Re: [PATCH v2] MIPS: fix incorrect mem=X@Y handling

cleaner (and probably slightly smaller) code. Marcin On Tue, Jan 23, 2018 at 3:17 PM, James Hogan <jho...@kernel.org> wrote: On Thu, Dec 21, 2017 at 10:00:59PM +0100, Mathieu Malaterre wrote: From: Marcin Nowakowski <marcin.nowakow...@mips.com> Change 73fbc1eba7ff added a f

Re: [PATCH v2] MIPS: fix incorrect mem=X@Y handling

cleaner (and probably slightly smaller) code. Marcin On Tue, Jan 23, 2018 at 3:17 PM, James Hogan wrote: On Thu, Dec 21, 2017 at 10:00:59PM +0100, Mathieu Malaterre wrote: From: Marcin Nowakowski Change 73fbc1eba7ff added a fix to ensure that the memory range between Please refer

Re: [PATCH 07/14] MIPS: memblock: Mark present sparsemem sections

Hi Serge, On 17.01.2018 23:23, Serge Semin wrote: If sparsemem is activated all sections with present pages must be accordingly marked after memblock is fully initialized. Signed-off-by: Serge Semin --- arch/mips/kernel/setup.c | 7 ++- 1 file changed, 6

Re: [PATCH 07/14] MIPS: memblock: Mark present sparsemem sections

Hi Serge, On 17.01.2018 23:23, Serge Semin wrote: If sparsemem is activated all sections with present pages must be accordingly marked after memblock is fully initialized. Signed-off-by: Serge Semin --- arch/mips/kernel/setup.c | 7 ++- 1 file changed, 6 insertions(+), 1 deletion(-)

Re: [PATCH v2 1/2] nvmem: add driver for JZ4780 efuse

Hi Mathieu, On 28.12.2017 22:29, Mathieu Malaterre wrote: --- /dev/null +++ b/drivers/nvmem/jz4780-efuse.c @@ -0,0 +1,305 @@ +/* + * JZ4780 EFUSE Memory Support driver + * + * Copyright (c) 2017 PrasannaKumar Muralidharan + * + * This program is free software; you

Re: [PATCH v2 1/2] nvmem: add driver for JZ4780 efuse

Hi Mathieu, On 28.12.2017 22:29, Mathieu Malaterre wrote: --- /dev/null +++ b/drivers/nvmem/jz4780-efuse.c @@ -0,0 +1,305 @@ +/* + * JZ4780 EFUSE Memory Support driver + * + * Copyright (c) 2017 PrasannaKumar Muralidharan + * + * This program is free software; you can redistribute it and/or

Re: [PATCH 1/2] nvmem: add driver for JZ4780 efuse

Hi Mathieu, On 28.12.2017 08:26, Mathieu Malaterre wrote: Hi Marcin, On Thu, Dec 28, 2017 at 8:13 AM, Marcin Nowakowski <marcin.nowakow...@mips.com <mailto:marcin.nowakow...@mips.com>> wrote: > Hi Mathieu, PrasannaKumar, > > On 27.12.2017 13:27, Mathieu Malaterr

Re: [PATCH 1/2] nvmem: add driver for JZ4780 efuse

Hi Mathieu, On 28.12.2017 08:26, Mathieu Malaterre wrote: Hi Marcin, On Thu, Dec 28, 2017 at 8:13 AM, Marcin Nowakowski mailto:marcin.nowakow...@mips.com>> wrote: > Hi Mathieu, PrasannaKumar, > > On 27.12.2017 13:27, Mathieu Malaterre wrote: >> >> From:

Re: [PATCH 1/2] nvmem: add driver for JZ4780 efuse

Hi Mathieu, PrasannaKumar, On 27.12.2017 13:27, Mathieu Malaterre wrote: From: PrasannaKumar Muralidharan This patch brings support for the JZ4780 efuse. Currently it only expose a read only access to the entire 8K bits efuse memory. Tested-by: Mathieu Malaterre

Re: [PATCH 1/2] nvmem: add driver for JZ4780 efuse

Hi Mathieu, PrasannaKumar, On 27.12.2017 13:27, Mathieu Malaterre wrote: From: PrasannaKumar Muralidharan This patch brings support for the JZ4780 efuse. Currently it only expose a read only access to the entire 8K bits efuse memory. Tested-by: Mathieu Malaterre Signed-off-by: PrasannaKumar

Re: [RFC] MIPS memblock: Remove bootmem code and switch to NO_BOOTMEM

Hi Serge, On 19.12.2017 21:14, Serge Semin wrote: Hello folks, Almost a year ago I sent a patchset to the Linux MIPS community. The main target of the patchset was to get rid from the old bootmem allocator usage at the MIPS architecture. Additionally I had a problem with CMA usage on my MIPS

