From: Jin Qian
partial backport from 21fc61c73c3903c4c312d0802da01ec2b323d174 upstream
to v4.4 to prevent virt_to_page on highmem.
ext4_encrypted_follow_link uses kmap() for cpage
caddr = kmap(cpage);
_ext4_fname_disk_to_usr calls virt_to_page on the kmapped address
: David Howells
Signed-off-by: James Morris
Signed-off-by: Jin Qian
Signed-off-by: Jin Qian
---
security/keys/encrypted-keys/encrypted.c | 31 +++
1 file changed, 15 insertions(+), 16 deletions(-)
diff --git a/security/keys/encrypted-keys/encrypted.c
b/security/k
: David Howells
Signed-off-by: James Morris
Signed-off-by: Jin Qian
Signed-off-by: Jin Qian
---
security/keys/encrypted-keys/encrypted.c | 31 +++
1 file changed, 15 insertions(+), 16 deletions(-)
diff --git a/security/keys/encrypted-keys/encrypted.c
b/security/k
: David Howells
Signed-off-by: James Morris
Signed-off-by: Jin Qian
---
security/keys/encrypted-keys/encrypted.c | 31 +++
1 file changed, 15 insertions(+), 16 deletions(-)
diff --git a/security/keys/encrypted-keys/encrypted.c
b/security/keys/encrypted-keys/
From: Jin Qian
partial backport from 21fc61c73c3903c4c312d0802da01ec2b323d174 upstream
to v4.4 to prevent virt_to_page on highmem.
ext4_encrypted_follow_link uses kmap() for cpage
caddr = kmap(cpage);
_ext4_fname_disk_to_usr calls virt_to_page on the kmapped address
: David Howells
Signed-off-by: James Morris
Signed-off-by: Jin Qian
---
security/keys/encrypted-keys/encrypted.c | 31 +++
1 file changed, 15 insertions(+), 16 deletions(-)
diff --git a/security/keys/encrypted-keys/encrypted.c
b/security/keys/encrypted-keys/
From: Jin Qian
partial backport of 21fc61c73c3903c4c312d0802da01ec2b323d174.
ext4_encrypted_follow_link uses kmap() for cpage
caddr = kmap(cpage);
_ext4_fname_disk_to_usr calls virt_to_page on the kmapped address.
_ext4_fname_disk_to_usr()
ext4_fname_decrypt()
sg_init_one
From: Jin Qian
Expose emmc revision as part of device attributes.
Signed-off-by: Jin Qian
---
Documentation/ABI/testing/sysfs-bus-mmc | 4
drivers/mmc/core/mmc.c | 2 ++
2 files changed, 6 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-bus-mmc
diff
From: Jin Qian
Expose emmc revision as part of device attributes.
Signed-off-by: Jin Qian
---
Documentation/ABI/testing/sysfs-bus-mmc | 4
drivers/mmc/core/mmc.c | 2 ++
2 files changed, 6 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-bus-mmc
diff
From: Jin Qian
Expose emmc revision as part of device attributes.
Signed-off-by: Jin Qian
---
Documentation/ABI/testing/sysfs-bus-mmc | 4
drivers/mmc/core/mmc.c | 2 ++
2 files changed, 6 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-bus-mmc
diff
From: Jin Qian
Expose emmc revision as part of device attributes.
Signed-off-by: Jin Qian
---
drivers/mmc/core/mmc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 36217ad5e9b1..4aa4cfb2c9e1 100644
--- a/drivers/mmc/core/mmc.c
+++ b
I meant that the patch needs Cc: sta...@vger.kernel.org.
Thanks,
jin
On Mon, Jun 12, 2017 at 11:02 PM, Greg Kroah-Hartman
wrote:
> On Fri, Jun 09, 2017 at 12:15:42PM -0700, Jin Qian wrote:
>> Reviewed-by: Jin Qian
>>
>> Can we merge this to stable?
>
> I don'
Reviewed-by: Jin Qian
Can we merge this to stable?
