diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-08-25 11:04:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-25 11:04:51 +0200 |
| commit | 10c9850cb2ced2ce528e5b692c639974213a64ec (patch) | |
| tree | f8063beac0ba1dab069d25661845c5b7ef9a67c7 /arch/x86/mm | |
| parent | Merge branch 'x86/asm' into locking/core (diff) | |
| parent | Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledfo... (diff) | |
| download | linux-10c9850cb2ced2ce528e5b692c639974213a64ec.tar.xz linux-10c9850cb2ced2ce528e5b692c639974213a64ec.zip | |
Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/init.c | 3 | ||||
| -rw-r--r-- | arch/x86/mm/mmap.c | 7 |
2 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 673541eb3b3f..bf3f1065d6ad 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -18,6 +18,7 @@ #include <asm/dma.h> /* for MAX_DMA_PFN */ #include <asm/microcode.h> #include <asm/kaslr.h> +#include <asm/hypervisor.h> /* * We need to define the tracepoints somewhere, and tlb.c @@ -636,6 +637,8 @@ void __init init_mem_mapping(void) load_cr3(swapper_pg_dir); __flush_tlb_all(); + hypervisor_init_mem_mapping(); + early_memtest(0, max_pfn_mapped << PAGE_SHIFT); } diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c index 229d04a83f85..a88cfbfbd078 100644 --- a/arch/x86/mm/mmap.c +++ b/arch/x86/mm/mmap.c @@ -50,8 +50,7 @@ unsigned long tasksize_64bit(void) static unsigned long stack_maxrandom_size(unsigned long task_size) { unsigned long max = 0; - if ((current->flags & PF_RANDOMIZE) && - !(current->personality & ADDR_NO_RANDOMIZE)) { + if (current->flags & PF_RANDOMIZE) { max = (-1UL) & __STACK_RND_MASK(task_size == tasksize_32bit()); max <<= PAGE_SHIFT; } @@ -79,13 +78,13 @@ static int mmap_is_legacy(void) static unsigned long arch_rnd(unsigned int rndbits) { + if (!(current->flags & PF_RANDOMIZE)) + return 0; return (get_random_long() & ((1UL << rndbits) - 1)) << PAGE_SHIFT; } unsigned long arch_mmap_rnd(void) { - if (!(current->flags & PF_RANDOMIZE)) - return 0; return arch_rnd(mmap_is_ia32() ? mmap32_rnd_bits : mmap64_rnd_bits); } |