On Tue, 2019-01-15 at 07:34 +, tudor.amba...@microchip.com wrote:
> Hi, Ryder,
>
> On 01/14/2019 07:12 AM, Ryder Lee wrote:
> > The quadspi is a generic communication interface which could be shared
> > with other MediaTek SoCs. Hence rename it to a common one.
> >
> > Signed-off-by: Ryder Le
From: Neo Hou
When setting async EIC as IRQ_TYPE_EDGE_BOTH type, we missed to set the
SPRD_EIC_ASYNC_INTMODE register to 0, which means detecting edge signals.
Thus this patch fixes the issue.
Signed-off-by: Neo Hou
Signed-off-by: Baolin Wang
---
drivers/gpio/gpio-eic-sprd.c |1 +
1 file
From: Neo Hou
Since differnt type EICs have its own data register to read, thus fix the
incorrect data register.
Signed-off-by: Neo Hou
Signed-off-by: Baolin Wang
---
drivers/gpio/gpio-eic-sprd.c | 13 -
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/
On Tue, 2019-01-15 at 06:59 +, tudor.amba...@microchip.com wrote:
> Hi, Ryder,
>
> On 01/14/2019 07:12 AM, Ryder Lee wrote:
> > From: Guochun Mao
> >
> > SNOR_HWCAPS_READ is a basic read mode for both flash and controller,
> > it should be supported, so add the capcity for mtk-quadspi.
>
>
On Tue, Jan 15, 2019 at 7:27 AM Dave Hansen wrote:
>
> On 1/10/19 9:12 PM, Pingfan Liu wrote:
> > Although kaslr-kernel can avoid to stain the movable node. [1]
>
> Can you explain what staining is, or perhaps try to use some more
> standard nomenclature? There are exactly 0 instances of the word
Hi, Ryder,
On 01/14/2019 07:12 AM, Ryder Lee wrote:
> The quadspi is a generic communication interface which could be shared
> with other MediaTek SoCs. Hence rename it to a common one.
>
> Signed-off-by: Ryder Lee
> ---
> Changes since v1: rebase to v5.0-rc1.
The patch doesn't apply on v5.0-r
On Tue, Jan 15, 2019 at 7:12 AM Dave Hansen wrote:
>
> On 1/10/19 9:12 PM, Pingfan Liu wrote:
> > The current acpi_table_upgrade() relies on initrd_start, but this var is
>
> "var" meaning variable?
>
> Could you please go back and try to ensure you spell out all the words
> you are intending to w
On 01/14/2019 09:34 AM, Dmitry Vyukov wrote:
On Sat, Jan 12, 2019 at 12:16 PM Christophe Leroy
wrote:
>
> In kernel/cputable.c, explicitly use memcpy() in order
> to allow GCC to replace it with __memcpy() when KASAN is
> selected.
>
> Since commit 400c47d81ca38 ("powerpc32: memset: only use
"Robert O'Callahan" writes:
> This commit refactored the implementation of TIOCGPTPEER, moving "case
> TIOCGPTPEER" from pty_unix98_ioctl() to tty_ioctl().
> pty_unix98_ioctl() is called by pty_unix98_compat_ioctl(), so before
> the commit, TIOCGPTPEER worked for 32-bit userspace. Unfortunately
>
On Mon 14-01-19 12:18:07, Shakeel Butt wrote:
> On Sun, Jan 13, 2019 at 10:34 AM Michal Hocko wrote:
> >
> > On Fri 11-01-19 14:54:32, Shakeel Butt wrote:
> > > Hi Johannes,
> > >
> > > On Fri, Jan 11, 2019 at 12:59 PM Johannes Weiner
> > > wrote:
> > > >
> > > > Hi Shakeel,
> > > >
> > > > On T
On Tue, Jan 15, 2019 at 5:43 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:1bdbe2274920 Merge tag 'vfio-v5.0-rc2' of git://github.com..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1519d39f40
> kernel config:
On Mon, Jan 14, 2019 at 10:07:56AM +0100, Borislav Petkov wrote:
>On Mon, Jan 14, 2019 at 09:26:42AM +0800, Chao Fan wrote:
>> According to the code, I saw:
>> #ifdef ACPI_ASL_COMPILER
>> #define ACPI_32BIT_PHYSICAL_ADDRESS
>> #endif
>>
>> and then
>> #ifdef ACPI_32BIT_PHYSICAL_ADDRESS
>> typedef
Commit c3ff2a5193fa ("powerpc/32: add stack protector support")
caused kernel panic on PowerPC if an external module is used with
CONFIG_STACKPROTECTOR because the 'prepare' target was not executed
for the external module build.
