]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
x86, boot: Skip relocs when load address unchanged
authorKees Cook <keescook@chromium.org>
Fri, 16 Jan 2015 00:51:46 +0000 (16:51 -0800)
committerThomas Gleixner <tglx@linutronix.de>
Tue, 20 Jan 2015 11:37:23 +0000 (12:37 +0100)
commitf285f4a21c3253887caceed493089ece17579d59
tree17d7cc4556d5a1b144b49f79064cdfa222789441
parent8abb850a03a3a8b11a0e92949e5b99d9cc178e35
x86, boot: Skip relocs when load address unchanged

On 64-bit, relocation is not required unless the load address gets
changed. Without this, relocations do unexpected things when the kernel
is above 4G.

Reported-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Tested-by: Thomas D. <whissi@whissi.de>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Jan Beulich <JBeulich@suse.com>
Cc: Junjie Mao <eternal.n08@gmail.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20150116005146.GA4212@www.outflux.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/boot/compressed/misc.c