[PATCH] powerpc: disable support for relative ksymtab references

The newly added code that emits ksymtab entries as pairs of 32-bit relative references interacts poorly with the way powerpc lays out its address space: when a module exports a per-CPU variable, the primary module region covering the ksymtab entry -and thus the 32-bit relative reference- is too far

Re: Oops running iptables -F OUTPUT

On Tue, 28 Aug 2018 18:09:09 +0200 Ard Biesheuvel wrote: > On 28 August 2018 at 15:56, Ard Biesheuvel wrote: > > Hello Andreas, Nick, > > > > On 28 August 2018 at 06:06, Nicholas Piggin > > wrote: > >> On Mon, 27 Aug 2018 19:11:01 +0200 > >> Andreas Schwab wrote: > >> > >>> I'm getting th

Re: Oops running iptables -F OUTPUT

On Wed, 29 Aug 2018 13:28:27 +1000 Nicholas Piggin wrote: > On Tue, 28 Aug 2018 14:06:32 +1000 > Nicholas Piggin wrote: > > > On Mon, 27 Aug 2018 19:11:01 +0200 > > Andreas Schwab wrote: > > > > > I'm getting this Oops when running iptables -F OUTPUT: > > > > > > [ 91.139409] Unable to h

Re: Oops running iptables -F OUTPUT

On Tue, 28 Aug 2018 14:06:32 +1000 Nicholas Piggin wrote: > On Mon, 27 Aug 2018 19:11:01 +0200 > Andreas Schwab wrote: > > > I'm getting this Oops when running iptables -F OUTPUT: > > > > [ 91.139409] Unable to handle kernel paging request for data at address > > 0xd001fff12f34 > > [

RE: [PATCH 4/6] net/wan/fsl_ucc_hdlc: default hmask value

From: David Gounaris Date: 2018/8/28 19:09 > Subject: [PATCH 4/6] net/wan/fsl_ucc_hdlc: default hmask value > > Set default HMASK to 0x to use > promiscuous mode in the hdlc controller. > > Signed-off-by: David Gounaris > --- > drivers/net/wan/fsl_ucc_hdlc.h | 2 +- > 1 file changed, 1 ins

Re: [PATCH 5/5] arm64: dts: add LX2160ARDB board support

On Tue, 2018-08-21 at 15:45 -0500, Rob Herring wrote: > On Mon, Aug 20, 2018 at 1:52 PM Vabhav Sharma wrote: > > +/ { > > + model = "NXP Layerscape LX2160ARDB"; > > + compatible = "fsl,lx2160a-rdb", "fsl,lx2160a"; > > + > > + aliases { > > + crypto = &crypto; > > D

Re: [PATCH 3/5] drivers: clk-qoriq: Add clockgen support for lx2160a

On Mon, 2018-08-20 at 12:17 +0530, Vabhav Sharma wrote: > From: Yogesh Gaur > > Add clockgen support for lx2160a. > Added entry for compat 'fsl,lx2160a-clockgen'. > As LX2160A is 16 core, so modified value for NUM_CMUX > > Signed-off-by: Tang Yuantian > Signed-off-by: Yogesh Gaur > Signed-off-

Re: [PATCH] selftests/powerpc: Do not fail on TM_CAUSE_RESCHED

Hi Breno, On 08/21/2018 03:56 PM, Breno Leitao wrote: There are cases where the test is not expecting to have the transaction aborted, but, the test process might have been rescheduled, either in the OS level or by KVM (if it is running on a KVM guest machine). The process reschedule will cause

Re: [PATCH 3/5] drivers: clk-qoriq: Add clockgen support for lx2160a

Quoting Vabhav Sharma (2018-08-19 23:47:14) > From: Yogesh Gaur > > Add clockgen support for lx2160a. > Added entry for compat 'fsl,lx2160a-clockgen'. > As LX2160A is 16 core, so modified value for NUM_CMUX > > Signed-off-by: Tang Yuantian > Signed-off-by: Yogesh Gaur > Signed-off-by: Vabhav S

Re: [PATCH 1/2] soc: fsl: qbman: qman_portal: defer probing when qman is not available

On Fri, Aug 24, 2018 at 9:54 AM Roy Pledge wrote: > > On 8/23/2018 5:36 PM, Alexandre Belloni wrote: > > If the qman driver (qman_ccsr) doesn't probe or fail to probe before > > qman_portal, qm_ccsr_start will be either NULL or a stale pointer to an > > unmapped page. > > > > This leads to a crash

