i386: Add warning in Documentation that zero-page is not a stable ABI
authorAndi Kleen <ak@suse.de>
Fri, 10 Aug 2007 20:31:08 +0000 (22:31 +0200)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Sat, 11 Aug 2007 22:58:14 +0000 (15:58 -0700)
commit43fb2387d0774a36f450b50d538cee84cf83858e
tree2a7c894bb93aac523cc2228b5249e659a7df3a9b
parentd3f7eae182b04997be19343a23f7009170f4f7a5
i386: Add warning in Documentation that zero-page is not a stable ABI

Some people writing boot loaders seem to falsely belief the 32bit zero page is a
stable interface for out of tree code like the real mode boot protocol. Add a comment
clarifying that is not true.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Documentation/i386/zero-page.txt