On Fri, 2017-01-27 at 16:53 +0900, Masami Hiramatsu wrote:
> On Wed, 25 Jan 2017 22:07:16 -0800
> Ricardo Neri <ricardo.neri-calde...@linux.intel.com> wrote:
>
> > Hi Masami,
> >
> > On Thu, 2017-01-26 at 11:11 +0900, Masami Hiramatsu wrote:
> > > On Wed
signed expression compared
> >> with zero: seg < 0
>
> git remote add linux-review https://github.com/0day-ci/linux
> git remote update linux-review
> git checkout 574de0de238ef30c816985006f02f7a1dbba92aa
> vim +267 arch/x86/lib/insn-kernel.c
>
> 574de0de Ricar
On Thu, 2017-01-26 at 09:05 -0800, Andy Lutomirski wrote:
> On Wed, Jan 25, 2017 at 9:50 PM, Ricardo Neri
> <ricardo.neri-calde...@linux.intel.com> wrote:
> > On Wed, 2017-01-25 at 13:58 -0800, Andy Lutomirski wrote:
> >> On Wed, Jan 25, 2017 at 12:23 PM, Ricardo Ne
On Wed, 2017-01-25 at 13:58 -0800, Andy Lutomirski wrote:
> On Wed, Jan 25, 2017 at 12:23 PM, Ricardo Neri
> <ricardo.neri-calde...@linux.intel.com> wrote:
> > Tasks running in virtual-8086 mode will use 16-bit addressing form
> > encodings as described in the Intel 6
Hi Peter,
On Wed, 2017-01-25 at 12:34 -0800, H. Peter Anvin wrote:
> On 01/25/17 12:23, Ricardo Neri wrote:
> > * SMSW returns the value with which the CR0 register is programmed in
> >head_32/64.S at boot time. This is, the following bits are enabed:
> >CR0.0 for Pr
On Wed, 2017-01-25 at 12:38 -0800, H. Peter Anvin wrote:
> On 01/25/17 12:23, Ricardo Neri wrote:
> > + case UMIP_SMSW:
> > + dummy_value = CR0_STATE;
>
> Unless the user space process is running in 64-bit mode this value
> should be & 0x.
But wouldn
Hi Masami,
On Thu, 2017-01-26 at 11:11 +0900, Masami Hiramatsu wrote:
> On Wed, 25 Jan 2017 12:23:47 -0800
> Ricardo Neri <ricardo.neri-calde...@linux.intel.com> wrote:
>
> > The function insn_get_reg_offset requires a type to indicate whether
> > the re
com>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kern
er <adrian.hun...@intel.com>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan.
;
Cc: Liang Z. Li <liang.z...@intel.com>
Cc: Alexandre Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@kernel.org
Cc: linux-msdos@vger.kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/kernel/traps.c | 4
kar <ravi.v.shan...@intel.com>
Cc: Shuah Khan <sh...@kernel.org>
Cc: Vlastimil Babka <vba...@suse.cz>
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
tools/testing/selftests/x86/entry_from_vm86.c | 39 ++-
1 file changed,
org>
Cc: Vlastimil Babka <vba...@suse.cz>
Cc: Tony Luck <tony.l...@intel.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: Liang Z. Li <liang.z...@intel.com>
Cc: Alexandre Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@kernel.org
Cc: lin
<dave.han...@linux.intel.com>
Cc: Adam Buchbinder <adam.buchbin...@gmail.com>
Cc: Colin Ian King <colin.k...@canonical.com>
Cc: Lorenzo Stoakes <lstoa...@gmail.com>
Cc: Qiaowei Ren <qiaowei@intel.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@ke
.shan...@intel.com>
Cc: Vlastimil Babka <vba...@suse.cz>
Cc: Shuah Khan <sh...@kernel.org>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: Liang Z Li <liang.z...@intel.com>
Cc: x...@kernel.org
Cc: linux-msdos@vger.kernel.org
Ricardo Neri (10):
x86/mpx: Do not use SIB inde
.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: Liang Z. Li <liang.z...@intel.com>
Cc: Alexandre Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@kernel.org
Cc: linux-msdos@vger.kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.
Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@kernel.org
Cc: linux-msdos@vger.kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/Kconfig | 10 ++
arch/x86/kernel/cpu/common.c | 16 +++-
lin Ian King <colin.k...@canonical.com>
Cc: Lorenzo Stoakes <lstoa...@gmail.com>
Cc: Qiaowei Ren <qiaowei@intel.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x8
On Thu, 2017-02-23 at 18:33 -0800, Joe Perches wrote:
> On Thu, 2017-02-23 at 14:17 -0800, Ricardo Neri wrote:
> > On Thu, 2017-02-23 at 08:24 +0100, Peter Zijlstra wrote:
> > > On Wed, Feb 22, 2017 at 10:36:50PM -0800,
On Thu, 2017-02-23 at 18:54 +0800, kbuild test robot wrote:
> >> arch/x86/lib/insn-eval.c:106:21: error: static declaration of
> 'insn_get_addr_ref' follows non-static declaration
> static void __user *insn_get_addr_ref(struct insn *insn, struct
> pt_regs *regs)
>
On Thu, 2017-02-23 at 08:24 +0100, Peter Zijlstra wrote:
> On Wed, Feb 22, 2017 at 10:36:50PM -0800, Ricardo Neri wrote:
> > + /*
> > +* A negative offset generally means a error, except
> > +* -EDOM, which me
On Fri, 2017-02-24 at 11:11 -0800, Andy Lutomirski wrote:
> > In a previous version Andy Lutomirsky suggested that
> > if (user_mode(regs) && (fixup_umip_exception(regs) == 0))
> >
> > was easier to read :). Although at the time fixup_umip_exception
> > returned a numeric value. Now it
On Fri, 2017-02-24 at 09:47 -0500, Nathan Howard wrote:
> Also, this code would read better with the inner test
> reversed or done first
>
> if (indx_offset < 0) {
> if (indx_offset != -EDOM)
>
Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@kernel.org
Cc: linux-msdos@vger.kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/Kconfig | 10 ++
arch/x86/kernel/cpu/common.c | 16 +++-
;
Cc: Liang Z. Li <liang.z...@intel.com>
Cc: Alexandre Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@kernel.org
Cc: linux-msdos@vger.kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/kernel/traps.c | 4
v <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/lib/insn-eval.c | 156 ++-
1 fi
with
SEGV_MAPERR with the offending address. A new function is inspired in
force_sig_info_fault is introduced to model the page fault.
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/kernel/umip.c | 45 +++--
1 file changed, 43 inse
romium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Rica
homas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-ca
rnel.org>
Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shan
v <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/lib/insn-eval.c | 61
1
kar <ravi.v.shan...@intel.com>
Cc: Shuah Khan <sh...@kernel.org>
Cc: Vlastimil Babka <vba...@suse.cz>
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
tools/testing/selftests/x86/entry_from_vm86.c | 39 ++-
1 file changed,
adrian.hun...@intel.com>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc
Adrian Hunter <adrian.hun...@intel.com>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v
m>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/mm/mpx.c | 30 +++---
1 file changed, 23 insertions(+), 7 deletions(-)
diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c
index 6a034bc..f660ddf 100644
--- a
com>
Cc: Adam Buchbinder <adam.buchbin...@gmail.com>
Cc: Colin Ian King <colin.k...@canonical.com>
Cc: Lorenzo Stoakes <lstoa...@gmail.com>
Cc: Qiaowei Ren <qiaowei@intel.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-
t decodes operands.
Ricardo Neri (17):
x86/mpx: Do not use SIB index if index points to R/ESP
x86/mpx: Do not use R/EBP as base in the SIB byte with Mod = 0
x86/mpx, x86/insn: Relocate insn util functions to a new insn-kernel
x86/insn-eval: Add utility functions to get register offsets
x86/
t;sh...@kernel.org>
Cc: Vlastimil Babka <vba...@suse.cz>
Cc: Tony Luck <tony.l...@intel.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: Liang Z. Li <liang.z...@intel.com>
Cc: Alexandre Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@ke
rnel.org>
Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shan
tra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.co
On Fri, 2016-11-11 at 23:51 +0300, Stas Sergeev wrote:
> 11.11.2016 07:14, Ricardo Neri пишет:
> >> 10.11.2016 09:46, Ricardo Neri пишет:
> >>> I took a closer look at the dosemu code. It appears that it does not
> >>> purposely utilize SGDT to obtai
On Tue, 2017-01-03 at 08:44 -0800, Dave Hansen wrote:
> On 12/23/2016 05:37 PM, Ricardo Neri wrote:
> > Other kernel submodules can benefit from using the utility functions
> > defined in mpx.c to obtain the addresses and values of operands contained
> > in the gene
On Tue, 2016-12-27 at 16:48 -0800, Andy Lutomirski wrote:
> On Tue, Dec 27, 2016 at 4:39 PM, Ricardo Neri
> <ricardo.neri-calde...@linux.intel.com> wrote:
> > On Fri, 2016-12-23 at 18:11 -0800, Andy Lutomirski wrote:
> >> On Fri, Dec 23, 2016 at 5:37 PM, Ricardo Ne
rnel.org>
Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V.