Re: [PATCH] soc: Convert to using %pOFn instead of device_node.name

On 08/28/2018 03:29 PM, Li Yang wrote: > On Tue, Aug 28, 2018 at 5:16 PM Tyrel Datwyler > wrote: >> >> On 08/28/2018 11:48 AM, Li Yang wrote: >>> On Mon, Aug 27, 2018 at 8:57 PM Rob Herring wrote: In preparation to remove the node name pointer from struct device_node, convert print

Re: [PATCH] soc: Convert to using %pOFn instead of device_node.name

On Tue, Aug 28, 2018 at 5:16 PM Tyrel Datwyler wrote: > > On 08/28/2018 11:48 AM, Li Yang wrote: > > On Mon, Aug 27, 2018 at 8:57 PM Rob Herring wrote: > >> > >> In preparation to remove the node name pointer from struct device_node, > >> convert printf users to use the %pOFn format specifier. >

Re: [PATCH] soc: Convert to using %pOFn instead of device_node.name

On 08/28/2018 11:48 AM, Li Yang wrote: > On Mon, Aug 27, 2018 at 8:57 PM Rob Herring wrote: >> >> In preparation to remove the node name pointer from struct device_node, >> convert printf users to use the %pOFn format specifier. > > Please forgive my ignorance, but what is this format specifier d

Re: FSL/NXP P5020: USB problems with the latest Git kernels

Hello Scott On 27/08/2018, Scott Wood wrote: > On Mon, 2018-08-27 at 20:15 +0200, Christian Zigotzky wrote: >> Hello, >> >> Our users tested the RC1 of kernel 4.19 on their P5020 boards today. >> Unfortunately the USB bug still exists. With mem values bigger than 4096M, >> the USB mouse and keybo

Re: [PATCH] soc: Convert to using %pOFn instead of device_node.name

On Mon, Aug 27, 2018 at 8:57 PM Rob Herring wrote: > > In preparation to remove the node name pointer from struct device_node, > convert printf users to use the %pOFn format specifier. Please forgive my ignorance, but what is this format specifier do exactly? I cannot find anything listed in th

Re: [PATCH v2] ASoC: Convert to using %pOFn instead of device_node.name

On Tue, Aug 28, 2018 at 10:44:28AM -0500, Rob Herring wrote: > In preparation to remove the node name pointer from struct device_node, > convert printf users to use the %pOFn format specifier. Please don't send new patches in reply to existing threads, it makes it harder to follow what the current

Re: Oops running iptables -F OUTPUT

On Aug 28 2018, Ard Biesheuvel wrote: > diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c > index 6a501b25dd85..57d09d5ceb1a 100644 > --- a/arch/powerpc/kernel/setup_64.c > +++ b/arch/powerpc/kernel/setup_64.c > @@ -779,7 +779,6 @@ EXPORT_SYMBOL(__per_cpu_offset); > >

[PATCH 3/3] powerpc/64s/hash: avoid the POWER5 < DD2.1 slb invalidate workaround on POWER8/9

I only have POWER8/9 to test, so just remove it for those. Signed-off-by: Nicholas Piggin --- arch/powerpc/kernel/entry_64.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 2206912ea4f0..77a888bfcb53 100644 --- a/arch/po

[PATCH 2/3] powerpc/64s/hash: Use POWER9 SLBIA IH=3 variant in switch_mm

POWER9 introduces SLBIA IH=3, which invalidates all SLB entries and associated lookaside information that have a class value of 1, which Linux assigns to user addresses. This matches what switch_slb wants, and allows a simple fast implementation that avoids the slb_cache complexity. As a side-effe

[PATCH 1/3] powerpc/64s/hash: Fix stab_rr off by one initialization

This causes SLB alloation to start 1 beyond the start of the SLB. There is no real problem because after it wraps it stats behaving properly, it's just surprisig to see when looking at SLB traces. Signed-off-by: Nicholas Piggin --- arch/powerpc/mm/slb.c | 2 +- 1 file changed, 1 insertion(+), 1

[PATCH 0/3] misc SLB patches

These are a few bits and pieces I collected I'll get out of the way ahead of the SLB rewrite in C patch and subsequent improvements. Nicholas Piggin (3): powerpc/64s/hash: Fix stab_rr off by one initialization powerpc/64s/hash: Use POWER9 SLBIA IH=3 variant in switch_mm powerpc/64s/hash: avo