Thanks!
jin
On Mon, May 22, 2017 at 11:48 AM, Alan Cox wrote:
> On Mon, 22 May 2017 13:51:52 +0200
> Michal Hocko wrote:
>
>> On Sun 21-05-17 09:48:36, Michal Hocko wrote:
>> > On Sun 21-05-17 00:45:46, Wei Yongjun
Removed redundant signoff.
export rev to collect some statistics on how many devices are running
with which mmc revision.
Other attr name seems follow cid. or ext_csd..
Thanks,
jin
On Tue, Mar 21, 2017 at 3:17 PM, Jaehoon Chung wrote:
> Hi,
>
> On 03/22/2017 07:01 AM, Jin Q
Extend sysfs to access ext_csd revision information.
Signed-off-by: Jin Qian
---
drivers/mmc/core/mmc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 7fd722868875..08c62c9bec48 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc
Extend sysfs to access ext_csd revision information.
Signed-off-by: Jin Qian
Signed-off-by: Jin Qian
---
drivers/mmc/core/mmc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 7fd722868875..08c62c9bec48 100644
--- a/drivers/mmc/core
On Thu, Mar 3, 2016 at 9:18 AM, Greg Kroah-Hartman
wrote:
> A: No.
> Q: Should I include quotations after my reply?
>
> http://daringfireball.net/2007/07/on_top
>
> On Thu, Mar 03, 2016 at 03:52:20AM +, Ning, Yu wrote:
>> Well, virtio_blk does use dynamic major number allocation, but the
>> al
n Wed, Mar 02, 2016 at 05:08:00PM -0800, Jin Qian wrote:
>> Hi -
>>
>> Can we allocate an official device major number for virtio devices?
>> Currently it's using 240-254 (LOCAL/EXPERIMENTAL USE). The reason we
>> ask for this is because userspace will need to trea
Hi -
Can we allocate an official device major number for virtio devices?
Currently it's using 240-254 (LOCAL/EXPERIMENTAL USE). The reason we
ask for this is because userspace will need to treat virtio block
devices differently and need a way to detect such device. For example,
it checks major num
From: Jason Hu
Add ACPI binding to the android pipe driver
Signed-off-by: Jason Hu
Signed-off-by: Jin Qian
---
drivers/platform/goldfish/goldfish_pipe.c | 8
1 file changed, 8 insertions(+)
diff --git a/drivers/platform/goldfish/goldfish_pipe.c
b/drivers/platform/goldfish
From: Alex Bennée
You just make it harder to figure out when commands are being used.
Signed-off-by: Alex Bennée
Signed-off-by: Jin Qian
---
drivers/platform/goldfish/goldfish_pipe.c | 16 +---
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/drivers/platform
Dall
Signed-off-by: Jin Qian
---
drivers/platform/goldfish/goldfish_pipe.c | 129 +-
1 file changed, 72 insertions(+), 57 deletions(-)
diff --git a/drivers/platform/goldfish/goldfish_pipe.c
b/drivers/platform/goldfish/goldfish_pipe.c
index 0fb3a34..20a9337 100644
--
existing (wrong) behavior of dropping errors on the floor.
Signed-off-by: Greg Hackmann
Signed-off-by: Jin Qian
---
drivers/platform/goldfish/goldfish_pipe.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/goldfish/goldfish_pipe.c
b/drivers/platform
ck that is currently under development.
Signed-off-by: Greg Hackmann
Signed-off-by: Jin Qian
---
Documentation/devicetree/bindings/goldfish/pipe.txt | 17 +
drivers/platform/goldfish/goldfish_pipe.c | 10 +-
2 files changed, 26 insertions(+), 1 deletion(-)
create m
https://android-review.googlesource.com/128280 for the QEMU-side
patch.
In addition, use the mmap semaphore (in read mode) to safeguard the
call to get_user_pages().
Signed-off-by: Yu Ning
Signed-off-by: Jin Qian
---
drivers/platform/goldfish/goldfish_pipe.c | 29 +++--
1 f
From: Miodrag Dinic
Enable CONFIG_GOLDFISH for MIPS platforms.
Signed-off-by: Miodrag Dinic
Signed-off-by: Jin Qian
---
drivers/platform/goldfish/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/platform/goldfish/Kconfig
b/drivers/platform/goldfish/Kconfig
the goldfish bus into its own config option.
