Commit-ID: cb18ef0da259db611fbf52806592fde5f469ae67
Gitweb: http://git.kernel.org/tip/cb18ef0da259db611fbf52806592fde5f469ae67
Author: Kees Cook <keescook@xxxxxxxxxxxx>
AuthorDate: Mon, 9 May 2016 13:22:05 -0700
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 10 May 2016 10:12:03 +0200
x86/boot: Add missing file header comments
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@xxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Baoquan He <bhe@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Dave Young <dyoung@xxxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Vivek Goyal <vgoyal@xxxxxxxxxx>
Cc: Yinghai Lu <yinghai@xxxxxxxxxx>
Cc: kernel-hardening@xxxxxxxxxxxxxxxxxx
Cc: lasse.collin@xxxxxxxxxxx
Link: http://lkml.kernel.org/r/1462825332-10505-3-git-send-email-keescook@xxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/boot/compressed/kaslr.c | 2 +-
arch/x86/boot/early_serial_console.c | 4 ++++
arch/x86/mm/ident_map.c | 5 +++++
3 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c
index f5a138c..f15d7b8 100644
--- a/arch/x86/boot/compressed/kaslr.c
+++ b/arch/x86/boot/compressed/kaslr.c
@@ -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.
*
* 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.
*
* What is not obvious how to avoid is the range of memory that is used
diff --git a/arch/x86/boot/early_serial_console.c b/arch/x86/boot/early_serial_console.c
index 45a0768..f0b8d6d 100644
--- a/arch/x86/boot/early_serial_console.c
+++ b/arch/x86/boot/early_serial_console.c
@@ -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"
#define DEFAULT_SERIAL_PORT 0x3f8 /* ttyS0 */
diff --git a/arch/x86/mm/ident_map.c b/arch/x86/mm/ident_map.c
index 751ca92..ec21796 100644
--- a/arch/x86/mm/ident_map.c
+++ b/arch/x86/mm/ident_map.c
@@ -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,
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));
}
}
+
static int ident_pud_init(struct x86_mapping_info *info, pud_t *pud_page,
unsigned long addr, unsigned long end)
{
--
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