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x86/boot: Add missing file header comments

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There were some files with missing header comments. Since they are
included from both compressed and regular kernels, make note of that.
Also corrects a typo in the mem_avoid comments.

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: Baoquan He <bhe@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Borislav Petkov <bp@suse.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: 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: Yinghai Lu <yinghai@kernel.org>
Cc: kernel-hardening@lists.openwall.com
Cc: lasse.collin@tukaani.org
Link: http://lkml.kernel.org/r/1462825332-10505-3-git-send-email-keescook@chromium.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Kees Cook 2016-05-09 13:22:05 -07:00 committed by Ingo Molnar
parent 434a6c9f90
commit cb18ef0da2
3 changed files with 10 additions and 1 deletions
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2
arch/x86/boot/compressed/kaslr.c
View File

@ -163,7 +163,7 @@ static bool mem_overlaps(struct mem_vector *one, struct mem_vector *two)
* memory ranges lead to really hard to debug boot failures. * memory ranges lead to really hard to debug boot failures.
* *
* The initrd, cmdline, and boot_params are trivial to identify for * The initrd, cmdline, and boot_params are trivial to identify for
* avoiding. The are MEM_AVOID_INITRD, MEM_AVOID_CMDLINE, and * avoiding. They are MEM_AVOID_INITRD, MEM_AVOID_CMDLINE, and
* MEM_AVOID_BOOTPARAMS respectively below. * MEM_AVOID_BOOTPARAMS respectively below.
* *
* What is not obvious how to avoid is the range of memory that is used * What is not obvious how to avoid is the range of memory that is used

4
arch/x86/boot/early_serial_console.c
View File

@ -1,3 +1,7 @@
/*
* Serial port routines for use during early boot reporting. This code is
* included from both the compressed kernel and the regular kernel.
*/
#include "boot.h" #include "boot.h"
#define DEFAULT_SERIAL_PORT 0x3f8 /* ttyS0 */ #define DEFAULT_SERIAL_PORT 0x3f8 /* ttyS0 */

5
arch/x86/mm/ident_map.c
View File

@ -1,3 +1,7 @@
/*
* Helper routines for building identity mapping page tables. This is
* included by both the compressed kernel and the regular kernel.
*/
static void ident_pmd_init(unsigned long pmd_flag, pmd_t *pmd_page, static void ident_pmd_init(unsigned long pmd_flag, pmd_t *pmd_page,
unsigned long addr, unsigned long end) unsigned long addr, unsigned long end)
@ -10,6 +14,7 @@ static void ident_pmd_init(unsigned long pmd_flag, pmd_t *pmd_page,
set_pmd(pmd, __pmd(addr | pmd_flag)); set_pmd(pmd, __pmd(addr | pmd_flag));
} }
} }
static int ident_pud_init(struct x86_mapping_info *info, pud_t *pud_page, static int ident_pud_init(struct x86_mapping_info *info, pud_t *pud_page,
unsigned long addr, unsigned long end) unsigned long addr, unsigned long end)
{ {