Re: [RFC] MIPS memblock: Remove bootmem code and switch to NO_BOOTMEM

Hi Serge, On 19.12.2017 21:14, Serge Semin wrote: Hello folks, Almost a year ago I sent a patchset to the Linux MIPS community. The main target of the patchset was to get rid from the old bootmem allocator usage at the MIPS architecture. Additionally I had a problem with CMA usage on my MIPS

Re: Fwd: stable-rc/linux-4.4.y build: 182 builds: 60 failed, 122 passed, 60 errors, 60 warnings (v4.4.99-60-g803704b287d8)

Hi Arnd, Greg, On 19.11.2017 21:55, Arnd Bergmann wrote: [Adding the others to cc] -- Forwarded message -- From: Arnd Bergmann Date: Sun, Nov 19, 2017 at 9:53 PM Subject: Re: stable-rc/linux-4.4.y build: 182 builds: 60 failed, 122 passed, 60 errors, 60 warnings

Re: Fwd: stable-rc/linux-4.4.y build: 182 builds: 60 failed, 122 passed, 60 errors, 60 warnings (v4.4.99-60-g803704b287d8)

Hi Arnd, Greg, On 19.11.2017 21:55, Arnd Bergmann wrote: [Adding the others to cc] -- Forwarded message -- From: Arnd Bergmann Date: Sun, Nov 19, 2017 at 9:53 PM Subject: Re: stable-rc/linux-4.4.y build: 182 builds: 60 failed, 122 passed, 60 errors, 60 warnings

Re: [PATCH for 4.9 11/59] MIPS: fix mem=X@Y commandline processing

Levin) <alexander.le...@verizon.com> wrote: From: Marcin Nowakowski <marcin.nowakow...@imgtec.com> [ Upstream commit 73fbc1eba7ffa3bf0ad12486232a8a1edb4e4411 ] When a memory offset is specified through the commandline, add the memory in range PHYS_OFFSET:Y as reserved memory area. Otherwise the

Re: [PATCH for 4.9 11/59] MIPS: fix mem=X@Y commandline processing

Hi, On 14.09.2017 21:17, Mathieu Malaterre wrote: On Thu, Sep 14, 2017 at 9:11 PM, Levin, Alexander (Sasha Levin) wrote: On Thu, Sep 14, 2017 at 08:59:05PM +0200, Mathieu Malaterre wrote: On Thu, Sep 14, 2017 at 5:51 PM, Levin, Alexander (Sasha Levin) wrote: From: Marcin Nowakowski

Re: [PATCH] mips: Fix using smp_processor_id() when preemptible

Hi Corey, This has already been fixed here: https://git.linux-mips.org/cgit/ralf/upstream-sfr.git/commit/?id=21da5332327b6d183bd93336ecf29c70bc609b7b https://git.linux-mips.org/cgit/ralf/upstream-sfr.git/commit/?id=735302665c353d6756e7fa2a2cf41b039299f732 Marcin On 09.08.2017 23:25,

Re: [PATCH] mips: Fix using smp_processor_id() when preemptible

Hi Corey, This has already been fixed here: https://git.linux-mips.org/cgit/ralf/upstream-sfr.git/commit/?id=21da5332327b6d183bd93336ecf29c70bc609b7b https://git.linux-mips.org/cgit/ralf/upstream-sfr.git/commit/?id=735302665c353d6756e7fa2a2cf41b039299f732 Marcin On 09.08.2017 23:25,

Re: [PATCH] MIPS: perf: fix build failure

Hi Sudip, This patch fixes the build error, but leaves the I6500 handling incorrect. I had explained to Ralf how the build should be fixed a while ago so hopefully he will fix it up in his -next branch (dd71e57bacb5 should have been applied on top of f7a31b5e7874, but in Ralf's tree

Re: [PATCH] MIPS: perf: fix build failure

Hi Sudip, This patch fixes the build error, but leaves the I6500 handling incorrect. I had explained to Ralf how the build should be fixed a while ago so hopefully he will fix it up in his -next branch (dd71e57bacb5 should have been applied on top of f7a31b5e7874, but in Ralf's tree

[PATCH 0/3] kselftest build errors

This patch series fixes build errors observed when building net, memfd, gpio and intel_pstate tests Marcin Nowakowski (3): selftests/{net,memfd}: fix undefined references to external libraries selftests/gpio: fix build error selftests/intel_pstate: fix undefined reference when building

[PATCH 0/3] kselftest build errors

This patch series fixes build errors observed when building net, memfd, gpio and intel_pstate tests Marcin Nowakowski (3): selftests/{net,memfd}: fix undefined references to external libraries selftests/gpio: fix build error selftests/intel_pstate: fix undefined reference when building

[PATCH 2/3] selftests/gpio: fix build error

from selftests build and this is left as a future task to resolve properly. Fixes: a8ba798bc8ec ('selftests: enable O and KBUILD_OUTPUT') Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com> --- tools/testing/selftests/gpio/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 de

