From: "Pandruvada, Srinivas" <srinivas.pandruvada@intel.com>
To: "mranostay@gmail.com" <mranostay@gmail.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux@sciencehorizons.net" <linux@sciencehorizons.net>,
"linux-iio@vger.kernel.org" <linux-iio@vger.kernel.org>,
"jic23@kernel.org" <jic23@kernel.org>,
"hadess@hadess.net" <hadess@hadess.net>
Subject: Re: screen rotation flipped in 4.8-rc
Date: Wed, 31 Aug 2016 20:29:56 +0000 [thread overview]
Message-ID: <1472675395.5025.31.camel@intel.com> (raw)
In-Reply-To: <CAKzfze_8zz6pYbccc3tpV_3qzT4gDRjaAxC_p4f3E+b0=FU4Wg@mail.gmail.com>
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WARNING: multiple messages have this Message-ID (diff)
From: "Pandruvada, Srinivas" <srinivas.pandruvada@intel.com>
To: "mranostay@gmail.com" <mranostay@gmail.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux@sciencehorizons.net" <linux@sciencehorizons.net>,
"linux-iio@vger.kernel.org" <linux-iio@vger.kernel.org>,
"jic23@kernel.org" <jic23@kernel.org>,
"hadess@hadess.net" <hadess@hadess.net>
Subject: Re: screen rotation flipped in 4.8-rc
Date: Wed, 31 Aug 2016 20:29:56 +0000 [thread overview]
Message-ID: <1472675395.5025.31.camel@intel.com> (raw)
In-Reply-To: <CAKzfze_8zz6pYbccc3tpV_3qzT4gDRjaAxC_p4f3E+b0=FU4Wg@mail.gmail.com>
On Wed, 2016-08-31 at 13:24 -0700, Matt Ranostay wrote:
> On Wed, Aug 31, 2016 at 1:18 PM, Pandruvada, Srinivas
> <srinivas.pandruvada@intel.com> wrote:
> >
> > On Tue, 2016-08-30 at 17:41 -0700, Matt Ranostay wrote:
> > >
> > > On Tue, Aug 30, 2016 at 3:42 PM, Pandruvada, Srinivas
> > > <srinivas.pandruvada@intel.com> wrote:
> > > >
> > > >
> > > > Hi All,
> > > >
> > > > I observed that using iio-sensor-proxy.service, the auto screen
> > > > rotation flipped on my laptop (Normal -> vertical, vertical-
> > > > >
> > > > > normal)
> > > > using kernel v4.8.
> > > >
> > > > Anyone else has seen this?
> > > >
> > > > I did a bisect and found a commit, which I am not sure how can
> > > > it
> > > > impact.
> > > Could you post the results of CONFIG_TEST_HASH enabled?
> > Attached dmesg.txt with the CONFIG_TEST_HASH=y.
> >
> > I see
> > [ 4.276138] test_hash: __hash_32() has no arch implementation to
> > test.
> > [ 4.276138] test_hash: hash_32() has no arch implementation to
> > test.
> > [ 4.276139] test_hash: hash_64() has no arch implementation to
> > test.
> > [ 4.276141] test_hash: 33152 tests passed.
> >
> Ok have you tested with that patchset reverted? And if so does the
> regression disappear?
Yes, but not after adding CONFIG_TEST_HASH=y.
regression disappears.
> I would highly doubt if it was a issue with that dcache patchsets it
> wouldn't be breaking a ton of things.
I also think that.
Thanks,
Srinivas
>
> >
> > Thanks,
> > Srinivas
> > >
> > >
> > > Thanks,
> > >
> > > Matt
> > >
> > > >
> > > >
> > > >
> > > >
> > > > commit 703b5faf22fbddf984a361e6555f3a03fdba63d9
> > > > Author: George Spelvin <linux@sciencehorizons.net>
> > > > Date: Fri Jun 10 00:22:12 2016 -0400
> > > >
> > > > fs/dcache.c: Save one 32-bit multiply in dcache lookup
> > > >
> > > > Noe that we're mixing in the parent pointer earlier, we
> > > > don't need to use hash_32() to mix its bits. Instead, we
> > > > can
> > > > just take the msbits of the hash value directly.
> > > >
> > > > For those applications which use the partial_name_hash(),
> > > > move the multiply to end_name_hash.
> > > >
> > > > Signed-off-by: George Spelvin <linux@sciencehorizons.net>
> > > > Signed-off-by: Linus Torvalds <torvalds@linux-foundation.or
> > > > g>
> > > >
> > > >
> > > > Thanks,
> > > > Srinivas
next prev parent reply other threads:[~2016-08-31 20:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-30 22:42 screen rotation flipped in 4.8-rc Pandruvada, Srinivas
2016-08-30 22:42 ` Pandruvada, Srinivas
2016-08-31 0:41 ` Matt Ranostay
2016-08-31 20:18 ` Pandruvada, Srinivas
2016-08-31 20:24 ` Matt Ranostay
2016-08-31 20:29 ` Pandruvada, Srinivas [this message]
2016-08-31 20:29 ` Pandruvada, Srinivas
2016-08-31 20:43 ` Matt Ranostay
2016-08-31 22:53 ` Srinivas Pandruvada
2016-09-01 0:48 ` Matt Ranostay
2016-09-02 22:48 ` Srinivas Pandruvada
2016-09-03 15:02 ` Jonathan Cameron
2016-09-06 12:25 ` Bastien Nocera
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