summaryrefslogtreecommitdiff
path: root/arch/x86/mm/init_64.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2019-11-25 09:05:09 +0100
committerIngo Molnar <mingo@kernel.org>2019-11-25 09:05:09 +0100
commitf01ec4fca8207e31b59a010c3de679c833f3a877 (patch)
tree668813e1fe0dfffa5535b7531ba6ed489c912831 /arch/x86/mm/init_64.c
parent45c08383141794a7e9b26f35d491b74f33ac469e (diff)
parent66584ea6b70a6cbae661292702e56a07580dbbd4 (diff)
Merge branch 'x86/build' into x86/asm, to pick up completed topic branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/mm/init_64.c')
-rw-r--r--arch/x86/mm/init_64.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index a6b5c653727b..dcb9bc961b39 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1263,7 +1263,7 @@ int kernel_set_to_readonly;
void set_kernel_text_rw(void)
{
unsigned long start = PFN_ALIGN(_text);
- unsigned long end = PFN_ALIGN(__stop___ex_table);
+ unsigned long end = PFN_ALIGN(_etext);
if (!kernel_set_to_readonly)
return;
@@ -1282,7 +1282,7 @@ void set_kernel_text_rw(void)
void set_kernel_text_ro(void)
{
unsigned long start = PFN_ALIGN(_text);
- unsigned long end = PFN_ALIGN(__stop___ex_table);
+ unsigned long end = PFN_ALIGN(_etext);
if (!kernel_set_to_readonly)
return;
@@ -1300,9 +1300,9 @@ void mark_rodata_ro(void)
{
unsigned long start = PFN_ALIGN(_text);
unsigned long rodata_start = PFN_ALIGN(__start_rodata);
- unsigned long end = (unsigned long) &__end_rodata_hpage_align;
- unsigned long text_end = PFN_ALIGN(&__stop___ex_table);
- unsigned long rodata_end = PFN_ALIGN(&__end_rodata);
+ unsigned long end = (unsigned long)__end_rodata_hpage_align;
+ unsigned long text_end = PFN_ALIGN(_etext);
+ unsigned long rodata_end = PFN_ALIGN(__end_rodata);
unsigned long all_end;
printk(KERN_INFO "Write protecting the kernel read-only data: %luk\n",
@@ -1334,8 +1334,10 @@ void mark_rodata_ro(void)
set_memory_ro(start, (end-start) >> PAGE_SHIFT);
#endif
- free_kernel_image_pages((void *)text_end, (void *)rodata_start);
- free_kernel_image_pages((void *)rodata_end, (void *)_sdata);
+ free_kernel_image_pages("unused kernel image (text/rodata gap)",
+ (void *)text_end, (void *)rodata_start);
+ free_kernel_image_pages("unused kernel image (rodata/data gap)",
+ (void *)rodata_end, (void *)_sdata);
debug_checkwx();
}