Commit e07db28eea38 ("kbuild: fix single target build for external
mo
On Tue, Jan 15, 2019 at 12:54 AM Paul E. McKenney wrote:
>
> On Mon, Jan 14, 2019 at 02:41:49PM -0500, Alan Stern wrote:
> > The patch below is my first attempt at adapting the Linux Kernel
> > Memory Model to handle plain accesses (i.e., those which aren't
> > specially marked as READ_ONCE, WRITE
Masahiro Yamada's on January 14, 2019 1:27 pm:
> The symbol table in the final archive is unneeded because it is passed
> to the linker after the --whole-archive option. Every object file in
> the archive is included in the link anyway.
>
> Pass thin archives from subdirectories directly to the li
On 2019/1/15 上午2:04, Michael S. Tsirkin wrote:
On Fri, Jan 11, 2019 at 12:00:36PM +0800, Jason Wang wrote:
Vhost dirty page logging API is designed to sync through GPA. But we
try to log GIOVA when device IOTLB is enabled. This is wrong and may
lead to missing data after migration.
To solve t
On 15/01/19 08:04, Qian Cai wrote:
>
>
> On 1/15/19 1:44 AM, Qian Cai wrote:
>> compilation warning since v5.0-rc1,
>>
>> arch/x86/kvm/vmx/vmx.o: warning: objtool: vmx_vcpu_run.part.17()+0x3171:
>> call without frame pointer save/setup
>>
>> Fixes: 453eafbe65f (KVM: VMX: Move VM-Enter + VM-Exit h
Dear Friend,
How are you I hope you are very fine with your entire family? If so glory be to
Almighty God.
I'm happy to inform you about my success in getting those funds transferred
under the cooperation of a new partner from GREECE, Presently i'm in GREECE
for a better treatment and buildi
From: Freeman Liu
The Spreadtrum SC27XX efuse data are organized by blocks and each block
contains 2 bytes data. Moreover the nvmem core always pass the offset
in byte to the controller, so we should change the offset in byte to
the correct block index and block offset to read the data.
Signed-o
On Tue, Jan 15, 2019 at 7:07 AM Dave Hansen wrote:
>
> On 1/10/19 9:12 PM, Pingfan Liu wrote:
> > This patch identifies the point where memblock alloc start. It has no
> > functional.
>
> It has no functional ... what? Effects?
>
During re-organize the code, it takes me a long time to figure out
On 1/15/19 1:44 AM, Qian Cai wrote:
> compilation warning since v5.0-rc1,
>
> arch/x86/kvm/vmx/vmx.o: warning: objtool: vmx_vcpu_run.part.17()+0x3171:
> call without frame pointer save/setup
>
> Fixes: 453eafbe65f (KVM: VMX: Move VM-Enter + VM-Exit handling to
> non-inline sub-routines)
Oops,
Hi, Ryder,
On 01/14/2019 07:12 AM, Ryder Lee wrote:
> From: Guochun Mao
>
> SNOR_HWCAPS_READ is a basic read mode for both flash and controller,
> it should be supported, so add the capcity for mtk-quadspi.
Since I couldn't find a datasheet for mt8173, I tend to share your assumption -
SNOR_HWC
Commit b682cffa3ac6 ("spi: omap2-mcspi: Set FIFO DMA trigger level to word
length")
broke SPI transfers where bits_per_word != 8. This is because of
mimsatch between McSPI FIFO level event trigger size (SPI word length) and
DMA request size(word length * maxburst). This leads to data
corruption, l
On Mon, Jan 14, 2019 at 09:37:25PM +0100, Ilya Dryomov wrote:
> On Thu, Jan 3, 2019 at 4:50 AM Myungho Jung wrote:
> > I reproduced on vm using syzkaller utils and verified the fix by syzbot.