z...@redhat.com>
Cc: Liang Z. Li <liang.z...@intel.com>
Cc: Alexandre Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@kernel.org
Cc: linux-msdos@vger.kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/include/a
;tony.l...@intel.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: Liang Z. Li <liang.z...@intel.com>
Cc: Alexandre Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@kernel.org
Cc: linux-msdos@vger.kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-c
Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@kernel.org
Cc: linux-msdos@vger.kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/Kconfig | 10 ++
arch/x86/kernel/cpu/common.c | 16 +++-
Cc: Qiaowei Ren <qiaowei@intel.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/mm/mpx.c | 7 +++
1 file changed, 7 insertions(+)
diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.
stoa...@gmail.com>
Cc: Qiaowei Ren <qiaowei@intel.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/mm/mpx.c | 12 +++-
1 file changed, 11 insertions(+), 1 del
.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: Liang Z. Li <liang.z...@intel.com>
Cc: Alexandre Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@kernel.org
Cc: linux-msdos@vger.kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.
detect the absence of SIGSEGV signals when
running in virtual-8086 mode.
* Reused code from MPX to decode instructions operands. For this purpose
code was put in a common location.
* Fixed two bugs in MPX code that decodes operands.
Ricardo Neri (7):
x86/mpx: Do not use SIB index if index poi
On Sun, 2016-12-25 at 15:17 +0900, Masami Hiramatsu wrote:
> Hi Ricado,
>
> On Fri, 23 Dec 2016 17:37:41 -0800
> Ricardo Neri <ricardo.neri-calde...@linux.intel.com> wrote:
>
> > Other kernel submodules can benefit from using the utility functions
> > defined
On Fri, 2016-12-23 at 18:11 -0800, Andy Lutomirski wrote:
> On Fri, Dec 23, 2016 at 5:37 PM, Ricardo Neri
> <ricardo.neri-calde...@linux.intel.com> wrote:
> > If the User-Mode Instruction Prevention CPU feature is available and
> > enabled, a general protect
On Mon, 2016-12-26 at 00:49 +0900, Masami Hiramatsu wrote:
> On Fri, 23 Dec 2016 17:37:43 -0800
> Ricardo Neri <ricardo.neri-calde...@linux.intel.com> wrote:
>
> > +static int __identify_insn(struct insn *insn)
> > +{
> > + /* by getting modrm we also get the
On Fri, 2016-12-23 at 17:57 -0800, Andy Lutomirski wrote:
> On Fri, Dec 23, 2016 at 5:37 PM, Ricardo Neri
> <ricardo.neri-calde...@linux.intel.com> wrote:
> > Section 2.2.1.2 of the Intel 64 and IA-32 Architectures Software
> > Developer's Manual volume 2A states tha
On Wed, 2017-03-29 at 23:55 +0300, Stas Sergeev wrote:
> 29.03.2017 07:38, Ricardo Neri пишет:
> >> Probably you could also remove
> >> the sldt and str emulation for protected mode, because,
> >> as I understand from this thread, wine does not
> >> need th
On Tue, 2017-03-28 at 12:38 +0300, Stas Sergeev wrote:
> 28.03.2017 02:46, Ricardo Neri пишет:
> > On Tue, 2017-03-14 at 00:25 +0300, Stas Sergeev wrote:
> >> 11.03.2017 02:59, Ricardo Neri пишет:
> >>> On Fri, 2017-03-10 at 14:33 +0300, Stas Sergeev wrote:
>
On Tue, 2017-03-14 at 00:25 +0300, Stas Sergeev wrote:
> 11.03.2017 02:59, Ricardo Neri пишет:
> > On Fri, 2017-03-10 at 14:33 +0300, Stas Sergeev wrote:
> >
> >> Why would you need one?
