summaryrefslogtreecommitdiff
path: root/arch/x86/boot/compressed/head_64.S
diff options
context:
space:
mode:
authorYinghai Lu <yinghai@kernel.org>2016-04-28 17:09:07 -0700
committerIngo Molnar <mingo@kernel.org>2016-04-29 11:03:30 +0200
commit4d2d542482205d3df1a0852751f5b004cc6390cc (patch)
treece5aca3461a76427d62413c1a07484da6f9772f1 /arch/x86/boot/compressed/head_64.S
parent67b6662559f7f77bcbd3ac67d09aaac11785f3c1 (diff)
x86/KASLR: Clean up unused code from old 'run_size' and rename it to 'kernel_total_size'
Since 'run_size' is now calculated in misc.c, the old script and associated argument passing is no longer needed. This patch removes them, and renames 'run_size' to the more descriptive 'kernel_total_size'. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Baoquan He <bhe@redhat.com> [ Rewrote the changelog, renamed 'run_size' to 'kernel_total_size' ] Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Andy Lutomirski <luto@kernel.org> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Dave Young <dyoung@redhat.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Junjie Mao <eternal.n08@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vivek Goyal <vgoyal@redhat.com> Cc: lasse.collin@tukaani.org Link: http://lkml.kernel.org/r/1461888548-32439-6-git-send-email-keescook@chromium.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/boot/compressed/head_64.S')
-rw-r--r--arch/x86/boot/compressed/head_64.S3
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 09cdc0c3ee7e..7c047002950c 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -415,8 +415,6 @@ relocated:
* Do the extraction, and jump to the new kernel..
*/
pushq %rsi /* Save the real mode argument */
- movq $z_run_size, %r9 /* size of kernel with .bss and .brk */
- pushq %r9
movq %rsi, %rdi /* real mode address */
leaq boot_heap(%rip), %rsi /* malloc area for uncompression */
leaq input_data(%rip), %rdx /* input_data */
@@ -424,7 +422,6 @@ relocated:
movq %rbp, %r8 /* output target address */
movq $z_output_len, %r9 /* decompressed length, end of relocs */
call extract_kernel /* returns kernel location in %rax */
- popq %r9
popq %rsi
/*