>
> Hi Myungho,
>
> I think this might be a better fix:
>
> diff --git a/net/ceph/messenger.c b/net/cep
Le 15/01/2019 à 01:33, Jonathan Neuschäfer a écrit :
On Mon, Jan 14, 2019 at 07:23:07PM +0100, Christophe Leroy wrote:
Le 13/01/2019 à 22:02, Jonathan Neuschäfer a écrit :
On Sun, Jan 13, 2019 at 08:43:07PM +0100, Christophe Leroy wrote:
Le 13/01/2019 à 19:16, Jonathan Neuschäfer a écrit
Here is my output after apply your patch, the duplication device still exist:
[ 48.012300] remoteproc remoteproc0: crash detected in
f921.toppwr:tl421-rproc: type watchdog
[ 48.023473] remoteproc remoteproc0: handling crash #1 in
f921.toppwr:tl421-rproc
[ 48.037504] remoteproc remotep
compilation warning since v5.0-rc1,
arch/x86/kvm/vmx/vmx.o: warning: objtool: vmx_vcpu_run.part.17()+0x3171:
call without frame pointer save/setup
Fixes: 453eafbe65f (KVM: VMX: Move VM-Enter + VM-Exit handling to
non-inline sub-routines)
Signed-off-by: Qian Cai
---
arch/x86/kvm/vmx/vmenter.S |
> > This patch adds virtio-pmem driver for KVM guest.
> >
> > Guest reads the persistent memory range information from
> > Qemu over VIRTIO and registers it on nvdimm_bus. It also
> > creates a nd_region object with the persistent memory
> > range information so that existing 'nvdimm/pmem' drive
Move exception/irqentry text address check in blacklist,
since those are symbol based rejection.
If we prohibit probing on the symbols in exception_text,
those should be blacklisted.
Signed-off-by: Masami Hiramatsu
---
arch/arm64/kernel/probes/kprobes.c |6 ++
1 file changed, 2 insertio
Use arch_populate_kprobe_blacklist() instead of
arch_within_kprobe_blacklist() so that we can see the full
blacklisted symbols under the debugfs.
Signed-off-by: Masami Hiramatsu
---
arch/arm64/kernel/probes/kprobes.c | 42
1 file changed, 23 insertions(+),
Remove unneeded RODATA check from arch_prepare_kprobe().
Since check_kprobe_address_safe() already ensured that
the probe address is in kernel text, we don't need to
check whether the address in RODATA or not. That must
be always false.
Signed-off-by: Masami Hiramatsu
---
arch/arm64/kernel/prob
Move extable address check into arch_prepare_kprobe() from
arch_within_kprobe_blacklist().
The blacklist is exposed via debugfs as a list of symbols.
The extable entries are smaller, so must be filtered out
by arch_prepare_kprobe().
Signed-off-by: Masami Hiramatsu
Reviewed-by: James Morse
---
U
Hello,
Here is the v2 series of update of the kprobe blacklist
checking on arm64.
I found that some blacklist checking code were mis-placed in
arch_prepare_kprobe() and arch_within_kprobe_blacklist().
Since the blacklist just filters by symbol, smaller than the
symbol, like extable must be checke
On Tue, Jan 15, 2019 at 7:02 AM Dave Hansen wrote:
>
> On 1/10/19 9:12 PM, Pingfan Liu wrote:
> > Background
> > When kaslr kernel can be guaranteed to sit inside unmovable node
> > after [1].
>
> What does this "[1]" refer to?
>
https://lore.kernel.org/patchwork/patch/1029376/
> Also, can you cl
Replace kzalloc() function with its 2-factor argument form, kcalloc().
This patch replaces cases of:
kzalloc(a * b, gfp)
with:
kcalloc(a, b, gfp)
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva
---
drivers/infiniband/hw/mlx5/main.c | 2 +
On Sun, Jan 13, 2019 at 6:32 AM Darren Hart (VMware)
wrote:
>
> The mlxreg-io for the merge window assumed 4.21 as the next kernel
> version. Replace 4.21 with 5.0.
>
Reviewed-by: Andy Shevchenko
> Signed-off-by: Darren Hart (VMware)
> ---
> Documentation/ABI/stable/sysfs-driver-mlxreg-io | 6
Willy Tarreau writes:
> From: Silvio Cesare
>
> Change snprintf to scnprintf. There are generally two cases where using
> snprintf causes problems.
