426009661.git.luto@amacapital.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/include/asm/processor.h