Andy Lutomirski 5ff3e2c3c3 x86/boot: Rework reserve_real_mode() to allow multiple tries ... If reserve_real_mode() fails, panicing immediately means we're doomed. Make it safe to try more than once to allocate the trampoline: - Degrade a failure from panic() to pr_info(). (If we make it to setup_real_mode() without reserving the trampoline, we'll panic them.) - Factor out helpers so that platform code can supply a specific address to try. - Warn if reserve_real_mode() is called after we're done with the memblock allocator. If that were to happen, we would behave unpredictably. Signed-off-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: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mario Limonciello <mario_limonciello@dell.com> Cc: Matt Fleming <mfleming@suse.de> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/876e383038f3e9971aa72fd20a4f5da05f9d193d.1470821230.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>		2016-08-11 11:15:01 +02:00
..
rm	Kbuild: arch: look for generated headers in obtree	2016-07-18 21:31:35 +02:00
Makefile	objtool: Mark non-standard object files and directories	2016-02-29 08:35:02 +01:00
init.c	x86/boot: Rework reserve_real_mode() to allow multiple tries	2016-08-11 11:15:01 +02:00
rmpiggy.S	x86, realmode: don't copy real_mode_header	2012-05-08 11:48:45 -07:00