>
> 1) Uses of size += snprintf(buf, SIZE - size, fmt, ...)
> In this case, if snprintf would have written more characters than what the
> buffer si
On Wed 09 Jan 06:29 PST 2019, Brajeswar Ghosh wrote:
> Remove linux/notifier.h which is included more than once
>
Applied, with Souptick's ack.
Thanks,
Bjorn
> Signed-off-by: Brajeswar Ghosh
> ---
> drivers/remoteproc/qcom_sysmon.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/dri
On Fri, 11 Jan 2019 18:22:38 +
James Morse wrote:
> Hi,
>
> On 09/01/2019 02:05, Masami Hiramatsu wrote:
> > On Tue, 8 Jan 2019 17:13:36 +
> > James Morse wrote:
> >> On 08/01/2019 02:39, Masami Hiramatsu wrote:
> >>> On Thu, 3 Jan 2019 17:05:18 +
> >>> James Morse wrote:
> On
Hello Changewei,
>>> On 2019/1/15 at 11:50, in message
<63adc13fd55d6546b7dece290d39e3730127825...@h3cmlb12-ex.srv.huawei-3com.com>,
Changwei Ge wrote:
> Hi Gang,
>
> Most parts of this patch look sane to me, just a tiny question...
>
> On 2019/1/11 17:01, Gang He wrote:
>> The user reported th
On Wed, Jan 9, 2019 at 8:56 PM Brajeswar Ghosh
wrote:
>
> Remove linux/mutex.h.h which is included more than once
>
> Signed-off-by: Brajeswar Ghosh
Acked-by: Souptick Joarder
> ---
> drivers/staging/android/vsoc.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/staging/androi
On Wed, Jan 9, 2019 at 8:00 PM Brajeswar Ghosh
wrote:
>
> Remove linux/notifier.h which is included more than once
>
> Signed-off-by: Brajeswar Ghosh
Acked-by: Souptick Joarder
> ---
> drivers/remoteproc/qcom_sysmon.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/remoteproc/
On Mon, Jan 14, 2019 at 6:04 PM Brian Norris wrote:
>
> Hi Gwendal,
>
> On Mon, Jan 14, 2019 at 3:50 PM Gwendal Grignou wrote:
> > On Fri, Dec 7, 2018 at 2:22 PM Brian Norris
> > wrote:
> > > On Thu, Nov 29, 2018 at 11:55:48AM -0800, egran...@google.com wrote:
> > > > --- a/drivers/platform/chr
On Tue, Jan 15, 2019 at 5:01 AM Boris Ostrovsky
wrote:
>
> On 1/11/19 10:13 AM, Souptick Joarder wrote:
> > Convert to use vm_insert_range_buggy() to map range of kernel
> > memory to user vma.
> >
> > This driver has ignored vm_pgoff. We could later "fix" these drivers
> > to behave according to
On 1/14/19 9:01 PM, H. Peter Anvin wrote:
>
> This could be as simple as spinning for a limited time waiting for
> states 0 or 3 if we are not the patching CPU. It is also not necessary
> to wait for the mask to become zero for the first sync if we find
> ourselves suddenly in state 4.
>
So this
Hi, when we change the mtu to a small value, for example, ifconfig eth0
mtu 68, IPERF test shows there's a great bandwidth drop while previous
kernel versions don't.
Git bisect find the differences is from the patch
28d35bcdd3925e7293408cdb8aa5f2aac5f0d6e3 (net: ipv4: don't let PMTU
updates inc
> > > >
> > > > On Mon, Jan 14, 2019 at 02:15:40AM -0500, Pankaj Gupta wrote:
> > > > >
> > > > > > > Until you have images (and hence host page cache) shared between
> > > > > > > multiple guests. People will want to do this, because it means
> > > > > > > they
> > > > > > > only need a single s
> > > On Mon, Jan 14, 2019 at 02:15:40AM -0500, Pankaj Gupta wrote:
> > > >
> > > > > > Until you have images (and hence host page cache) shared between
> > > > > > multiple guests. People will want to do this, because it means they
> > > > > > only need a single set of pages in host memory for e
On Mon, Jan 14, 2019 at 07:38:36PM -0800, Dmitry Torokhov wrote:
> Well, hopefully 3rd time is a charm. We tried making that check
> DMI_BIOS_VERSION and DMI_BOARD_VERSION, but the real one is
> DMI_PRODUCT_VERSION.
