Messages in this thread |  | | Date | Wed, 15 May 2019 03:49:39 +0530 | From | Bhaskar Chowdhury <> | Subject | Re: Linux 5.1.2 |
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Thanks, a bunch Greg!
On 20:04 Tue 14 May , Greg KH wrote: >I'm announcing the release of the 5.1.2 kernel. > >All users of the 5.1 kernel series must upgrade. Well, kind of, let me rephrase that... > >All users of Intel processors made since 2011 must upgrade. > >Note, this release, and the other stable releases that are all being >released right now at the same time, just went out all contain patches >that have only seen the "public eye" for about 5 minutes. So be >forwarned, they might break things, they might not build, but hopefully >they fix things. Odds are we will be fixing a number of small things in >this area for the next few weeks as things shake out on real hardware >and workloads. So don't think you are done updating your kernel, you >never are done with that :) > >As for what specifically these changes fix, I'll let the tech news sites >fill you in on the details. Or go read the excellently written Xen >Security Advisory 297: > https://xenbits.xen.org/xsa/advisory-297.html >That should give you a good idea of what a number of people have been >dealing with for many many many months now. > >Many thanks goes out to Thomas Gleixner for going above and beyond to do >the backports to the 5.1, 5.0, 4.19, and 4.14 kernel trees, and to Ben >Hutchings for doing the 4.9 work. And of course to all of the >developers who have been working on this in secret and doing reviews of >the many different proposals and versions of the patches. > >As I said before just over a year ago, Intel once again owes a bunch of >people a lot of drinks for fixing their hardware bugs, in our >software... > >Anyway, as usual, the updated 5.1.y git tree can be found at: > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.1.y >and can be browsed at the normal kernel.org git web browser: > https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary > >thanks, > >greg k-h > >------------ > > Documentation/ABI/testing/sysfs-devices-system-cpu | 4 > Documentation/admin-guide/hw-vuln/index.rst | 13 > Documentation/admin-guide/hw-vuln/l1tf.rst | 615 +++++++++++++++++++++ > Documentation/admin-guide/hw-vuln/mds.rst | 308 ++++++++++ > Documentation/admin-guide/index.rst | 6 > Documentation/admin-guide/kernel-parameters.txt | 62 ++ > Documentation/admin-guide/l1tf.rst | 614 -------------------- > Documentation/index.rst | 1 > Documentation/x86/conf.py | 10 > Documentation/x86/index.rst | 8 > Documentation/x86/mds.rst | 225 +++++++ > Makefile | 2 > arch/powerpc/kernel/security.c | 6 > arch/powerpc/kernel/setup_64.c | 2 > arch/s390/kernel/nospec-branch.c | 3 > arch/x86/entry/common.c | 3 > arch/x86/include/asm/cpufeatures.h | 3 > arch/x86/include/asm/irqflags.h | 4 > arch/x86/include/asm/msr-index.h | 39 - > arch/x86/include/asm/mwait.h | 7 > arch/x86/include/asm/nospec-branch.h | 50 + > arch/x86/include/asm/processor.h | 6 > arch/x86/kernel/cpu/bugs.c | 146 ++++ > arch/x86/kernel/cpu/common.c | 121 ++-- > arch/x86/kernel/nmi.c | 4 > arch/x86/kernel/traps.c | 8 > arch/x86/kvm/cpuid.c | 3 > arch/x86/kvm/vmx/vmx.c | 7 > arch/x86/mm/pti.c | 4 > drivers/base/cpu.c | 8 > include/linux/cpu.h | 26 > kernel/cpu.c | 15 > tools/power/x86/turbostat/Makefile | 2 > tools/power/x86/x86_energy_perf_policy/Makefile | 2 > 34 files changed, 1632 insertions(+), 705 deletions(-) > >Andi Kleen (2): > x86/speculation/mds: Add basic bug infrastructure for MDS > x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests > >Boris Ostrovsky (1): > x86/speculation/mds: Fix comment > >Greg Kroah-Hartman (1): > Linux 5.1.2 > >Josh Poimboeuf (9): > x86/speculation/mds: Add mds=full,nosmt cmdline option > x86/speculation: Move arch_smt_update() call to after mitigation decisions > x86/speculation/mds: Add SMT warning message > cpu/speculation: Add 'mitigations=' cmdline option > x86/speculation: Support 'mitigations=' cmdline option > powerpc/speculation: Support 'mitigations=' cmdline option > s390/speculation: Support 'mitigations=' cmdline option > x86/speculation/mds: Add 'mitigations=' support for MDS > x86/speculation/mds: Fix documentation typo > >Konrad Rzeszutek Wilk (1): > x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off > >Thomas Gleixner (12): > x86/msr-index: Cleanup bit defines > x86/speculation: Consolidate CPU whitelists > x86/speculation/mds: Add BUG_MSBDS_ONLY > x86/speculation/mds: Add mds_clear_cpu_buffers() > x86/speculation/mds: Clear CPU buffers on exit to user > x86/kvm/vmx: Add MDS protection when L1D Flush is not active > x86/speculation/mds: Conditionally clear CPU buffers on idle entry > x86/speculation/mds: Add mitigation control for MDS > x86/speculation/mds: Add sysfs reporting for MDS > x86/speculation/mds: Add mitigation mode VMWERV > Documentation: Move L1TF to separate directory > Documentation: Add MDS vulnerability documentation > >Tyler Hicks (1): > Documentation: Correct the possible MDS sysfs values > >speck for Pawan Gupta (1): > x86/mds: Add MDSUM variant to the MDS documentation >
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