Re: Oops running iptables -F OUTPUT

On 28 August 2018 at 15:56, Ard Biesheuvel wrote: > Hello Andreas, Nick, > > On 28 August 2018 at 06:06, Nicholas Piggin wrote: >> On Mon, 27 Aug 2018 19:11:01 +0200 >> Andreas Schwab wrote: >> >>> I'm getting this Oops when running iptables -F OUTPUT: >>> >>> [ 91.139409] Unable to handle ker

[PATCH v2] sound: Convert to using %pOFn instead of device_node.name

In preparation to remove the node name pointer from struct device_node, convert printf users to use the %pOFn format specifier. Cc: Johannes Berg Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: linuxppc-dev@lists.ozlabs.org Cc: alsa-de...@alsa-project.org Signed-off-by: Rob Herring --- v2: - Fix erro

[PATCH v2] ASoC: Convert to using %pOFn instead of device_node.name

In preparation to remove the node name pointer from struct device_node, convert printf users to use the %pOFn format specifier. Cc: Timur Tabi Cc: Nicolin Chen Cc: Xiubo Li Cc: Fabio Estevam Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: Carlo Caione Cc: Kevin H

Patch "usb/phy: fix PPC64 build errors in phy-fsl-usb.c" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled usb/phy: fix PPC64 build errors in phy-fsl-usb.c to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-ph

Patch "usb/phy: fix PPC64 build errors in phy-fsl-usb.c" has been added to the 3.18-stable tree

This is a note to let you know that I've just added the patch titled usb/phy: fix PPC64 build errors in phy-fsl-usb.c to the 3.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-p

Re: Oops running iptables -F OUTPUT

Hello Andreas, Nick, On 28 August 2018 at 06:06, Nicholas Piggin wrote: > On Mon, 27 Aug 2018 19:11:01 +0200 > Andreas Schwab wrote: > >> I'm getting this Oops when running iptables -F OUTPUT: >> >> [ 91.139409] Unable to handle kernel paging request for data at address >> 0xd001fff12f34

Re: [PATCH 3/6] net/wan/fsl_ucc_hdlc: Adding ARPHRD_ETHER

Le 28/08/2018 à 13:09, David Gounaris a écrit : This was done to avoid discarding ethernet packets when using HDLC_ETH protocol. Maybe use 'present' form instead of 'past form', ie 'This patch is to avoid discarding ethernet ...' Christophe Signed-off-by: David Gounaris --- drivers/

Re: [PATCH 1/6] net/wan/fsl_ucc_hdlc: allow ucc index up to 4

Le 28/08/2018 à 13:09, David Gounaris a écrit : There is a need to allow higher indexes to be able to support MPC83xx platforms. (UCC1-UCC5) As far as I can see, MPC8358 has 8 UCCs (ref https://www.nxp.com/products/processors-and-microcontrollers/power-architecture-processors/powerquicc-pro

[PATCH v3] powerpc/64s: reimplement book3s idle code in C

Reimplement Book3S idle code in C, moving POWER7/8/9 implementation speific HV idle code to the powernv platform code. Book3S assembly stubs are kept in common code and used only to save the stack frame and non-volatile GPRs before executing architected idle instructions, and restoring the stack a

[PATCH 6/6] net/wan/fsl_ucc_hdlc: tx timeout handler

Added tx timerout handler. This helps when troubleshooting. Signed-off-by: David Gounaris --- drivers/net/wan/fsl_ucc_hdlc.c | 5 + 1 file changed, 5 insertions(+) diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index e6154a6547e6..30f416bace2c 100644 --- a/driv

[PATCH 2/6] net/wan/fsl_ucc_hdlc: allow PARITY_CRC16_PR0_CCITT parity

Signed-off-by: David Gounaris --- drivers/net/wan/fsl_ucc_hdlc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index 3c0e0a1d19ba..963b3b5ae15e 100644 --- a/drivers/net/wan/fsl_ucc_hdlc.c +++ b/drivers/net/wan

[PATCH 1/6] net/wan/fsl_ucc_hdlc: allow ucc index up to 4

There is a need to allow higher indexes to be able to support MPC83xx platforms. (UCC1-UCC5) Signed-off-by: David Gounaris --- drivers/net/wan/fsl_ucc_hdlc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index