Reviewed-by: Andy Shevchenko
> Fixes: 86c5dd6860a6 ("pinctrl: cherryview: limit
[...]
> >
> > I would appreciate a help with those architectures because I couldn't
> > really grasp how the memoryless nodes are really initialized there. E.g.
> > ppc only seem to call setup_node_data for online nodes but I couldn't
> > find any special treatment for nodes without any memory.
>
>
> [ 114.913404] Padding 6913c65d: 00 00 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00
> [ 114.915437] Padding 2d53f25c: 00 00 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00
> [ 114.917390] Padding 78f7d621: 00 00 00 00 00 00 00 00 00 00
This commit refactored the implementation of TIOCGPTPEER, moving "case
TIOCGPTPEER" from pty_unix98_ioctl() to tty_ioctl().
pty_unix98_ioctl() is called by pty_unix98_compat_ioctl(), so before
the commit, TIOCGPTPEER worked for 32-bit userspace. Unfortunately
tty_compat_ioctl() does not call tty_io
Replace kzalloc() function with its 2-factor argument form, kcalloc().
This patch replaces cases of:
kzalloc(a * b, gfp)
with:
kcalloc(a, b, gfp)
Also, improve the coding style and the use of sizeof during
allocation by changing sizeof(struct dc_surface_update) and
sizeof(struct
On 12/28/18 at 09:12am, Dave Young wrote:
> The code cleanup mentioned in Fixes tag changed the behavior of
> kexec_locate_mem_hole. The kexec_locate_mem_hole will try to
> allocate free memory only when kbuf.mem is initialized as zero.
>
> But in x86 kexec_file_load implementation there are a fe
On 1/14/19 7:05 PM, Andy Lutomirski wrote:
> On Mon, Jan 14, 2019 at 2:55 PM H. Peter Anvin wrote:
>>
>> I think this sequence ought to work (keep in mind we are already under a
>> mutex, so the global data is safe even if we are preempted):
>
> I'm trying to wrap my head around this. The states
Rebasing and fixing conflicts.
Thanks.
Previous changes:
PATCH v1: Initial patch
PATCH v2:
Removed arch specific code and use the default clock.
Add more code re-usability
Add HAVE_EARLY_BOOT_FTRACE config option, which will be disabled by default
PATCH v3:
Write early boot temporary b
Hi Willy,
On 1/14/19 9:27 PM, Willy Tarreau wrote:
From: Silvio Cesare
Change snprintf to scnprintf. There are generally two cases where using
snprintf causes problems.
1) Uses of size += snprintf(buf, SIZE - size, fmt, ...)
In this case, if snprintf would have written more characters than wh
On Tue, Jan 15, 2019 at 4:58 AM Boris Ostrovsky
wrote:
>
> On 1/11/19 10:12 AM, Souptick Joarder wrote:
> > Convert to use vm_insert_range() to map range of kernel
> > memory to user vma.
> >
> > Signed-off-by: Souptick Joarder
>
> Reviewed-by: Boris Ostrovsky
>
> (although it would be good to m
This switches the fbtft driver to use GPIO descriptors
rather than numerical gpios:
Utilize the GPIO library's intrinsic handling of OF GPIOs
and polarity. If the line is flagged active low, gpiolib
will deal with this.
Remove gpios from platform device structure. Neither assign
statically number
On 15/01/2019 11:47, Jason A. Donenfeld wrote:
> Commit 0e759bd75285 moved around the declaration of pnv_npu2_init, but
> did not conditionalize it inside of the PCI pSeries driver. This meant
> that CONFIG_PCI && CONFIG_PPC_PSERIES && !CONFIG_PPC_POWERNV resulted
> in:
>
> powerpc64le-pc-linux
Hello,
syzbot found the following crash on:
HEAD commit:1bdbe2274920 Merge tag 'vfio-v5.0-rc2' of git://github.com..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1519d39f40
kernel config: https://syzkaller.appspot.com/x/.config?x=edf1c3031097c304
da
On Wed, Dec 19, 2018 at 5:07 PM Andrey Smirnov wrote:
>
> Everyone:
>
> This patch contains changes I made in order to add support for i.MX8MQ
> to reset-imx7.c in order to enable support of PCIE IP block on i.MX8MQ
> SoCs.
