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Message-ID: <5fffd4e8-90fe-0799-adf0-5376113b268d@suse.cz>
Date: Wed, 24 Jan 2018 15:47:11 +0100
From: Jiri Slaby <jslaby@...e.cz>
To: "Williams, Dan J" <dan.j.williams@...el.com>,
 "tglx@...utronix.de" <tglx@...utronix.de>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
 "alan@...ux.intel.com" <alan@...ux.intel.com>,
 "viro@...iv.linux.org.uk" <viro@...iv.linux.org.uk>,
 "Reshetova, Elena" <elena.reshetova@...el.com>,
 "johannes@...solutions.net" <johannes@...solutions.net>,
 "will.deacon@....com" <will.deacon@....com>,
 "luto@...nel.org" <luto@...nel.org>,
 "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>,
 "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
 "davem@...emloft.net" <davem@...emloft.net>,
 "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>
Subject: Re: [GIT PULL] spectre variant1 mitigations for 4.16

On 01/20/2018, 07:36 PM, Williams, Dan J wrote:
> Dan Williams (9):
>       asm/nospec, array_ptr: sanitize speculative array de-references
>       x86: implement array_ptr_mask()
>       x86: introduce __uaccess_begin_nospec and ifence
>       x86, __get_user: use __uaccess_begin_nospec
>       x86, get_user: use pointer masking to limit speculation
>       x86: narrow out of bounds syscalls to sys_read under speculation
>       vfs, fdtable: prevent bounds-check bypass via speculative execution
>       kvm, x86: update spectre-v1 mitigation
>       nl80211: sanitize array index in parse_txq_params
> 
> Mark Rutland (1):
>       Documentation: document array_ptr
> 
>  Documentation/speculation.txt     | 143 ++++++++++++++++++++++++++++++++++++++
>  arch/x86/entry/entry_64.S         |   2 +
>  arch/x86/include/asm/barrier.h    |  28 ++++++++
>  arch/x86/include/asm/msr.h        |   3 +-
>  arch/x86/include/asm/smap.h       |  24 +++++++
>  arch/x86/include/asm/uaccess.h    |  15 +++-
>  arch/x86/include/asm/uaccess_32.h |   6 +-
>  arch/x86/include/asm/uaccess_64.h |  12 ++--
>  arch/x86/kvm/vmx.c                |  19 ++---
>  arch/x86/lib/getuser.S            |   5 ++
>  arch/x86/lib/usercopy_32.c        |   8 +--
>  include/linux/fdtable.h           |   7 +-
>  include/linux/nospec.h            |  65 +++++++++++++++++
>  net/wireless/nl80211.c            |  10 ++-

Could you update also cpu_show_spectre_v1?

thanks,
-- 
js
suse labs

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