> >> Or do you really want to allow these instructions
> >&g
On Fri, 2017-03-31 at 16:11 +0200, Alexandre Julliard wrote:
> Ricardo Neri <ricardo.neri-calde...@linux.intel.com> writes:
>
> > On Thu, 2017-03-30 at 13:10 +0300, Stas Sergeev wrote:
> >> 30.03.2017 08:14, Ricardo Neri пишет:
> >> >>>> But at leas
On Thu, 2017-03-30 at 13:10 +0300, Stas Sergeev wrote:
> 30.03.2017 08:14, Ricardo Neri пишет:
> >>>> But at least dosemu implements it, so probably it is needed.
> >>> Right.
> >>>
> >>>> Of course if it is used by one of 100 DOS prog
lt;dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/lib/insn-eval.c | 195 +++
1 file changed, 195 insertions(+)
diff --git a/ar
..@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/lib/insn-eval.c | 10 --
Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/lib/insn-ev
rnel.org>
Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shan
t;sh...@kernel.org>
Cc: Vlastimil Babka <vba...@suse.cz>
Cc: Tony Luck <tony.l...@intel.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: Liang Z. Li <liang.z...@intel.com>
Cc: Alexandre Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@ke
with
SEGV_MAPERR with the offending address. A new function is inspired in
force_sig_info_fault is introduced to model the page fault.
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/kernel/umip.c | 45 +++--
1 file changed, 43 inse
gle.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/lib/insn-eval.c | 45 -
1 file changed, 40 insertions(+), 5 deletions(-)
diff
ks and BR,
Ricardo
Ricardo Neri (20):
x86/mpx: Use signed variables to compute effective addresses
x86/mpx: Do not use SIB index if index points to R/ESP
x86/mpx: Do not use R/EBP as base in the SIB byte with Mod = 0
x86/mpx, x86/insn: Relocate insn util functions to a new insn-kernel
x86/
Cc: Adan Hawthorn <adanhawth...@gmail.com>
Cc: Joe Perches <j...@perches.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/mm/mpx.c | 19 +--
1 file c
..@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/include/asm/insn-eval.h | 2 ++
arch/
v <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/lib/insn-eval.c | 61
1
lt;adanhawth...@gmail.com>
Cc: Joe Perches <j...@perches.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/mm/mpx.c | 15 +--
1 file changed, 9 insertions(+), 6 deletions(-)
homas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-ca
rnel.org>
Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shan
kar <ravi.v.shan...@intel.com>
Cc: Shuah Khan <sh...@kernel.org>
Cc: Vlastimil Babka <vba...@suse.cz>
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
tools/testing/selftests/x86/entry_from_vm86.c | 39 ++-
1 file changed,
Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@kernel.org
Cc: linux-msdos@vger.kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/Kconfig | 10 ++
arch/x86/kernel/cpu/common.c | 16 +++-
;
Cc: Liang Z. Li <liang.z...@intel.com>
Cc: Alexandre Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@kernel.org
Cc: linux-msdos@vger.kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/kernel/traps.c | 4
On Wed, 2017-03-08 at 19:53 +0300, Stas Sergeev wrote:
> 08.03.2017 19:46, Andy Lutomirski пишет:
> >> No no, since I meant prot mode, this is not what I need.
> >> I would never need to disable UMIP as to allow the
> >> prot mode apps to do SLDT. Instead it would be good
> >> to have an ability
On Wed, 2017-03-08 at 08:46 -0800, Andy Lutomirski wrote:
> On Wed, Mar 8, 2017 at 8:29 AM, Stas Sergeev <s...@list.ru> wrote:
> > 08.03.2017 19:06, Andy Lutomirski пишет:
> >>
> >> On Wed, Mar 8, 2017 at 6:08 AM, Stas Sergeev <s...@list.ru> wrote:
> >
On Thu, 2017-03-09 at 18:39 -0800, Andy Lutomirski wrote:
> On Thu, Mar 9, 2017 at 2:10 PM, Stas Sergeev <s...@list.ru> wrote:
> > 09.03.2017 04:15, Ricardo Neri пишет:
> >
> >> On Wed, 2017-03-08 at 08:46 -0800, Andy Lutomirski wrote:
> >>>
> >&g
On Fri, 2017-03-10 at 01:01 +0300, Stas Sergeev wrote:
> 09.03.2017 03:46, Ricardo Neri пишет:
> > On Wed, 2017-03-08 at 17:08 +0300, Stas Sergeev wrote:
> >> 08.03.2017 03:32, Ricardo Neri пишет:
> >>> These are the instructions covered by UMIP:
> >>&
On Fri, 2017-03-10 at 14:33 +0300, Stas Sergeev wrote:
> 10.03.2017 05:39, Andy Lutomirski пишет:
> > On Thu, Mar 9, 2017 at 2:10 PM, Stas Sergeev <s...@list.ru> wrote:
> >> 09.03.2017 04:15, Ricardo Neri пишет:
> >>
> >>> On Wed, 2017-03-08 at 08:4
On Sat, 2017-03-11 at 02:58 +0300, Stas Sergeev wrote:
> 11.03.2017 02:47, Ricardo Neri пишет:
> >>
> >>>> It doesn't need to be a matter of this particular
> >>>> patch set, i.e. this proposal should not trigger a
> >>>> v7 resend of all 21
On Wed, 2017-03-08 at 07:56 -0800, Andy Lutomirski wrote:
> On Tue, Mar 7, 2017 at 4:32 PM, Ricardo Neri
> <ricardo.neri-calde...@linux.intel.com> wrote:
> > Certain user space programs that run on virtual-8086 mode may utilize
> > instructions protected by the User-Mod
On Fri, 2017-03-10 at 06:17 -0800, Andy Lutomirski wrote:
> On Fri, Mar 10, 2017 at 3:33 AM, Stas Sergeev <s...@list.ru> wrote:
> > 10.03.2017 05:39, Andy Lutomirski пишет:
> >
> >> On Thu, Mar 9, 2017 at 2:10 PM, Stas Sergeev <s...@list.ru> wrote:
> >>
On Wed, 2017-03-08 at 17:08 +0300, Stas Sergeev wrote:
> 08.03.2017 03:32, Ricardo Neri пишет:
> > These are the instructions covered by UMIP:
> > * SGDT - Store Global Descriptor Table
> > * SIDT - Store Interrupt Descriptor Table
> > * SLDT - Store Local Descript
On Sun, 2017-03-05 at 08:18 -0800, Andy Lutomirski wrote:
> > + */
> > +static void __force_sig_info_umip_fault(void __user *address,
> > + struct pt_regs *regs)
> > +{
> > + siginfo_t info;
> > + struct task_struct *tsk = current;
> > +
> > +
..@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/lib/insn-eval.c | 10 --
v <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/lib/insn-eval.c | 61
1
homas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-ca
kar <ravi.v.shan...@intel.com>
Cc: Shuah Khan <sh...@kernel.org>
Cc: Vlastimil Babka <vba...@suse.cz>
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
tools/testing/selftests/x86/entry_from_vm86.c | 39 ++-
1 file changed,
ad.org>
Cc: Nathan Howard <liverl...@gmail.com>
Cc: Adan Hawthorn <adanhawth...@gmail.com>
Cc: Joe Perches <j...@perches.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x
e...@linux.intel.com>
Cc: Josh Poimboeuf <jpoim...@redhat.com>
Cc: Dave Hansen <dave.han...@linux.intel.com>
Cc: Paul Gortmaker <paul.gortma...@windriver.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch
rnel.org>
Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shan
with
SEGV_MAPERR with the offending address. A new function is inspired in
force_sig_info_fault is introduced to model the page fault.
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/kernel/umip.c | 45 +++--
1 file changed, 43 inse
..@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/include/asm/insn-eval.h | 2 ++
arch/
rnel.org>
Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shan
t;sh...@kernel.org>
Cc: Vlastimil Babka <vba...@suse.cz>
Cc: Tony Luck <tony.l...@intel.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: Liang Z. Li <liang.z...@intel.com>
Cc: Alexandre Julliard <julli...@winehq.org>
Cc: Stas Sergeev <s...@list.ru>
Cc: x...@ke
gle.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/lib/insn-eval.c | 45 -
1 file changed, 40 insertions(+), 5 deletions(-)
diff
er <adrian.hun...@intel.com>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Thomas Garnier <thgar...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan.
Peter Zijlstra <pet...@infradead.org>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dmitry Vyukov <dvyu...@google.com>
Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
Cc: x...@kernel.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
arch/x86/lib/insn-ev
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