>
> Feedback is welcome!
>
> Thanks,
> Andrey Smirnov
>
Philipp, are ther
Replace kzalloc() function with its 2-factor argument form, kcalloc().
This patch replaces cases of:
kzalloc(a * b, gfp)
with:
kcalloc(a, b, gfp)
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva
---
drivers/staging/rtl8188eu/core/rtw_efus
On 1/14/19 9:31 PM, Linus Torvalds wrote:
> On Tue, Jan 15, 2019 at 4:28 PM Jens Axboe wrote:
>>
>> Thanks Ming, I'll queue this up for shipping this week.
>
> Oops. I _just_ applied it to my tree as a follow-up to Steven's
> softirq version. I just hadn't had time to build test and push out
> ye
Replace kzalloc() function with its 2-factor argument form, kcalloc().
This patch replaces cases of:
kzalloc(a * b, gfp)
with:
kcalloc(a * b, gfp)
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva
---
kernel/trace/trace_probe.c | 4 ++--
1
On Tue, Jan 15, 2019 at 4:28 PM Jens Axboe wrote:
>
> Thanks Ming, I'll queue this up for shipping this week.
Oops. I _just_ applied it to my tree as a follow-up to Steven's
softirq version. I just hadn't had time to build test and push out
yet.
Linus
On 1/14/19 8:59 PM, Ming Lei wrote:
> The original report is actually one real deadlock:
>
> [ 106.132865] Possible interrupt unsafe locking scenario:
> [ 106.132865]
> [ 106.133659]CPU0CPU1
> [ 106.134194]
>
On Tue, 15 Jan 2019 12:14:27 +0800
Ming Lei wrote:
> As I mentioned, it should be fine given it is triggered only after one word
> is run out of.
>
> Follows the lockdep warning on the latest linus tree:
Thanks for following up on this. Yes, this requires the irqsave then.
-- Steve
Signed-off-by: Finn Thain
---
drivers/char/nvram.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index adcc213c331e..c9e295d73dc5 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -503,3 +503,4 @@ module_exit(nvram_module_exit);
M
By implementing an arch_nvram_ops struct, a platform can re-use the
drivers/char/nvram.c module without needing any arch-specific code
in that module. Atari does so here.
Acked-by: Geert Uytterhoeven
Signed-off-by: Finn Thain
---
Changed since v8:
- Added static inline wrapper functions to nvra
Move the m68k-specific code out of the driver to make the driver generic.
I've used 'SPDX-License-Identifier: GPL-2.0+' for the new file because the
old file is covered by MODULE_LICENSE("GPL").
Acked-by: Geert Uytterhoeven
Signed-off-by: Finn Thain
---
Changed since v8:
- Fixed an old bug by
Also give functions more sensible names: nvram_misc_* for misc device ops,
nvram_proc_* for proc file ops and nvram_module_* for init and exit
functions. This prevents name collisions with nvram.h helper functions
and improves readability.
Signed-off-by: Finn Thain
---
drivers/char/nvram.c | 167
Replace nvram_* functions with static functions in nvram.h. These will
become wrappers for struct nvram_ops method calls.
This patch effectively disables existing NVRAM functionality so as to
allow the rest of the series to be bisected without build failures.
That functionality is gradually re-imp
The drivers/char/nvram.c module has previously supported only RTC "CMOS"
NVRAM, for which it provides appropriate checksum ioctls. Make these
ioctls optional so the module can be re-used with other kinds of NVRAM.
The ops struct methods that implement the ioctls now return error
codes so that a mu
On powerpc, setting CONFIG_NVRAM=n builds a kernel with no NVRAM support.
Setting CONFIG_NVRAM=m enables the /dev/nvram misc device module without
enabling NVRAM support in drivers. Setting CONFIG_NVRAM=y enables the
misc device (built-in) and also enables NVRAM support in drivers.
m68k shares the
Remove the nvram_read_byte() and nvram_write_byte() declarations in
powerpc/include/asm/nvram.h and use the cross-platform static functions
in linux/nvram.h instead.