[PATCH 3/6] net/wan/fsl_ucc_hdlc: Adding ARPHRD_ETHER

This was done to avoid discarding ethernet packets when using HDLC_ETH protocol. Signed-off-by: David Gounaris --- drivers/net/wan/fsl_ucc_hdlc.c | 6 ++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index 963b3b5ae15e..54e2b214

[PATCH 4/6] net/wan/fsl_ucc_hdlc: default hmask value

Set default HMASK to 0x to use promiscuous mode in the hdlc controller. Signed-off-by: David Gounaris --- drivers/net/wan/fsl_ucc_hdlc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wan/fsl_ucc_hdlc.h b/drivers/net/wan/fsl_ucc_hdlc.h index c21134c1f180..5bc

[PATCH 5/6] net/wan/fsl_ucc_hdlc: GUMR for non tsa mode

The following bits in the GUMR is changed for non tsa mode: CDS, CTSP and CTSS are set to zero. When set, there is no tx interrupts from the controller. Signed-off-by: David Gounaris --- drivers/net/wan/fsl_ucc_hdlc.c | 7 +++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/wan/fs

[PATCH 0/6] Ethernet over hdlc

Hello! I have a 83xx platform and I am using non tsa mode in the fsl hdlc driver to enable ethernet over hdlc. These patches are the minimal changes that I needed to do in order to get it to work with our legacy products that used old FSL SDK driver. Please review. Best Regards, David Gounaris

[PATCH 3/3] mm: optimise pte dirty/accessed bit setting by demand based pte insertion

Similarly to the previous patch, this tries to optimise dirty/accessed bits in ptes to avoid access costs of hardware setting them. Signed-off-by: Nicholas Piggin --- mm/huge_memory.c | 12 +++- mm/memory.c | 8 +--- 2 files changed, 12 insertions(+), 8 deletions(-) diff --git

[PATCH 2/3] mm/cow: optimise pte dirty/accessed bits handling in fork

fork clears dirty/accessed bits from new ptes in the child. This logic has existed since mapped page reclaim was done by scanning ptes when it may have been quite important. Today with physical based pte scanning, there is less reason to clear these bits. Dirty bits are all tested and cleared toget

[PATCH 1/3] mm/cow: don't bother write protectig already write-protected huge pages

This is the THP equivalent for 1b2de5d039c8 ("mm/cow: don't bother write protecting already write-protected pages"). Explicit hugetlb pages don't get the same treatment because they don't appear to have the right accessor functions. Signed-off-by: Nicholas Piggin --- mm/huge_memory.c | 14 +

[PATCH 0/3] mm: dirty/accessed pte optimisations

Here are some patches that didn't get much comment last time. It looks like x86 might benefit too though, so that might get people interested. I improved changelogs and added some comments, but no real logic changes. I hope I didn't get the x86 numbers wrong, they're more significant than I expe

Re: [PATCH] soc: Convert to using %pOFn instead of device_node.name

On Mon, Aug 27, 2018 at 08:52:44PM -0500, Rob Herring wrote: > In preparation to remove the node name pointer from struct device_node, > convert printf users to use the %pOFn format specifier. > > Cc: Qiang Zhao > Cc: Li Yang > Cc: Andy Gross > Cc: David Brown > Cc: Heiko Stuebner > Cc: Thier

[PATCH] powerpc/64s/radix: Fix radix__flush_tlb_collapsed_pmd double flushing pmd

Signed-off-by: Nicholas Piggin --- arch/powerpc/mm/tlb-radix.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c index c867999ce722..ad1db9967220 100644 --- a/arch/powerpc/mm/tlb-radix.c +++ b/arch/powerpc/mm/tlb-radix.c @@ -1018,7 +1018,

Re: [PATCH] ASoC: Convert to using %pOFn instead of device_node.name

On Tue, Aug 28, 2018 at 4:57 AM Rob Herring wrote: > In preparation to remove the node name pointer from struct device_node, > convert printf users to use the %pOFn format specifier. > + snprintf((char *)dai->platform_name, DAI_NAME_SIZE, "%llx.%pOFn", > +(unsigned long lon

Re: [PATCH] sound: Convert to using %pOFn instead of device_node.name

On Tue, Aug 28, 2018 at 4:56 AM Rob Herring wrote: > > In preparation to remove the node name pointer from struct device_node, > convert printf users to use the %pOFn format specifier. > + if (snprintf(node_name, sizeof(node_name), "%pOFn", np) != 5) > return 0; > + i