[PATCH 3/3] selftests/intel_pstate: fix undefined reference when building

Currently the build fails with: /tmp/ccmgtz8N.o: In function `main': aperf.c:(.text+0x278): undefined reference to `sqrt' collect2: error: ld returned 1 exit status Replace LDFLAGS with LDLIBS to ensure proper ordering of arguments in build rules. Signed-off-by: Marcin Nowakowski

[PATCH 1/3] selftests/{net,memfd}: fix undefined references to external libraries

('selftests: enable O and KBUILD_OUTPUT') Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com> --- tools/testing/selftests/memfd/Makefile | 4 ++-- tools/testing/selftests/net/Makefile | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/sel

[PATCH 3/3] selftests/intel_pstate: fix undefined reference when building

Currently the build fails with: /tmp/ccmgtz8N.o: In function `main': aperf.c:(.text+0x278): undefined reference to `sqrt' collect2: error: ld returned 1 exit status Replace LDFLAGS with LDLIBS to ensure proper ordering of arguments in build rules. Signed-off-by: Marcin Nowakowski --- tools

[PATCH 1/3] selftests/{net,memfd}: fix undefined references to external libraries

('selftests: enable O and KBUILD_OUTPUT') Signed-off-by: Marcin Nowakowski --- tools/testing/selftests/memfd/Makefile | 4 ++-- tools/testing/selftests/net/Makefile | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/memfd/Makefile b/tools/testing

[PATCH 2/3] selftests/gpio: fix build error

from selftests build and this is left as a future task to resolve properly. Fixes: a8ba798bc8ec ('selftests: enable O and KBUILD_OUTPUT') Signed-off-by: Marcin Nowakowski --- tools/testing/selftests/gpio/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing

Re: [PATCH v2 15/17] MIPS: JZ4770: Workaround for corrupted DMA transfers

Hi Paul, Maarten, On 20.06.2017 17:18, Paul Cercueil wrote: From: Maarten ter Huurne We have seen MMC DMA transfers read corrupted data from SDRAM when a burst interval ends at physical address 0x1000. To avoid this problem, we remove the final page of low memory

Re: [PATCH v2 15/17] MIPS: JZ4770: Workaround for corrupted DMA transfers

Hi Paul, Maarten, On 20.06.2017 17:18, Paul Cercueil wrote: From: Maarten ter Huurne We have seen MMC DMA transfers read corrupted data from SDRAM when a burst interval ends at physical address 0x1000. To avoid this problem, we remove the final page of low memory from the memory map.

[PATCH] kernel/extable.c: mark core_kernel_text notrace

10/0x1b8 [3.041915] [<804e589c>] ftrace_ops_no_ops+0x114/0x1bc [3.047923] [<8045478c>] core_kernel_text+0x10/0x1b8 [3.053682] [<804119b8>] prepare_ftrace_return+0x6c/0x114 [3.059938] [<80411b2c>] ftrace_graph_caller+0x20/0x44 (...) Mark the function notrace to avoid it

[PATCH] kernel/extable.c: mark core_kernel_text notrace

10/0x1b8 [3.041915] [<804e589c>] ftrace_ops_no_ops+0x114/0x1bc [3.047923] [<8045478c>] core_kernel_text+0x10/0x1b8 [3.053682] [<804119b8>] prepare_ftrace_return+0x6c/0x114 [3.059938] [<80411b2c>] ftrace_graph_caller+0x20/0x44 (...) Mark the function notrace to avoi

[tip:irq/urgent] irqchip/mips-gic: Mark count and compare accessors notrace

Commit-ID: 9f93d87cba63e3d18629261243b1f633519eabb5 Gitweb: http://git.kernel.org/tip/9f93d87cba63e3d18629261243b1f633519eabb5 Author: Marcin Nowakowski <marcin.nowakow...@imgtec.com> AuthorDate: Fri, 9 Jun 2017 09:04:05 +0200 Committer: Thomas Gleixner <t...@linutronix.de>

[tip:irq/urgent] irqchip/mips-gic: Mark count and compare accessors notrace

Commit-ID: 9f93d87cba63e3d18629261243b1f633519eabb5 Gitweb: http://git.kernel.org/tip/9f93d87cba63e3d18629261243b1f633519eabb5 Author: Marcin Nowakowski AuthorDate: Fri, 9 Jun 2017 09:04:05 +0200 Committer: Thomas Gleixner CommitDate: Tue, 20 Jun 2017 21:41:58 +0200 irqchip/mips-gic

[tip:sched/urgent] sched/fair: Fix typo in printk message

Commit-ID: f67abed585efe251edda52dc9690020d6441890f Gitweb: http://git.kernel.org/tip/f67abed585efe251edda52dc9690020d6441890f Author: Marcin Nowakowski <marcin.nowakow...@imgtec.com> AuthorDate: Fri, 9 Jun 2017 10:00:29 +0200 Committer: Ingo Molnar <mi...@kernel.org> CommitD

[tip:sched/urgent] sched/fair: Fix typo in printk message

Commit-ID: f67abed585efe251edda52dc9690020d6441890f Gitweb: http://git.kernel.org/tip/f67abed585efe251edda52dc9690020d6441890f Author: Marcin Nowakowski AuthorDate: Fri, 9 Jun 2017 10:00:29 +0200 Committer: Ingo Molnar CommitDate: Sun, 11 Jun 2017 10:00:33 +0200 sched/fair: Fix typo

[PATCH] sched/fair: fix typo in printk message

'schedstats' kernel parameter should be set to enable/disable, so correct the printk hint saying that it should be set to 'enable' rather than 'enabled' to enable scheduler tracepoints. Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com> --- kernel/sched/fair.c | 2 +- 1 file c

[PATCH] sched/fair: fix typo in printk message

'schedstats' kernel parameter should be set to enable/disable, so correct the printk hint saying that it should be set to 'enable' rather than 'enabled' to enable scheduler tracepoints. Signed-off-by: Marcin Nowakowski --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion

[PATCH v2] irqchip/mips-gic: mark count and compare accessors notrace

be longer than the update timeout leading to update failure. Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com> --- v2: move notrace attribute after return type --- drivers/irqchip/irq-mips-gic.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/i

[PATCH v2] irqchip/mips-gic: mark count and compare accessors notrace

be longer than the update timeout leading to update failure. Signed-off-by: Marcin Nowakowski --- v2: move notrace attribute after return type --- drivers/irqchip/irq-mips-gic.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers

Re: [PATCH] irqchip/mips-gic: mark count and compare accessors notrace

Hi Marc, On 08.06.2017 15:26, Marc Zyngier wrote: On Thu, Jun 08 2017 at 3:06:23 pm BST, Marcin Nowakowski <marcin.nowakow...@imgtec.com> wrote: gic_read_count(), gic_write_compare() and gic_write_cpu_compare() are often used in a sequence to update the compare register with a count

Re: [PATCH] irqchip/mips-gic: mark count and compare accessors notrace

Hi Marc, On 08.06.2017 15:26, Marc Zyngier wrote: On Thu, Jun 08 2017 at 3:06:23 pm BST, Marcin Nowakowski wrote: gic_read_count(), gic_write_compare() and gic_write_cpu_compare() are often used in a sequence to update the compare register with a count value increased by a small offset

[PATCH] irqchip/mips-gic: mark count and compare accessors notrace

be longer than the update timeout leading to update failure. Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com> --- drivers/irqchip/irq-mips-gic.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips

[PATCH] irqchip/mips-gic: mark count and compare accessors notrace

be longer than the update timeout leading to update failure. Signed-off-by: Marcin Nowakowski --- drivers/irqchip/irq-mips-gic.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index eb7fbe1..ecee073 100644

Re: [PATCH 06/15] serial: 8250_ingenic: Parse earlycon options

Hi Paul, On 07.06.2017 22:04, Paul Cercueil wrote: In the devicetree, it is possible to specify the baudrate, parity, bits, flow of the early console, by passing a configuration string like this: aliases { serial0 = }; chosen { stdout-path = "serial0:57600n8"; }; This, for

Re: [PATCH 06/15] serial: 8250_ingenic: Parse earlycon options

Hi Paul, On 07.06.2017 22:04, Paul Cercueil wrote: In the devicetree, it is possible to specify the baudrate, parity, bits, flow of the early console, by passing a configuration string like this: aliases { serial0 = }; chosen { stdout-path = "serial0:57600n8"; }; This, for

Re: [PATCH 00/21] MIPS memblock: Remove bootmem code and switch to NO_BOOTMEM

Hi Serge, On 22.05.2017 12:26, Serge Semin wrote: Regarding the patchset. I'm still pretty much eager to make it being part of kernel MIPS arch. But there was a problem I outlined in the patchset header message, which I can't fix by myself. Particulary It's connected with Loonson3 or SGI IP27

Re: [PATCH 00/21] MIPS memblock: Remove bootmem code and switch to NO_BOOTMEM

Hi Serge, On 22.05.2017 12:26, Serge Semin wrote: Regarding the patchset. I'm still pretty much eager to make it being part of kernel MIPS arch. But there was a problem I outlined in the patchset header message, which I can't fix by myself. Particulary It's connected with Loonson3 or SGI IP27

Re: [PATCH 00/21] MIPS memblock: Remove bootmem code and switch to NO_BOOTMEM

Hi Serge, On 19.12.2016 03:07, Serge Semin wrote: Most of the modern platforms supported by linux kernel have already been cleaned up of old bootmem allocator by moving to nobootmem interface wrapping up the memblock. This patchset is the first attempt to do the similar improvement for MIPS for

Re: [PATCH 00/21] MIPS memblock: Remove bootmem code and switch to NO_BOOTMEM

Hi Serge, On 19.12.2016 03:07, Serge Semin wrote: Most of the modern platforms supported by linux kernel have already been cleaned up of old bootmem allocator by moving to nobootmem interface wrapping up the memblock. This patchset is the first attempt to do the similar improvement for MIPS for

Re: [PATCH 1/2] pwm: loongson1: Add PWM driver for Loongson1 SoC

Hi Yang, On 15.02.2017 14:09, Yang Ling wrote: + tmp = (unsigned long long)clk_get_rate(pc->clk) * period_ns; + do_div(tmp, 10); NSEC_PER_SEC ? + period = tmp; + + tmp = (unsigned long long)period * duty_ns; + do_div(tmp, period_ns); + duty =

Re: [PATCH 1/2] pwm: loongson1: Add PWM driver for Loongson1 SoC

Hi Yang, On 15.02.2017 14:09, Yang Ling wrote: + tmp = (unsigned long long)clk_get_rate(pc->clk) * period_ns; + do_div(tmp, 10); NSEC_PER_SEC ? + period = tmp; + + tmp = (unsigned long long)period * duty_ns; + do_div(tmp, period_ns); + duty =

Re: [PATCH] tools/lib/api: allow the linker to be overridden

Hi Arnaldo, On 15.02.2017 16:18, Arnaldo Carvalho de Melo wrote: Em Wed, Feb 15, 2017 at 03:56:30PM +0100, Marcin Nowakowski escreveu: Makefile in lib/api unconditionally sets the LD to support cross-compilation. However, when invoked from within the perf build LD may be already appropriately

Re: [PATCH] tools/lib/api: allow the linker to be overridden

Hi Arnaldo, On 15.02.2017 16:18, Arnaldo Carvalho de Melo wrote: Em Wed, Feb 15, 2017 at 03:56:30PM +0100, Marcin Nowakowski escreveu: Makefile in lib/api unconditionally sets the LD to support cross-compilation. However, when invoked from within the perf build LD may be already appropriately

[PATCH] tools/lib/api: allow the linker to be overridden

override to a conditional one. Fixes: 37b4e2020a5f ('perf build: Add EXTRA_LDFLAGS option to makefile') Fixes: 703e01652d25 ('tools lib api: Respect CROSS_COMPILE for the linker') Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com> --- tools/lib/api/Makefile | 2 +- 1 file chan

[PATCH] tools/lib/api: allow the linker to be overridden

override to a conditional one. Fixes: 37b4e2020a5f ('perf build: Add EXTRA_LDFLAGS option to makefile') Fixes: 703e01652d25 ('tools lib api: Respect CROSS_COMPILE for the linker') Signed-off-by: Marcin Nowakowski --- tools/lib/api/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff

Re: [PATCH 1/2] pwm: loongson1: Add PWM driver for Loongson1 SoC

Hi Yang, On 13.02.2017 16:28, Yang Ling wrote: Add support for the PWM controller present in Loongson1 family of SoCs. Signed-off-by: Yang Ling --- drivers/pwm/Kconfig | 9 +++ drivers/pwm/Makefile| 1 + drivers/pwm/pwm-loongson1.c | 169

Re: [PATCH 1/2] pwm: loongson1: Add PWM driver for Loongson1 SoC

Hi Yang, On 13.02.2017 16:28, Yang Ling wrote: Add support for the PWM controller present in Loongson1 family of SoCs. Signed-off-by: Yang Ling --- drivers/pwm/Kconfig | 9 +++ drivers/pwm/Makefile| 1 + drivers/pwm/pwm-loongson1.c | 169

[PATCH RESEND] Kbuild: add cpp_its_S in ksym_dep_filter

Add a new command cpp_its_S introduced in: cf2a5e0bb4c6 ("MIPS: Support generating Flattened Image Trees (.itb)") to ksym_dep_filter handler - otherwise a warning is produced during the build of MIPS platforms (when vmlinux.*.itb target is chosen) Signed-off-by: Marcin Nowakowski <m

[PATCH RESEND] Kbuild: add cpp_its_S in ksym_dep_filter

Add a new command cpp_its_S introduced in: cf2a5e0bb4c6 ("MIPS: Support generating Flattened Image Trees (.itb)") to ksym_dep_filter handler - otherwise a warning is produced during the build of MIPS platforms (when vmlinux.*.itb target is chosen) Signed-off-by: Marcin Nowakowski --

[PATCH] Kbuild: add cpp_its_S in ksym_dep_filter

Add a new command cpp_its_S introduced in: cf2a5e0bb4c6 ("MIPS: Support generating Flattened Image Trees (.itb)") to ksym_dep_filter handler - otherwise a warning is produced during the build of MIPS platforms (when vmlinux.*.itb target is chosen) Signed-off-by: Marcin Nowakowski <m

[PATCH] Kbuild: add cpp_its_S in ksym_dep_filter

Add a new command cpp_its_S introduced in: cf2a5e0bb4c6 ("MIPS: Support generating Flattened Image Trees (.itb)") to ksym_dep_filter handler - otherwise a warning is produced during the build of MIPS platforms (when vmlinux.*.itb target is chosen) Signed-off-by: Marcin Nowakowski --

[PATCH 1/1] irqchip/mips-gic: Fix local interrupts

attempting to use perf tool to access hardware performance counters. Fix this by explicitly calling irq_create_fwspec_mapping() for local interrupts. Fixes: e875bd66dfb ("irqchip/mips-gic: Fix local interrupts") Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com>

[PATCH 1/1] irqchip/mips-gic: Fix local interrupts

attempting to use perf tool to access hardware performance counters. Fix this by explicitly calling irq_create_fwspec_mapping() for local interrupts. Fixes: e875bd66dfb ("irqchip/mips-gic: Fix local interrupts") Signed-off-by: Marcin Nowakowski Cc: Paul Burton Cc: Thomas Gleixner Cc: Ja

Re: [PATCH 10/21] MIPS memblock: Discard bootmem allocator initialization

Hi Serge, On 19.12.2016 03:07, Serge Semin wrote: Bootmem allocator initialization needs to be discarded. PFN limit constants are still in use by some subsystems, so they need to be properly initialized. The initialization is moved into a separate method and performed with help of commonly used

Re: [PATCH 10/21] MIPS memblock: Discard bootmem allocator initialization

Hi Serge, On 19.12.2016 03:07, Serge Semin wrote: Bootmem allocator initialization needs to be discarded. PFN limit constants are still in use by some subsystems, so they need to be properly initialized. The initialization is moved into a separate method and performed with help of commonly used

Re: [PATCH 00/21] MIPS memblock: Remove bootmem code and switch to NO_BOOTMEM

Hi Serge, Thanks for this patch series, it's really useful. I've tested it on Malta and Ci40 and it seems to work well (I've posted a few small comments separately). On 19.12.2016 03:07, Serge Semin wrote: Most of the modern platforms supported by linux kernel have already been cleaned up

Re: [PATCH 00/21] MIPS memblock: Remove bootmem code and switch to NO_BOOTMEM

Hi Serge, Thanks for this patch series, it's really useful. I've tested it on Malta and Ci40 and it seems to work well (I've posted a few small comments separately). On 19.12.2016 03:07, Serge Semin wrote: Most of the modern platforms supported by linux kernel have already been cleaned up

Re: [PATCH 04/21] MIPS memblock: Alter user-defined memory parameter parser

Hi Serge, On 19.12.2016 03:07, Serge Semin wrote: Both new memblock and boot_mem_map subsystems need to be fully cleared before a new memory region is added. So the early parser is correspondingly modified. Signed-off-by: Serge Semin --- arch/mips/kernel/setup.c | 67

Re: [PATCH 04/21] MIPS memblock: Alter user-defined memory parameter parser

Hi Serge, On 19.12.2016 03:07, Serge Semin wrote: Both new memblock and boot_mem_map subsystems need to be fully cleared before a new memory region is added. So the early parser is correspondingly modified. Signed-off-by: Serge Semin --- arch/mips/kernel/setup.c | 67

[PATCH RESEND 0/2] kbuild: dead code elimination: ftrace fixes

erly handle the section names as created by the use of -ffunction-sections. The following 2 patches fix that behaviour. They are based on next-20161208. Marcin Nowakowski (2): kbuild: keep __mcount_loc table through dead code elimination recordmcount: fix mcount recording with -ffunction-sect

[PATCH 1/2] kbuild: keep __mcount_loc table through dead code elimination

When CONFIG_LD_DEAD_CODE_DATA_ELIMINATION is enabled we must ensure __mcount_loc is preserved, as otherwise there are no valid entries for ftrace to work with. Fixes: 4b89b7f7aad5 ('kbuild: keep data tables through dead code elimination') Signed-off-by: Marcin Nowakowski <marcin.nowa

[PATCH RESEND 0/2] kbuild: dead code elimination: ftrace fixes

erly handle the section names as created by the use of -ffunction-sections. The following 2 patches fix that behaviour. They are based on next-20161208. Marcin Nowakowski (2): kbuild: keep __mcount_loc table through dead code elimination recordmcount: fix mcount recording with -ffunction-sect

[PATCH 1/2] kbuild: keep __mcount_loc table through dead code elimination

When CONFIG_LD_DEAD_CODE_DATA_ELIMINATION is enabled we must ensure __mcount_loc is preserved, as otherwise there are no valid entries for ftrace to work with. Fixes: 4b89b7f7aad5 ('kbuild: keep data tables through dead code elimination') Signed-off-by: Marcin Nowakowski Acked-by: Nicholas

[PATCH 2/2] recordmcount: fix mcount recording with -ffunction-sections

zA-Z_]*", add a similar pattern matching to recordmcount script for section detection. To simplify the basic C implementation, replace the regex with a string match on the prefix and a single character match following the '.text.' prefix. Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgt

[PATCH 2/2] recordmcount: fix mcount recording with -ffunction-sections

zA-Z_]*", add a similar pattern matching to recordmcount script for section detection. To simplify the basic C implementation, replace the regex with a string match on the prefix and a single character match following the '.text.' prefix. Signed-off-by: Marcin Nowakowski Acked-by: Nicho

Re: [PATCH RESEND 0/2] kbuild: dead code elimination: ftrace fixes

Hi Nick, On 22.12.2016 10:08, Nicholas Piggin wrote: On Thu, 22 Dec 2016 09:51:45 +0100 Marcin Nowakowski <marcin.nowakow...@imgtec.com> wrote: Enabling dead code & data elimination currently breaks ftrace operation, as the __mcount_loc section is removed (as it is not reference

Re: [PATCH RESEND 0/2] kbuild: dead code elimination: ftrace fixes

Hi Nick, On 22.12.2016 10:08, Nicholas Piggin wrote: On Thu, 22 Dec 2016 09:51:45 +0100 Marcin Nowakowski wrote: Enabling dead code & data elimination currently breaks ftrace operation, as the __mcount_loc section is removed (as it is not referenced directly anywhere in the code). More

Re: [tip:perf/urgent] uprobes: Fix uprobes on MIPS, allow for a cache flush after ixol breakpoint creation

Hi Oleg, On 20.12.2016 14:08, Oleg Nesterov wrote: On 12/19, tip-bot for Marcin Nowakowski wrote: uprobes: Fix uprobes on MIPS, allow for a cache flush after ixol breakpoint creation Commit: 72e6ae285a1d ('ARM: 8043/1: uprobes need icache flush after xol write' ... has introduced

Re: [tip:perf/urgent] uprobes: Fix uprobes on MIPS, allow for a cache flush after ixol breakpoint creation

Hi Oleg, On 20.12.2016 14:08, Oleg Nesterov wrote: On 12/19, tip-bot for Marcin Nowakowski wrote: uprobes: Fix uprobes on MIPS, allow for a cache flush after ixol breakpoint creation Commit: 72e6ae285a1d ('ARM: 8043/1: uprobes need icache flush after xol write' ... has introduced

[tip:perf/urgent] uprobes: Fix uprobes on MIPS, allow for a cache flush after ixol breakpoint creation

Commit-ID: 297e765e390a2ac996000b5f7228cbd84d995174 Gitweb: http://git.kernel.org/tip/297e765e390a2ac996000b5f7228cbd84d995174 Author: Marcin Nowakowski <marcin.nowakow...@imgtec.com> AuthorDate: Tue, 13 Dec 2016 11:40:57 +0100 Committer: Ingo Molnar <mi...@kernel.org> Com

[tip:perf/urgent] uprobes: Fix uprobes on MIPS, allow for a cache flush after ixol breakpoint creation

Commit-ID: 297e765e390a2ac996000b5f7228cbd84d995174 Gitweb: http://git.kernel.org/tip/297e765e390a2ac996000b5f7228cbd84d995174 Author: Marcin Nowakowski AuthorDate: Tue, 13 Dec 2016 11:40:57 +0100 Committer: Ingo Molnar CommitDate: Sun, 18 Dec 2016 09:42:11 +0100 uprobes: Fix uprobes

[PATCH] uprobes: allow for a cache flush after ixol breakpoint creation

is copied, caches are not flushed at all and stale data may be found in icache. Replace a simple copy_to_page() with arch_uprobe_copy_ixol() to allow the arch to ensure all caches are updated accordingly. This change fixes uprobes on MIPS InterAptiv (tested on Creator Ci40). Signed-off-by: Marcin

[PATCH] uprobes: allow for a cache flush after ixol breakpoint creation

is copied, caches are not flushed at all and stale data may be found in icache. Replace a simple copy_to_page() with arch_uprobe_copy_ixol() to allow the arch to ensure all caches are updated accordingly. This change fixes uprobes on MIPS InterAptiv (tested on Creator Ci40). Signed-off-by: Marcin

[PATCH v2 2/2] kprobes/trace: Fix kprobe selftest for newer gcc

e the test method being optimised away. Finally, add __init annotations to find_trace_probe_file() and kprobe_trace_selftest_target() as they are only called from within an __init method. Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com> --- kernel/trace/tra

[PATCH v2 2/2] kprobes/trace: Fix kprobe selftest for newer gcc

e the test method being optimised away. Finally, add __init annotations to find_trace_probe_file() and kprobe_trace_selftest_target() as they are only called from within an __init method. Signed-off-by: Marcin Nowakowski --- kernel/trace/trace_kprobe.c | 28 +++- 1 file c

[PATCH v2 1/2] tracing/kprobes: add a helper method to return number of probe hits

-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com> --- kernel/trace/trace_kprobe.c | 19 +-- 1 file changed, 13 insertions(+), 6 deletions(-) v2: improved commit message as suggested by Steven Rostedt diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index e

[PATCH v2 1/2] tracing/kprobes: add a helper method to return number of probe hits

-by: Marcin Nowakowski --- kernel/trace/trace_kprobe.c | 19 +-- 1 file changed, 13 insertions(+), 6 deletions(-) v2: improved commit message as suggested by Steven Rostedt diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index eb6c9f1..a2af1bc 100644 --- a/kernel

Re: [PATCH 1/2] tracing/kprobes: add a helper method to return number of probe hits

On 09.12.2016 15:03, Steven Rostedt wrote: On Fri, 9 Dec 2016 09:00:52 -0500 Steven Rostedt <rost...@goodmis.org> wrote: On Fri, 9 Dec 2016 13:25:51 +0100 Marcin Nowakowski <marcin.nowakow...@imgtec.com> wrote: The number of probe hits is stored in a percpu variable and the

Re: [PATCH 1/2] tracing/kprobes: add a helper method to return number of probe hits

On 09.12.2016 15:03, Steven Rostedt wrote: On Fri, 9 Dec 2016 09:00:52 -0500 Steven Rostedt wrote: On Fri, 9 Dec 2016 13:25:51 +0100 Marcin Nowakowski wrote: The number of probe hits is stored in a percpu variable and therefore can't be read directly. Add a helper method trace_kprobe_nhit

[PATCH 1/2] tracing/kprobes: add a helper method to return number of probe hits

The number of probe hits is stored in a percpu variable and therefore can't be read directly. Add a helper method trace_kprobe_nhit() that performs the required calculation. Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com> --- kernel/trace/trace_kprobe.

[PATCH 1/2] tracing/kprobes: add a helper method to return number of probe hits

The number of probe hits is stored in a percpu variable and therefore can't be read directly. Add a helper method trace_kprobe_nhit() that performs the required calculation. Signed-off-by: Marcin Nowakowski --- kernel/trace/trace_kprobe.c | 19 +-- 1 file changed, 13 insertions

[PATCH 2/2] kprobes/trace: Fix kprobe selftest for newer gcc

e the test method being optimised away. Finally, add __init annotations to find_trace_probe_file() and kprobe_trace_selftest_target() as they are only called from within an __init method. Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com> --- kernel/trace/tra

[PATCH 2/2] kprobes/trace: Fix kprobe selftest for newer gcc

e the test method being optimised away. Finally, add __init annotations to find_trace_probe_file() and kprobe_trace_selftest_target() as they are only called from within an __init method. Signed-off-by: Marcin Nowakowski --- kernel/trace/trace_kprobe.c | 28 +++- 1 file c

[PATCH] drivers/of: fix missing pr_cont()s in of_print_phandle_args

Since the KERN_CONT changes, the current debug printks have a lot of empty lines making the log messages very hard to read. Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com> --- drivers/of/base.c | 9 ++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/d

[PATCH] drivers/of: fix missing pr_cont()s in of_print_phandle_args

Since the KERN_CONT changes, the current debug printks have a lot of empty lines making the log messages very hard to read. Signed-off-by: Marcin Nowakowski --- drivers/of/base.c | 9 ++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/of/base.c b/drivers/of/base.c

[PATCH] elfcore.h: add trailing semi-colon in elf_core_copy_regs()

* macro invocations throughout this file. Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com> --- include/linux/elfcore.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h index 698d51a..be7 100644 --- a/include

[PATCH] elfcore.h: add trailing semi-colon in elf_core_copy_regs()

* macro invocations throughout this file. Signed-off-by: Marcin Nowakowski --- include/linux/elfcore.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h index 698d51a..be7 100644 --- a/include/linux/elfcore.h +++ b/include/linux

[PATCH] kbuild: protect compiled-in dtb from dead data elimination

DTBs are compiled into byte arrays that are placed inside .dtb.init.rodata section. As they are never referenced directly from the code, they get removed during dead data elimination and we end up with __dtb_start == __dtb_end. Signed-off-by: Marcin Nowakowski <marcin.nowakow...@imgtec.com>

[PATCH] kbuild: protect compiled-in dtb from dead data elimination

DTBs are compiled into byte arrays that are placed inside .dtb.init.rodata section. As they are never referenced directly from the code, they get removed during dead data elimination and we end up with __dtb_start == __dtb_end. Signed-off-by: Marcin Nowakowski Fixes: b67067f1176d ("kbuild:

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