Signed-off-by: Greg Hackmann
Signed-off-by: Jin Qian
---
drivers/platform/Kconfig | 3 +--
drivers/platform/goldfish/Kconfig | 18 ++
drivers/platform/goldfish/Makefile | 2 +-
3 files changed, 20 insertions(+), 3
This is to upstream a few patches to fix issues in existing goldfish
drivers so that android kernel team don't have to maintain cleanup patches
outside mainline kernel tree.
Alex Bennée (1):
android_pipe: don't be clever with #define offsets
Christoffer Dall (1):
android_pipe: Pin pages to me
From: Greg Hackmann
Signed-off-by: Greg Hackmann
(cherry picked from commit 3c56d07eb796066530e93a40e74dea3bc59bf4cf)
Signed-off-by: Jin Qian
---
Documentation/devicetree/bindings/goldfish/pipe.txt | 17 +
drivers/platform/goldfish/goldfish_pipe.c | 10 +-
2
From: Greg Hackmann
Signed-off-by: Greg Hackmann
(cherry picked from commit 3c56d07eb796066530e93a40e74dea3bc59bf4cf)
Signed-off-by: Jin Qian
---
drivers/platform/goldfish/goldfish_pipe.c | 10 +-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/goldfish
Dall
(cherry picked from commit ca8dafc623c6956fad77df80540a1e31f5f8fe2b)
Signed-off-by: Jin Qian
---
drivers/platform/goldfish/goldfish_pipe.c | 129 +-
1 file changed, 72 insertions(+), 57 deletions(-)
diff --git a/drivers/platform/goldfish/goldfish_pipe.c
b/drive
the goldfish bus into its own config option.
Signed-off-by: Greg Hackmann
(cherry picked from commit 711910868190ee3645c1c52701bdde87783f)
Signed-off-by: Jin Qian
---
drivers/platform/Kconfig | 3 +--
drivers/platform/goldfish/Kconfig | 18 ++
drivers/platform
From: Alex Bennée
You just make it harder to figure out when commands are being used.
Signed-off-by: Alex Bennée
(cherry picked from commit b765d478f67a2f6cb43c40a99114ea5ff1bcff97)
Signed-off-by: Jin Qian
---
drivers/platform/goldfish/goldfish_pipe.c | 16 +---
1 file changed, 5
From: Miodrag Dinic
Enable CONFIG_GOLDFISH for MIPS platforms.
Signed-off-by: Miodrag Dinic
(cherry picked from commit 77559b0f7df9c7b81cb2500f4fe07b4dbbaf239a)
Signed-off-by: Jin Qian
---
drivers/platform/goldfish/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a
https://android-review.googlesource.com/128280 for the QEMU-side
patch.
In addition, use the mmap semaphore (in read mode) to safeguard the
call to get_user_pages().
Signed-off-by: Yu Ning
(cherry picked from commit acf92a5c274dfbdfff877ed86bebc4b2b92fe1d9)
Signed-off-by: Jin Qian
---
drivers/pl
From: Jason Hu
Add ACPI binding to the android pipe driver
Signed-off-by: Jason Hu
(cherry picked from commit 044d26f395f8c45ada0ead21285ffe4628f05046)
Signed-off-by: Jin Qian
---
drivers/platform/goldfish/goldfish_pipe.c | 8
1 file changed, 8 insertions(+)
diff --git a/drivers
existing (wrong) behavior of dropping errors on the floor.
Signed-off-by: Greg Hackmann
(cherry picked from commit 1bebc767c41766fc00787473e364db83d5fe6989)
Signed-off-by: Jin Qian
---
drivers/platform/goldfish/goldfish_pipe.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git
really happen during driver development. Hope this is
ok.
Thanks,
jin
On Thu, May 14, 2015 at 5:22 PM, Rafael J. Wysocki wrote:
> On Wednesday, May 06, 2015 03:26:56 PM Jin Qian wrote:
>> A rogue wakeup source not registered in wakeup_sources list is not visible
>> from wakeup_sou
May 15, 2015 at 5:41 PM, Rafael J. Wysocki wrote:
> On Wednesday, April 22, 2015 05:50:12 PM Jin Qian wrote:
>> After a wakeup_source is destroyed, we lost all information such as how
>> long this wakeup_source has been active. Add a dummy wakeup_source to
>> record such info.