Tested-by: Stan Johnson
Signed-off-by: Finn Thain
---
Changed since v8:
- Added nvram_read_byte() and nvram_write_byte() function
Atari RTC NVRAM uses a checksum so implement the remaining arch_nvram_ops
methods for the set_checksum and initialize ioctls. Enable
CONFIG_HAVE_ARCH_NVRAM_OPS.
Acked-by: Geert Uytterhoeven
Signed-off-by: Finn Thain
---
Changed since v8:
- Moved the HAVE_ARCH_NVRAM_OPS symbol to common code as
Adopt nvram module to reduce code duplication. This means CONFIG_NVRAM
becomes available to PPC64 builds. Previously it was only available to
PPC32 builds because it depended on CONFIG_GENERIC_NVRAM.
The IOC_NVRAM_GET_OFFSET ioctl as implemented on PPC64 validates the
offset returned by pmac_get_p
Add the powerpc-specific ioctls to the nvram module. This allows the nvram
module to replace the generic_nvram module.
Tested-by: Stan Johnson
Signed-off-by: Finn Thain
---
On PPC32, the IOC_NVRAM_SYNC ioctl call always returns 0, even for those
platforms that don't implement ppc_md.nvram_sync.
Switch PPC32 kernels from the generic_nvram module to the nvram module.
Also fix a theoretical bug where CHRP omits the chrp_nvram_init() call
when CONFIG_NVRAM_MODULE=m.
Tested-by: Stan Johnson
Signed-off-by: Finn Thain
---
The change in the name of the module is visible to userspace. The modu
NVRAMs on different platforms and architectures have different attributes
and access methods. E.g. some platforms have byte-at-a-time accessor
functions while others have byte-range accessor functions. Some have
checksum functionality while others do not. By calling ops struct methods
via the commo
Add the nvram_size() function to those PowerPC platforms that don't already
have one: CHRP and PowerMac. This means that the ppc_md.nvram_size()
function can be called by nvram_get_size().
Since we are addressing CHRP inconsistencies here, rename chrp_nvram_read
and chrp_nvram_write, which break t
A multi-platform kernel binary has to decide at run-time how to dispatch
the arch_nvram_ops calls. Add a platform-independent arch_nvram_ops
struct for this, to replace the atari-specific one.
Enable CONFIG_HAVE_ARCH_NVRAM_OPS for Macs.
Acked-by: Geert Uytterhoeven
Tested-by: Stan Johnson
Signe
Adopt the existing *_read_byte and *_write_byte naming convention.
Rename via_pram_readbyte and via_pram_writebyte to avoid confusion.
Adjust calling conventions of mac_pram_* functions to match the
struct nvram_ops methods.
Acked-by: Geert Uytterhoeven
Tested-by: Stan Johnson
Signed-off-by: Fin
Certain Cuda transfers have to be ended by the driver. According
to Apple's open source Cuda driver, as found in mkLinux and XNU, this
applies to any "open ended request such as PRAM read". This fixes an
infinite polling loop in cuda_pram_read_byte().
Tested-by: Stan Johnson
Signed-off-by: Finn T
PMU-based m68k Macs pre-date PowerMac-style NVRAM. Use the appropriate
PMU commands. Also implement the missing XPRAM accessors for VIA-based
Macs.
Acked-by: Geert Uytterhoeven
Tested-by: Stan Johnson
Signed-off-by: Finn Thain
---
Changed since v7:
- Revised PMU response decoding due to via-pm
The "generic" NVRAM module, drivers/char/generic_nvram.c, implements a
/dev/nvram misc device. This module is used only by 32-bit PowerPC
platforms.
The RTC "CMOS" NVRAM module, drivers/char/nvram.c, also implements a
/dev/nvram misc device. This module is now used only by x86 and m68k
thanks to c
Signed-off-by: Finn Thain
---
drivers/char/Makefile| 6 +-
drivers/char/generic_nvram.c | 160 ---
2 files changed, 1 insertion(+), 165 deletions(-)
delete mode 100644 drivers/char/generic_nvram.c
diff --git a/drivers/char/Makefile b/drivers/char/Makefi
This patch addresses inconsistencies in Mac framebuffer drivers and their
use of Kconfig symbols relating to NVRAM, so PPC64 can use CONFIG_NVRAM.
