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authorLinus Torvalds <torvalds@linux-foundation.org>2018-03-25 20:36:02 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-03-25 20:36:02 +0300
commitd2862360bfe54fd63618dbabf09191c4c0dc7576 (patch)
tree3431a4bee3802f339b9f4dae8f8bb6d4f860ffb0 /arch/x86/boot
parent9fd64e8ac2632929fb7f5d1245a15ae45ba21da6 (diff)
parentd8ba61ba58c88d5207c1ba2f7d9a2280e7d03be9 (diff)
downloadlinux-d2862360bfe54fd63618dbabf09191c4c0dc7576.tar.xz
Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 and PTI fixes from Ingo Molnar: "Misc fixes: - fix EFI pagetables freeing - fix vsyscall pagetable setting on Xen PV guests - remove ancient CONFIG_X86_PPRO_FENCE=y - x86 is TSO again - fix two binutils (ld) development version related incompatibilities - clean up breakpoint handling - fix an x86 self-test" * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/entry/64: Don't use IST entry for #BP stack x86/efi: Free efi_pgd with free_pages() x86/vsyscall/64: Use proper accessor to update P4D entry x86/cpu: Remove the CONFIG_X86_PPRO_FENCE=y quirk x86/boot/64: Verify alignment of the LOAD segment x86/build/64: Force the linker to use 2MB page size selftests/x86/ptrace_syscall: Fix for yet more glibc interference
Diffstat (limited to 'arch/x86/boot')
-rw-r--r--arch/x86/boot/compressed/misc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 98761a1576ce..252fee320816 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -309,6 +309,10 @@ static void parse_elf(void *output)
switch (phdr->p_type) {
case PT_LOAD:
+#ifdef CONFIG_X86_64
+ if ((phdr->p_align % 0x200000) != 0)
+ error("Alignment of LOAD segment isn't multiple of 2MB");
+#endif
#ifdef CONFIG_RELOCATABLE
dest = output;
dest += (phdr->p_paddr - LOAD_PHYSICAL_ADDR);