summaryrefslogtreecommitdiff
path: root/arch/arm64/kernel/kaslr.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-16 17:17:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-16 17:17:24 -0700
commitbe092017b6ffbd013f481f915632db6aa9fc3ca3 (patch)
tree56f37b2b232ef41c0202c4f57d8e83e93d9168f4 /arch/arm64/kernel/kaslr.c
parentfb6363e9f4eeb37323feb8253b93854195942b8b (diff)
parente6d9a52543338603e25e71e0e4942f05dae0dd8a (diff)
downloadlinux-next-be092017b6ffbd013f481f915632db6aa9fc3ca3.tar.gz
linux-next-be092017b6ffbd013f481f915632db6aa9fc3ca3.zip
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon: - virt_to_page/page_address optimisations - support for NUMA systems described using device-tree - support for hibernate/suspend-to-disk - proper support for maxcpus= command line parameter - detection and graceful handling of AArch64-only CPUs - miscellaneous cleanups and non-critical fixes * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (92 commits) arm64: do not enforce strict 16 byte alignment to stack pointer arm64: kernel: Fix incorrect brk randomization arm64: cpuinfo: Missing NULL terminator in compat_hwcap_str arm64: secondary_start_kernel: Remove unnecessary barrier arm64: Ensure pmd_present() returns false after pmd_mknotpresent() arm64: Replace hard-coded values in the pmd/pud_bad() macros arm64: Implement pmdp_set_access_flags() for hardware AF/DBM arm64: Fix typo in the pmdp_huge_get_and_clear() definition arm64: mm: remove unnecessary EXPORT_SYMBOL_GPL arm64: always use STRICT_MM_TYPECHECKS arm64: kvm: Fix kvm teardown for systems using the extended idmap arm64: kaslr: increase randomization granularity arm64: kconfig: drop CONFIG_RTC_LIB dependency arm64: make ARCH_SUPPORTS_DEBUG_PAGEALLOC depend on !HIBERNATION arm64: hibernate: Refuse to hibernate if the boot cpu is offline arm64: kernel: Add support for hibernate/suspend-to-disk PM / Hibernate: Call flush_icache_range() on pages restored in-place arm64: Add new asm macro copy_page arm64: Promote KERNEL_START/KERNEL_END definitions to a header file arm64: kernel: Include _AC definition in page.h ...
Diffstat (limited to 'arch/arm64/kernel/kaslr.c')
-rw-r--r--arch/arm64/kernel/kaslr.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm64/kernel/kaslr.c b/arch/arm64/kernel/kaslr.c
index 582983920054..b05469173ba5 100644
--- a/arch/arm64/kernel/kaslr.c
+++ b/arch/arm64/kernel/kaslr.c
@@ -74,7 +74,7 @@ extern void *__init __fixmap_remap_fdt(phys_addr_t dt_phys, int *size,
* containing function pointers) to be reinitialized, and zero-initialized
* .bss variables will be reset to 0.
*/
-u64 __init kaslr_early_init(u64 dt_phys)
+u64 __init kaslr_early_init(u64 dt_phys, u64 modulo_offset)
{
void *fdt;
u64 seed, offset, mask, module_range;
@@ -132,8 +132,8 @@ u64 __init kaslr_early_init(u64 dt_phys)
* boundary (for 4KB/16KB/64KB granule kernels, respectively). If this
* happens, increase the KASLR offset by the size of the kernel image.
*/
- if ((((u64)_text + offset) >> SWAPPER_TABLE_SHIFT) !=
- (((u64)_end + offset) >> SWAPPER_TABLE_SHIFT))
+ if ((((u64)_text + offset + modulo_offset) >> SWAPPER_TABLE_SHIFT) !=
+ (((u64)_end + offset + modulo_offset) >> SWAPPER_TABLE_SHIFT))
offset = (offset + (u64)(_end - _text)) & mask;
if (IS_ENABLED(CONFIG_KASAN))