The defined(CONFIG_NVRAM) condition is replaced with the weaker
IS_REACHABLE(CONFIG_NVRAM) condition, like atari_scsi.
Macintosh framebuffer drivers u
This is intended to improve code style and not affect code behaviour.
Acked-by: Geert Uytterhoeven
Tested-by: Stan Johnson
Signed-off-by: Finn Thain
---
arch/m68k/mac/misc.c | 59 ++--
1 file changed, 41 insertions(+), 18 deletions(-)
diff --git a/arch/
Refactor the RTC "CMOS" NVRAM functions so that they can be used as
arch_nvram_ops methods. Checksumming logic is moved from the misc device
operations to the nvram read/write operations. This makes the misc device
implementation more generic.
This preserves the locking mechanism such that "read i
On Mon, Jan 14, 2019 at 10:50:17PM -0500, Steven Rostedt wrote:
> On Tue, 15 Jan 2019 11:23:56 +0800
> Ming Lei wrote:
>
> > Given 'swap_lock' can be acquired from blk_mq_dispatch_rq_list() via
> > blk_mq_get_driver_tag() directly, the above deadlock may be possible.
> >
> > Sounds the correct f
On Thu, Dec 20, 2018 at 05:36:03PM -0500, Michael S. Tsirkin wrote:
> On Thu, Dec 20, 2018 at 04:31:58PM -0600, Bjorn Helgaas wrote:
> > On Thu, Dec 20, 2018 at 04:26:54PM -0500, Michael S. Tsirkin wrote:
> > > On Thu, Dec 20, 2018 at 01:49:50PM -0600, Bjorn Helgaas wrote:
> > > > On Mon, Dec 17, 2
The original report is actually one real deadlock:
[ 106.132865] Possible interrupt unsafe locking scenario:
[ 106.132865]
[ 106.133659]CPU0CPU1
[ 106.134194]
[ 106.134733] lock(&(&sb->map[i].swap_lock)->rl
On 1/14/19 8:06 PM, Marcos Paulo de Souza wrote:
> blk_init_queue was removed in a1ce35fa4985.
Honestly, most of that comment is wrong anyway. Since this isn't
a visible API, I'd just kill the comment completely.
> Signed-off-by: Marcos Paulo de Souza
> ---
> There are more two references in Do
[ resending to Rob... ]
On Tue, Jan 08, 2019 at 01:42:49AM +0900, Donghoon Han wrote:
> Add DT binding document for rotary-encoder, keycode options.
>
> Signed-off-by: Donghoon Han
> Cc: Dmitry Torokhov
> Cc: Daniel Mack
> Cc: devicet...@vger.kernel.org
> To: linux-in...@vger.kernel.org
> ---
>
On Tue, Jan 08, 2019 at 01:42:49AM +0900, Donghoon Han wrote:
> Add DT binding document for rotary-encoder, keycode options.
>
> Signed-off-by: Donghoon Han
> Cc: Dmitry Torokhov
> Cc: Daniel Mack
> Cc: devicet...@vger.kernel.org
> To: linux-in...@vger.kernel.org
> ---
> .../devicetree/binding
Hi Gang,
Most parts of this patch look sane to me, just a tiny question...
On 2019/1/11 17:01, Gang He wrote:
> The user reported this problem, the upper application IO was
> timeout when fstrim was running on this ocfs2 partition. the
> application monitoring resource agent considered that this
On Tue, 15 Jan 2019 11:23:56 +0800
Ming Lei wrote:
> Given 'swap_lock' can be acquired from blk_mq_dispatch_rq_list() via
> blk_mq_get_driver_tag() directly, the above deadlock may be possible.
>
> Sounds the correct fix may be the following one, and the irqsave cost
> should be fine given sbitm
On Mon, Jan 14, 2019 at 08:41:16PM -0700, Jens Axboe wrote:
> On 1/14/19 8:23 PM, Ming Lei wrote:
> > Hi Steven,
> >
> > On Mon, Jan 14, 2019 at 12:14:14PM -0500, Steven Rostedt wrote:
> >> It was brought to my attention (by this creating a splat in the RT tree
> >> too) this code:
> >>
> >> stati
1 - 100 of 1164 matches
Mail list logo
