Messages in this thread Patch in this message | | | Date | Tue, 11 Dec 2018 02:34:28 -0800 | From | "tip-bot for Kirill A. Shutemov" <> | Subject | [tip:x86/urgent] x86/dump_pagetables: Fix LDT remap address marker |
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Commit-ID: 254eb5505ca0ca749d3a491fc6668b6c16647a99 Gitweb: https://git.kernel.org/tip/254eb5505ca0ca749d3a491fc6668b6c16647a99 Author: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> AuthorDate: Fri, 30 Nov 2018 23:23:28 +0300 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Tue, 11 Dec 2018 11:19:24 +0100
x86/dump_pagetables: Fix LDT remap address marker
The LDT remap placement has been changed. It's now placed before the direct mapping in the kernel virtual address space for both paging modes.
Change address markers order accordingly.
Fixes: d52888aa2753 ("x86/mm: Move LDT remap out of KASLR region on 5-level paging") Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: bp@alien8.de Cc: hpa@zytor.com Cc: dave.hansen@linux.intel.com Cc: luto@kernel.org Cc: peterz@infradead.org Cc: boris.ostrovsky@oracle.com Cc: jgross@suse.com Cc: bhe@redhat.com Cc: hans.van.kranenburg@mendix.com Cc: linux-mm@kvack.org Cc: xen-devel@lists.xenproject.org Link: https://lkml.kernel.org/r/20181130202328.65359-3-kirill.shutemov@linux.intel.com
--- arch/x86/mm/dump_pagetables.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c index dad153e5a427..abcb8d00b014 100644 --- a/arch/x86/mm/dump_pagetables.c +++ b/arch/x86/mm/dump_pagetables.c @@ -55,10 +55,10 @@ struct addr_marker { enum address_markers_idx { USER_SPACE_NR = 0, KERNEL_SPACE_NR, - LOW_KERNEL_NR, -#if defined(CONFIG_MODIFY_LDT_SYSCALL) && defined(CONFIG_X86_5LEVEL) +#ifdef CONFIG_MODIFY_LDT_SYSCALL LDT_NR, #endif + LOW_KERNEL_NR, VMALLOC_START_NR, VMEMMAP_START_NR, #ifdef CONFIG_KASAN @@ -66,9 +66,6 @@ enum address_markers_idx { KASAN_SHADOW_END_NR, #endif CPU_ENTRY_AREA_NR, -#if defined(CONFIG_MODIFY_LDT_SYSCALL) && !defined(CONFIG_X86_5LEVEL) - LDT_NR, -#endif #ifdef CONFIG_X86_ESPFIX64 ESPFIX_START_NR, #endif
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