From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
hpa@zytor.com, dave.hansen@linux.intel.com, luto@kernel.org,
peterz@infradead.org
Cc: boris.ostrovsky@oracle.com, jgross@suse.com, bhe@redhat.com,
willy@infradead.org, x86@kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: [PATCHv2 0/2] Fix couple of issues with LDT remap for PTI
Date: Wed, 24 Oct 2018 15:51:10 +0300 [thread overview]
Message-ID: <20181024125112.55999-1-kirill.shutemov@linux.intel.com> (raw)
The patchset fixes issues with LDT remap for PTI:
- Layout collision due to KASLR with 5-level paging;
- Information leak via Meltdown-like attack;
Please review and consider applying.
v2:
- Rebase to the Linus' tree
+ fix conflict with new documentation of kernel memory layout
+ fix few mistakes in layout documentation
- Fix typo in commit message
Kirill A. Shutemov (2):
x86/mm: Move LDT remap out of KASLR region on 5-level paging
x86/ldt: Unmap PTEs for the slot before freeing LDT pages
Documentation/x86/x86_64/mm.txt | 34 +++++++-------
arch/x86/include/asm/page_64_types.h | 12 ++---
arch/x86/include/asm/pgtable_64_types.h | 4 +-
arch/x86/kernel/ldt.c | 59 ++++++++++++++++---------
arch/x86/xen/mmu_pv.c | 6 +--
5 files changed, 67 insertions(+), 48 deletions(-)
--
2.19.1
next reply other threads:[~2018-10-24 12:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-24 12:51 Kirill A. Shutemov [this message]
2018-10-24 12:51 ` [PATCHv2 1/2] x86/mm: Move LDT remap out of KASLR region on 5-level paging Kirill A. Shutemov
2018-10-24 13:12 ` Matthew Wilcox
2018-10-25 2:18 ` Baoquan He
2018-10-25 7:24 ` Kirill A. Shutemov
2018-10-25 8:11 ` Baoquan He
2018-10-24 12:51 ` [PATCHv2 2/2] x86/ldt: Unmap PTEs for the slot before freeing LDT pages Kirill A. Shutemov
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