After a wakeup_source is destroyed, we lost all information such as how
long this wakeup_source has been active. Add a dummy wakeup_source to
record such info.
Signed-off-by: Jin Qian
---
drivers/base/power/wakeup.c | 36
1 file changed, 36 insertions
A rogue wakeup source not registered in wakeup_sources list is not visible
from wakeup_sources_stats_show. Check if the wakeup source is registered
properly by looking at the timer struct.
Signed-off-by: Jin Qian
---
drivers/base/power/wakeup.c | 18 ++
1 file changed, 18
out the problematic wakeup
event with inaccurate wakeup_count : )
Thanks,
jin
On Fri, May 15, 2015 at 5:34 PM, Rafael J. Wysocki wrote:
> On Wednesday, April 22, 2015 05:50:11 PM Jin Qian wrote:
>> user-space aborts suspend attempt if writing wakeup_count failed.
>> Count th
A rogue wakeup source not registered in wakeup_sources list is not visible
from wakeup_sources_stats_show. Check if the wakeup source is registered
properly by looking at the timer struct.
Signed-off-by: Jin Qian
---
drivers/base/power/wakeup.c | 18 ++
1 file changed, 18
I have to break the line since it's over 80 characters : ) I'll follow
CodingStyle and send a new patch.
Thanks,
jin
On Wed, May 6, 2015 at 3:39 PM, Rafael J. Wysocki wrote:
> On Wednesday, May 06, 2015 03:11:48 PM Jin Qian wrote:
>> Hi Rafael,
>>
>> I kept br
s).
It's not very useful to print name if we have stack dump from
WARN_ONCE.
Thanks,
jin
On Wed, May 6, 2015 at 3:00 PM, Rafael J. Wysocki wrote:
> On Wednesday, May 06, 2015 11:51:07 AM Jin Qian wrote:
>> A rogue wakeup source not registered in wakeup_sources list
A rogue wakeup source not registered in wakeup_sources list is not visible
from wakeup_sources_stats_show. Check if the wakeup source is registered
properly by looking at the timer struct.
Signed-off-by: Jin Qian
---
drivers/base/power/wakeup.c | 19 +++
1 file changed, 19
A rogue wakeup source not registered in wakeup_sources list is not visible
from wakeup_sources_stats_show. Check if the wakeup source is registered
properly by looking at the timer function.
Signed-off-by: Jin Qian
---
drivers/base/power/wakeup.c | 19 +++
1 file changed, 19
to be
noticed considering we deal with particular wakeup source. I can make
the pr_err BUG_ON or WARN_ON if they're more noticeable.
Thanks,
jin
On Sat, Apr 25, 2015 at 1:12 PM, Pavel Machek wrote:
> On Wed 2015-04-22 17:50:10, Jin Qian wrote:
>> A rogue wakeup source not registere
anks,
jin
On Mon, Apr 27, 2015 at 10:53 AM, Jin Qian wrote:
> write fails when there's any new wakeup event after previous read.
>
> https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-power
>
> What: /sys/power/wakeup_count
> Date: July 2010
user-space aborts suspend attempt if writing wakeup_count failed.
Count the write failure towards wakeup_count.
Signed-off-by: Jin Qian
---
drivers/base/power/wakeup.c | 17 +
1 file changed, 17 insertions(+)
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power
After a wakeup_source is destroyed, we lost all information such as how
long this wakeup_source has been active. Add a dummy wakeup_source to
record such info.
Signed-off-by: Jin Qian
---
drivers/base/power/wakeup.c | 35 +++
1 file changed, 35 insertions
A rogue wakeup source not registered in wakeup_sources list is not visible
from wakeup_sources_stats_show. Check if the wakeup source is registered
properly by looking at the timer function.
Signed-off-by: Jin Qian
---
drivers/base/power/wakeup.c | 19 +++
1 file changed, 19
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