| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Tue, 12 Feb 2008 21:10:21 +0100 (CET)
From: Andi Kleen <ak@...e.de>
To: tglx@...utronix.de, mingo@...e.hu, linux-kernel@...r.kernel.org
Subject: [PATCH] [2/2] Remove max_pfn_mapped
Now that 32bit and 64bit have end_pfn_map always use end_pfn_map
directly instead of the max_pfn_mapped macro.
Signed-off-by: Andi Kleen <ak@...e.de>
Index: linux/arch/x86/kernel/efi.c
===================================================================
--- linux.orig/arch/x86/kernel/efi.c
+++ linux/arch/x86/kernel/efi.c
@@ -424,7 +424,7 @@ void __init efi_enter_virtual_mode(void)
end = md->phys_addr + size;
/* RED-PEN does not handle overlapped areas */
- if ((end >> PAGE_SHIFT) <= max_pfn_mapped) {
+ if ((end >> PAGE_SHIFT) <= end_pfn_map) {
va = __va(md->phys_addr);
/* RED-PEN spec and ia64 have a lot more flags */
if (!(md->attribute & EFI_MEMORY_WB))
Index: linux/arch/x86/mm/ioremap.c
===================================================================
--- linux.orig/arch/x86/mm/ioremap.c
+++ linux/arch/x86/mm/ioremap.c
@@ -119,7 +119,7 @@ static void __iomem *__ioremap(unsigned
/*
* Don't allow anybody to remap normal RAM that we're using..
*/
- for (pfn = phys_addr >> PAGE_SHIFT; pfn < max_pfn_mapped &&
+ for (pfn = phys_addr >> PAGE_SHIFT; pfn < end_pfn_map &&
(pfn << PAGE_SHIFT) < last_addr; pfn++) {
if (page_is_ram(pfn) && pfn_valid(pfn) &&
!PageReserved(pfn_to_page(pfn)))
Index: linux/arch/x86/mm/pageattr-test.c
===================================================================
--- linux.orig/arch/x86/mm/pageattr-test.c
+++ linux/arch/x86/mm/pageattr-test.c
@@ -46,7 +46,7 @@ static int print_split(struct split_stat
s->lpg = s->gpg = s->spg = s->exec = 0;
s->min_exec = ~0UL;
s->max_exec = 0;
- for (i = 0; i < max_pfn_mapped; ) {
+ for (i = 0; i < end_pfn_map; ) {
unsigned long addr = (unsigned long)__va(i << PAGE_SHIFT);
unsigned int level;
pte_t *pte;
@@ -98,8 +98,8 @@ static int print_split(struct split_stat
expected = (s->gpg*GPS + s->lpg*LPS)/PAGE_SIZE + s->spg + missed;
if (expected != i) {
- printk(KERN_ERR "CPA max_pfn_mapped %lu but expected %lu\n",
- max_pfn_mapped, expected);
+ printk(KERN_ERR "CPA end_pfn_map %lu but expected %lu\n",
+ end_pfn_map, expected);
return 1;
}
return err;
@@ -122,22 +122,22 @@ static int pageattr_test(void)
if (print)
printk(KERN_INFO "CPA self-test:\n");
- bm = vmalloc((max_pfn_mapped + 7) / 8);
+ bm = vmalloc((end_pfn_map + 7) / 8);
if (!bm) {
printk(KERN_ERR "CPA Cannot vmalloc bitmap\n");
return -ENOMEM;
}
- memset(bm, 0, (max_pfn_mapped + 7) / 8);
+ memset(bm, 0, (end_pfn_map + 7) / 8);
failed += print_split(&sa);
srandom32(100);
for (i = 0; i < NTEST; i++) {
- unsigned long pfn = random32() % max_pfn_mapped;
+ unsigned long pfn = random32() % end_pfn_map;
addr[i] = (unsigned long)__va(pfn << PAGE_SHIFT);
len[i] = random32() % 100;
- len[i] = min_t(unsigned long, len[i], max_pfn_mapped - pfn - 1);
+ len[i] = min_t(unsigned long, len[i], end_pfn_map - pfn - 1);
if (len[i] == 0)
len[i] = 1;
Index: linux/include/asm-x86/page.h
===================================================================
--- linux.orig/include/asm-x86/page.h
+++ linux/include/asm-x86/page.h
@@ -33,10 +33,8 @@
#ifdef CONFIG_X86_64
#include <asm/page_64.h>
-#define max_pfn_mapped end_pfn_map
#else
#include <asm/page_32.h>
-#define max_pfn_mapped end_pfn_map
#endif /* CONFIG_X86_64 */
#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists