Re: [PATCH 4.9 00/92] 4.9.81-stable review

2018-02-20 Thread Greg Kroah-Hartman
On Sat, Feb 17, 2018 at 09:35:59AM -0800, Guenter Roeck wrote:
> On 02/17/2018 05:45 AM, Greg Kroah-Hartman wrote:
> > On Sat, Feb 17, 2018 at 02:31:53PM +0100, Yves-Alexis Perez wrote:
> > > On Tue, 2018-02-13 at 16:29 +0100, Greg Kroah-Hartman wrote:
> > > > > arch/powerpc/kernel/entry_64.S: Assembler messages:
> > > > > arch/powerpc/kernel/entry_64.S:260: Error: unrecognized opcode: 
> > > > > `rfi_to_user'
> > > > > arch/powerpc/kernel/entry_64.S:270: Error: unrecognized opcode: 
> > > > > `rfi_to_kernel'
> > > > > arch/powerpc/kernel/entry_64.S:885: Error: unrecognized opcode: 
> > > > > `rfi_to_user'
> > > > > arch/powerpc/kernel/entry_64.S:900: Error: unrecognized opcode: 
> > > > > `rfi_to_kernel'
> > > > > 
> > > > > Looks like 222f20f140623 ("powerpc/64s: Simple RFI macro 
> > > > > conversions") is missing,
> > > > > or at least part of it. Unfortunately it doesn't apply cleanly.
> > > > 
> > > > Ugh.  Let's see if the ppc developers care about this or not :)
> > > 
> > > Hi,
> > > 
> > > in Debian we extracted the following hunk from 222f20f140623 to fix build 
> > > on
> > > powerpc/ppc64el. Only compile tested against Debian builds though.
> > > 
> > > diff --git a/arch/powerpc/kernel/entry_64.S 
> > > b/arch/powerpc/kernel/entry_64.S
> > > index 3320bcac7192..e68faa4d1b13 100644
> > > --- a/arch/powerpc/kernel/entry_64.S
> > > +++ b/arch/powerpc/kernel/entry_64.S
> > > @@ -37,6 +37,11 @@
> > >   #include 
> > >   #include 
> > >   #include 
> > > +#ifdef CONFIG_PPC_BOOK3S
> > > +#include 
> > > +#else
> > > +#include 
> > > +#endif
> > 
> > Ah, thanks!  I've now queued up this portion of the patch.
> > 
> 
> Hmm, that chunk really doesn't do what the original patch is supposed to do,
> meaning it won't provide the vulnerability protection it is supposed to 
> provide
> (AFAICS that is Meltdown). Just a note in case anyone is concerned about
> actually providing that protection.

Good point, I've renamed this patch now to make it more obvious what is
going on.

thanks,

greg k-h


Re: [PATCH 4.9 00/92] 4.9.81-stable review

2018-02-18 Thread Yves-Alexis Perez
On Sat, 2018-02-17 at 09:35 -0800, Guenter Roeck wrote:
> Hmm, that chunk really doesn't do what the original patch is supposed to do,
> meaning it won't provide the vulnerability protection it is supposed to 
> provide
> (AFAICS that is Meltdown). Just a note in case anyone is concerned about
> actually providing that protection.

Right now my concern was really about fixing 4.9.81/4.9.82 build failure on
powerpc. Whether the patches backported in those two releases are enough to
fix Meltdown or not is a different thing indeed (and an information I'd be
glad to have too).

Regards,
-- 
Yves-Alexis

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Re: [PATCH 4.9 00/92] 4.9.81-stable review

2018-02-17 Thread Guenter Roeck

On 02/17/2018 05:45 AM, Greg Kroah-Hartman wrote:

On Sat, Feb 17, 2018 at 02:31:53PM +0100, Yves-Alexis Perez wrote:

On Tue, 2018-02-13 at 16:29 +0100, Greg Kroah-Hartman wrote:

arch/powerpc/kernel/entry_64.S: Assembler messages:
arch/powerpc/kernel/entry_64.S:260: Error: unrecognized opcode: `rfi_to_user'
arch/powerpc/kernel/entry_64.S:270: Error: unrecognized opcode: `rfi_to_kernel'
arch/powerpc/kernel/entry_64.S:885: Error: unrecognized opcode: `rfi_to_user'
arch/powerpc/kernel/entry_64.S:900: Error: unrecognized opcode: `rfi_to_kernel'

Looks like 222f20f140623 ("powerpc/64s: Simple RFI macro conversions") is 
missing,
or at least part of it. Unfortunately it doesn't apply cleanly.


Ugh.  Let's see if the ppc developers care about this or not :)


Hi,

in Debian we extracted the following hunk from 222f20f140623 to fix build on
powerpc/ppc64el. Only compile tested against Debian builds though.

diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 3320bcac7192..e68faa4d1b13 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -37,6 +37,11 @@
  #include 
  #include 
  #include 
+#ifdef CONFIG_PPC_BOOK3S
+#include 
+#else
+#include 
+#endif
  


Ah, thanks!  I've now queued up this portion of the patch.



Hmm, that chunk really doesn't do what the original patch is supposed to do,
meaning it won't provide the vulnerability protection it is supposed to provide
(AFAICS that is Meltdown). Just a note in case anyone is concerned about
actually providing that protection.

Guenter


Re: [PATCH 4.9 00/92] 4.9.81-stable review

2018-02-17 Thread Greg Kroah-Hartman
On Sat, Feb 17, 2018 at 02:31:53PM +0100, Yves-Alexis Perez wrote:
> On Tue, 2018-02-13 at 16:29 +0100, Greg Kroah-Hartman wrote:
> > > arch/powerpc/kernel/entry_64.S: Assembler messages:
> > > arch/powerpc/kernel/entry_64.S:260: Error: unrecognized opcode: 
> > > `rfi_to_user'
> > > arch/powerpc/kernel/entry_64.S:270: Error: unrecognized opcode: 
> > > `rfi_to_kernel'
> > > arch/powerpc/kernel/entry_64.S:885: Error: unrecognized opcode: 
> > > `rfi_to_user'
> > > arch/powerpc/kernel/entry_64.S:900: Error: unrecognized opcode: 
> > > `rfi_to_kernel'
> > > 
> > > Looks like 222f20f140623 ("powerpc/64s: Simple RFI macro conversions") is 
> > > missing,
> > > or at least part of it. Unfortunately it doesn't apply cleanly.
> > 
> > Ugh.  Let's see if the ppc developers care about this or not :)
> 
> Hi,
> 
> in Debian we extracted the following hunk from 222f20f140623 to fix build on
> powerpc/ppc64el. Only compile tested against Debian builds though.
> 
> diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
> index 3320bcac7192..e68faa4d1b13 100644
> --- a/arch/powerpc/kernel/entry_64.S
> +++ b/arch/powerpc/kernel/entry_64.S
> @@ -37,6 +37,11 @@
>  #include 
>  #include 
>  #include 
> +#ifdef CONFIG_PPC_BOOK3S
> +#include 
> +#else
> +#include 
> +#endif
>  

Ah, thanks!  I've now queued up this portion of the patch.

greg k-h


Re: [PATCH 4.9 00/92] 4.9.81-stable review

2018-02-17 Thread Yves-Alexis Perez
On Tue, 2018-02-13 at 16:29 +0100, Greg Kroah-Hartman wrote:
> > arch/powerpc/kernel/entry_64.S: Assembler messages:
> > arch/powerpc/kernel/entry_64.S:260: Error: unrecognized opcode: 
> > `rfi_to_user'
> > arch/powerpc/kernel/entry_64.S:270: Error: unrecognized opcode: 
> > `rfi_to_kernel'
> > arch/powerpc/kernel/entry_64.S:885: Error: unrecognized opcode: 
> > `rfi_to_user'
> > arch/powerpc/kernel/entry_64.S:900: Error: unrecognized opcode: 
> > `rfi_to_kernel'
> > 
> > Looks like 222f20f140623 ("powerpc/64s: Simple RFI macro conversions") is 
> > missing,
> > or at least part of it. Unfortunately it doesn't apply cleanly.
> 
> Ugh.  Let's see if the ppc developers care about this or not :)

Hi,

in Debian we extracted the following hunk from 222f20f140623 to fix build on
powerpc/ppc64el. Only compile tested against Debian builds though.

diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 3320bcac7192..e68faa4d1b13 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -37,6 +37,11 @@
 #include 
 #include 
 #include 
+#ifdef CONFIG_PPC_BOOK3S
+#include 
+#else
+#include 
+#endif
 
 /*
  * System calls.

-- 
Yves-Alexis

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Re: [PATCH 4.9 00/92] 4.9.81-stable review

2018-02-13 Thread Greg Kroah-Hartman
On Tue, Feb 13, 2018 at 06:30:36AM -0800, Guenter Roeck wrote:
> On 02/13/2018 01:36 AM, Greg Kroah-Hartman wrote:
> > On Sat, Feb 10, 2018 at 07:46:50AM -0800, Guenter Roeck wrote:
> > > On 02/09/2018 05:38 AM, Greg Kroah-Hartman wrote:
> > > > This is the start of the stable review cycle for the 4.9.81 release.
> > > > There are 92 patches in this series, all will be posted as a response
> > > > to this one.  If anyone has any issues with these being applied, please
> > > > let me know.
> > > > 
> > > > Responses should be made by Sun Feb 11 13:39:04 UTC 2018.
> > > > Anything received after that time might be too late.
> > > > 
> > > 
> > > Build results:
> > >   total: 145 pass: 140 fail: 5
> > > Failed builds:
> > >   powerpc:defconfig
> > >   powerpc:allmodconfig
> > >   powerpc:ppc64e_defconfig
> > >   powerpc:cell_defconfig
> > >   powerpc:maple_defconfig
> > > Qemu test results:
> > >   total: 118 pass: 113 fail: 5
> > > Failed tests:
> > >   powerpc:mac99:ppc64_book3s_defconfig:nosmp
> > >   powerpc:mac99:ppc64_book3s_defconfig:smp4
> > >   powerpc:pseries:pseries_defconfig
> > >   powerpc:mpc8544ds:ppc64_e5500_defconfig:nosmp
> > >   powerpc:mpc8544ds:ppc64_e5500_defconfig:smp
> > > 
> > > All builds and tests fail with the following error.
> > > 
> > > arch/powerpc/kernel/setup_64.c:41:25: fatal error: asm/debugfs.h: No such 
> > > file or directory
> > > 
> > > For older kernels, the backport of 236003e6b5443c4 ("powerpc/64s: Allow 
> > > control of RFI
> > > flush via debugfs") should include linux/debugfs.h, not asm/debugfs.h.
> > 
> > Thanks for letting me know, I've now fixed this up.  Will go work on the
> > 4.4 patch as well.
> > 
> 
> Unfortunately it wasn't the only problem. Now we have:
> 
> arch/powerpc/kernel/entry_64.S: Assembler messages:
> arch/powerpc/kernel/entry_64.S:260: Error: unrecognized opcode: `rfi_to_user'
> arch/powerpc/kernel/entry_64.S:270: Error: unrecognized opcode: 
> `rfi_to_kernel'
> arch/powerpc/kernel/entry_64.S:885: Error: unrecognized opcode: `rfi_to_user'
> arch/powerpc/kernel/entry_64.S:900: Error: unrecognized opcode: 
> `rfi_to_kernel'
> 
> Looks like 222f20f140623 ("powerpc/64s: Simple RFI macro conversions") is 
> missing,
> or at least part of it. Unfortunately it doesn't apply cleanly.

Ugh.  Let's see if the ppc developers care about this or not :)

> 4.4 also now has a different failure.
> 
> In file included from drivers/staging/rdma/ehca/hcp_if.c:45:0:
> arch/powerpc/include/asm/hvcall.h:439:2: error: unknown type name 'u64'
>   u64 character;
>   ^
> arch/powerpc/include/asm/hvcall.h:440:2: error: unknown type name 'u64'
>   u64 behaviour;
> 
> You'll need 1b689a95ce742 to fix that problem.

Now queued up, thanks.

greg k-h


Re: [PATCH 4.9 00/92] 4.9.81-stable review

2018-02-13 Thread Guenter Roeck

On 02/13/2018 01:36 AM, Greg Kroah-Hartman wrote:

On Sat, Feb 10, 2018 at 07:46:50AM -0800, Guenter Roeck wrote:

On 02/09/2018 05:38 AM, Greg Kroah-Hartman wrote:

This is the start of the stable review cycle for the 4.9.81 release.
There are 92 patches in this series, all will be posted as a response
to this one.  If anyone has any issues with these being applied, please
let me know.

Responses should be made by Sun Feb 11 13:39:04 UTC 2018.
Anything received after that time might be too late.



Build results:
total: 145 pass: 140 fail: 5
Failed builds:
powerpc:defconfig
powerpc:allmodconfig
powerpc:ppc64e_defconfig
powerpc:cell_defconfig
powerpc:maple_defconfig
Qemu test results:
total: 118 pass: 113 fail: 5
Failed tests:
powerpc:mac99:ppc64_book3s_defconfig:nosmp
powerpc:mac99:ppc64_book3s_defconfig:smp4
powerpc:pseries:pseries_defconfig
powerpc:mpc8544ds:ppc64_e5500_defconfig:nosmp
powerpc:mpc8544ds:ppc64_e5500_defconfig:smp

All builds and tests fail with the following error.

arch/powerpc/kernel/setup_64.c:41:25: fatal error: asm/debugfs.h: No such file 
or directory

For older kernels, the backport of 236003e6b5443c4 ("powerpc/64s: Allow control 
of RFI
flush via debugfs") should include linux/debugfs.h, not asm/debugfs.h.


Thanks for letting me know, I've now fixed this up.  Will go work on the
4.4 patch as well.



Unfortunately it wasn't the only problem. Now we have:

arch/powerpc/kernel/entry_64.S: Assembler messages:
arch/powerpc/kernel/entry_64.S:260: Error: unrecognized opcode: `rfi_to_user'
arch/powerpc/kernel/entry_64.S:270: Error: unrecognized opcode: `rfi_to_kernel'
arch/powerpc/kernel/entry_64.S:885: Error: unrecognized opcode: `rfi_to_user'
arch/powerpc/kernel/entry_64.S:900: Error: unrecognized opcode: `rfi_to_kernel'

Looks like 222f20f140623 ("powerpc/64s: Simple RFI macro conversions") is 
missing,
or at least part of it. Unfortunately it doesn't apply cleanly.

4.4 also now has a different failure.

In file included from drivers/staging/rdma/ehca/hcp_if.c:45:0:
arch/powerpc/include/asm/hvcall.h:439:2: error: unknown type name 'u64'
  u64 character;
  ^
arch/powerpc/include/asm/hvcall.h:440:2: error: unknown type name 'u64'
  u64 behaviour;

You'll need 1b689a95ce742 to fix that problem.

Guenter


Re: [PATCH 4.9 00/92] 4.9.81-stable review

2018-02-13 Thread Greg Kroah-Hartman
On Sat, Feb 10, 2018 at 07:46:50AM -0800, Guenter Roeck wrote:
> On 02/09/2018 05:38 AM, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 4.9.81 release.
> > There are 92 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> > 
> > Responses should be made by Sun Feb 11 13:39:04 UTC 2018.
> > Anything received after that time might be too late.
> > 
> 
> Build results:
>   total: 145 pass: 140 fail: 5
> Failed builds:
>   powerpc:defconfig
>   powerpc:allmodconfig
>   powerpc:ppc64e_defconfig
>   powerpc:cell_defconfig
>   powerpc:maple_defconfig
> Qemu test results:
>   total: 118 pass: 113 fail: 5
> Failed tests:
>   powerpc:mac99:ppc64_book3s_defconfig:nosmp
>   powerpc:mac99:ppc64_book3s_defconfig:smp4
>   powerpc:pseries:pseries_defconfig
>   powerpc:mpc8544ds:ppc64_e5500_defconfig:nosmp
>   powerpc:mpc8544ds:ppc64_e5500_defconfig:smp
> 
> All builds and tests fail with the following error.
> 
> arch/powerpc/kernel/setup_64.c:41:25: fatal error: asm/debugfs.h: No such 
> file or directory
> 
> For older kernels, the backport of 236003e6b5443c4 ("powerpc/64s: Allow 
> control of RFI
> flush via debugfs") should include linux/debugfs.h, not asm/debugfs.h.

Thanks for letting me know, I've now fixed this up.  Will go work on the
4.4 patch as well.

greg k-h


Re: [PATCH 4.9 00/92] 4.9.81-stable review

2018-02-10 Thread Guenter Roeck

On 02/09/2018 05:38 AM, Greg Kroah-Hartman wrote:

This is the start of the stable review cycle for the 4.9.81 release.
There are 92 patches in this series, all will be posted as a response
to this one.  If anyone has any issues with these being applied, please
let me know.

Responses should be made by Sun Feb 11 13:39:04 UTC 2018.
Anything received after that time might be too late.



Build results:
total: 145 pass: 140 fail: 5
Failed builds:
powerpc:defconfig
powerpc:allmodconfig
powerpc:ppc64e_defconfig
powerpc:cell_defconfig
powerpc:maple_defconfig
Qemu test results:
total: 118 pass: 113 fail: 5
Failed tests:
powerpc:mac99:ppc64_book3s_defconfig:nosmp
powerpc:mac99:ppc64_book3s_defconfig:smp4
powerpc:pseries:pseries_defconfig
powerpc:mpc8544ds:ppc64_e5500_defconfig:nosmp
powerpc:mpc8544ds:ppc64_e5500_defconfig:smp

All builds and tests fail with the following error.

arch/powerpc/kernel/setup_64.c:41:25: fatal error: asm/debugfs.h: No such file 
or directory

For older kernels, the backport of 236003e6b5443c4 ("powerpc/64s: Allow control 
of RFI
flush via debugfs") should include linux/debugfs.h, not asm/debugfs.h.

4.4.y-queue is affected as well.

Guenter


Re: [PATCH 4.9 00/92] 4.9.81-stable review

2018-02-09 Thread Dan Rue
On Fri, Feb 09, 2018 at 02:38:29PM +0100, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.9.81 release.
> There are 92 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Sun Feb 11 13:39:04 UTC 2018.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
>   kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.81-rc1.gz
> or in the git tree and branch at:
>   git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git 
> linux-4.9.y
> and the diffstat can be found below.

Results from Linaro’s test farm.
No regressions on arm64, arm and x86_64.

Summary


kernel: 4.9.81-rc1
git repo: 
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git branch: linux-4.9.y
git commit: d3dab8430a0720fba4183f6107d70edb373be852
git describe: v4.9.80-93-gd3dab8430a07
Test details: 
https://qa-reports.linaro.org/lkft/linux-stable-rc-4.9-oe/build/v4.9.80-93-gd3dab8430a07


No regressions (compared to build v4.9.80-93-ga5ced8b8b31d)

Boards, architectures and test suites:
-

hi6220-hikey - arm64
* boot - pass: 20
* kselftest - skip: 24, pass: 41
* libhugetlbfs - skip: 1, pass: 90
* ltp-cap_bounds-tests - pass: 2
* ltp-containers-tests - skip: 17, pass: 64
* ltp-fcntl-locktests-tests - pass: 2
* ltp-filecaps-tests - pass: 2
* ltp-fs-tests - skip: 2, pass: 61
* ltp-fs_bind-tests - pass: 2
* ltp-fs_perms_simple-tests - pass: 19
* ltp-fsx-tests - pass: 2
* ltp-hugetlb-tests - skip: 1, pass: 21
* ltp-io-tests - pass: 3
* ltp-ipc-tests - pass: 9
* ltp-math-tests - pass: 11
* ltp-nptl-tests - pass: 2
* ltp-pty-tests - pass: 4
* ltp-sched-tests - skip: 4, pass: 10
* ltp-securebits-tests - pass: 4
* ltp-syscalls-tests - fail: 2, skip: 152, pass: 996
* ltp-timers-tests - skip: 1, pass: 12

juno-r2 - arm64
* boot - pass: 21
* kselftest - skip: 23, pass: 42
* libhugetlbfs - skip: 1, pass: 90
* ltp-cap_bounds-tests - pass: 2
* ltp-containers-tests - skip: 17, pass: 64
* ltp-fcntl-locktests-tests - pass: 2
* ltp-filecaps-tests - pass: 2
* ltp-fs-tests - skip: 2, pass: 61
* ltp-fs_bind-tests - pass: 2
* ltp-fs_perms_simple-tests - pass: 19
* ltp-fsx-tests - pass: 2
* ltp-hugetlb-tests - pass: 22
* ltp-io-tests - pass: 3
* ltp-ipc-tests - pass: 9
* ltp-math-tests - pass: 11
* ltp-nptl-tests - pass: 2
* ltp-pty-tests - pass: 4
* ltp-sched-tests - skip: 4, pass: 10
* ltp-securebits-tests - pass: 4
* ltp-syscalls-tests - fail: 2, skip: 149, pass: 999
* ltp-timers-tests - skip: 1, pass: 12

x15 - arm
* boot - pass: 20
* kselftest - skip: 25, pass: 39
* libhugetlbfs - skip: 1, pass: 87
* ltp-cap_bounds-tests - pass: 2
* ltp-containers-tests - skip: 17, pass: 64
* ltp-fcntl-locktests-tests - pass: 2
* ltp-filecaps-tests - pass: 2
* ltp-fs-tests - skip: 2, pass: 61
* ltp-fs_bind-tests - pass: 2
* ltp-fs_perms_simple-tests - pass: 19
* ltp-fsx-tests - pass: 2
* ltp-hugetlb-tests - skip: 2, pass: 20
* ltp-io-tests - pass: 3
* ltp-ipc-tests - pass: 9
* ltp-math-tests - pass: 11
* ltp-nptl-tests - pass: 2
* ltp-pty-tests - pass: 4
* ltp-sched-tests - skip: 1, pass: 13
* ltp-securebits-tests - pass: 4
* ltp-syscalls-tests - fail: 2, skip: 97, pass: 1051
* ltp-timers-tests - skip: 1, pass: 12

x86_64
* boot - pass: 20
* kselftest - skip: 27, pass: 54
* libhugetlbfs - skip: 1, pass: 90
* ltp-cap_bounds-tests - pass: 2
* ltp-containers-tests - skip: 17, pass: 64
* ltp-fcntl-locktests-tests - pass: 2
* ltp-filecaps-tests - pass: 2
* ltp-fs-tests - skip: 1, pass: 62
* ltp-fs_bind-tests - pass: 2
* ltp-fs_perms_simple-tests - pass: 19
* ltp-fsx-tests - pass: 2
* ltp-hugetlb-tests - pass: 21
* ltp-io-tests - pass: 3
* ltp-ipc-tests - pass: 9
* ltp-math-tests - pass: 11
* ltp-nptl-tests - pass: 2
* ltp-pty-tests - pass: 4
* ltp-sched-tests - skip: 5, pass: 9
* ltp-securebits-tests - pass: 4
* ltp-syscalls-tests - fail: 2, skip: 118, pass: 1030
* ltp-timers-tests - skip: 1, pass: 12



--
Linaro QA (beta)
https://qa-reports.linaro.org


Re: [PATCH 4.9 00/92] 4.9.81-stable review

2018-02-09 Thread Shuah Khan
On 02/09/2018 06:38 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.9.81 release.
> There are 92 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Sun Feb 11 13:39:04 UTC 2018.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
>   kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.81-rc1.gz
> or in the git tree and branch at:
>   git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git 
> linux-4.9.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h
> 

Compiled and booted on my test system. No dmesg regressions.

thanks,
-- Shuah