Dt-bingdings doc for C-SKY SMP system setting.
Changelog:
- Drop the interrupt-parent.
Signed-off-by: Guo Ren
---
.../devicetree/bindings/timer/csky,mptimer.txt | 42 ++
1 file changed, 42 insertions(+)
create mode 100644 Documentation/devicetree/bindings/timer/csky
- Dt-bindings doc about C-SKY apb bus interrupt controller.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../interrupt-controller/csky,apb-intc.txt | 62 ++
1 file changed, 62 insertions(+)
create mode 100644
Documentation/devicetree/bindings/interrupt
Dt-bindings doc about C-SKY Multi-processors interrupt controller.
Changelog:
- Should be: '#interrupt-cells' not 'interrupt-cells'
Signed-off-by: Guo Ren
---
.../bindings/interrupt-controller/csky,mpintc.txt | 40 ++
1 file changed, 40 insertions(+)
irq map, reserve soft_irq & private_irq space
- Add License and Copyright
- Support set_affinity for irq balance in SMP
Signed-off-by: Guo Ren
---
drivers/irqchip/Kconfig | 8 ++
drivers/irqchip/Makefile | 1 +
drivers/irqchip/irq-csky-mpintc.c |
Changelog:
- Add License and Copyright
- Use timer-of framework
- Change name with upstream feedback
- Use clksource_mmio framework
Signed-off-by: Guo Ren
---
drivers/clocksource/Kconfig | 8 ++
drivers/clocksource/Makefile| 1 +
drivers/clocksource/timer-gx6605s.c | 150
rq-pending
- remove CSKY_VECIRQ_LEGENCY
- change to generic irq chip framework
- add License and Copyright
- use irq_domain_add_linear instead of leagcy
Signed-off-by: Guo Ren
---
drivers/irqchip/Kconfig | 8 ++
drivers/irqchip/Makefile| 1 +
drivers/irqchip/irq-c
.
- Coding convention with upstream feed-back.
Signed-off-by: Guo Ren
---
drivers/clocksource/Kconfig| 8 ++
drivers/clocksource/Makefile | 1 +
drivers/clocksource/csky_mptimer.c | 176 +
include/linux/cpuhotplug.h | 1 +
4 files changed
On Sun, Sep 30, 2018 at 09:22:30PM +0200, Daniel Lezcano wrote:
> On 30/09/2018 18:18, Guo Ren wrote:
> > This timer is used by SMP system and use mfcr/mtcr instruction
> > to access the regs.
> >
> > Changelog:
> > - Remove #define CPUHP_
Dt-bingdings doc for C-SKY SMP system setting.
Changelog:
- Drop the interrupt-parent.
Signed-off-by: Guo Ren
---
.../devicetree/bindings/timer/csky,mptimer.txt | 42 ++
1 file changed, 42 insertions(+)
create mode 100644 Documentation/devicetree/bindings/timer/csky
rq-pending
- remove CSKY_VECIRQ_LEGENCY
- change to generic irq chip framework
- add License and Copyright
- use irq_domain_add_linear instead of leagcy
Signed-off-by: Guo Ren
---
drivers/irqchip/Kconfig | 8 ++
drivers/irqchip/Makefile| 1 +
drivers/irqchip/irq-c
irq map, reserve soft_irq & private_irq space
- Add License and Copyright
- Support set_affinity for irq balance in SMP
Signed-off-by: Guo Ren
---
drivers/irqchip/Kconfig | 8 ++
drivers/irqchip/Makefile | 1 +
drivers/irqchip/irq-csky-mpintc.c |
- Dt-bindings doc for gx6605s SOC's system timer.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../bindings/timer/csky,gx6605s-timer.txt | 42 ++
1 file changed, 42 insertions(+)
create mode 100644
Documentation/devicetree/bindings/timer/csky,gx
Dt-bindings doc about C-SKY Multi-processors interrupt controller.
Changelog:
- Should be: '#interrupt-cells' not 'interrupt-cells'
Signed-off-by: Guo Ren
---
.../bindings/interrupt-controller/csky,mpintc.txt | 40 ++
1 file changed, 40 insertions(+)
- Dt-bindings doc about C-SKY apb bus interrupt controller.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../interrupt-controller/csky,apb-intc.txt | 62 ++
1 file changed, 62 insertions(+)
create mode 100644
Documentation/devicetree/bindings/interrupt
oo big now.
Any feedback is welcome, thx for all people review my patchset.
Best Regards
Guo Ren (8):
irqchip: add C-SKY SMP interrupt controller
dt-bindings: interrupt-controller: C-SKY SMP intc
clocksource: add C-SKY SMP timer
dt-bindings: timer: C-SKY Multi-processor timer
dt-bindi
.
- Coding convention with upstream feed-back.
Signed-off-by: Guo Ren
---
drivers/clocksource/Kconfig| 8 ++
drivers/clocksource/Makefile | 1 +
drivers/clocksource/csky_mptimer.c | 176 +
include/linux/cpuhotplug.h | 1 +
4 files changed
Changelog:
- Add COMIPLE_TEST in Kconfig
- no cast is needed for "struct clock_event_device *ce = dev"
- remove: extra space after (u64)
- Add License and Copyright
- Use timer-of framework
- Change name with upstream feedback
- Use clksource_mmio framework
Signed-off-b
On Mon, Oct 01, 2018 at 11:14:14AM +0200, Daniel Lezcano wrote:
> On 01/10/2018 03:35, Guo Ren wrote:
> > This timer is used by SMP system and use mfcr/mtcr instruction
> > to access the regs.
> >
> > Changelog:
> > - Remove #define CPUHP_
invalidate
Signed-off-by: Guo Ren
---
arch/csky/mm/dma-mapping.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/csky/mm/dma-mapping.c b/arch/csky/mm/dma-mapping.c
index 16c2087..30a2041 100644
--- a/arch/csky/mm/dma-mapping.c
+++ b/arch/csky/mm/dma-mapping.c
@@ -217,7
- Dt-bindings doc about C-SKY Multi-processors interrupt controller.
Signed-off-by: Guo Ren
---
.../bindings/interrupt-controller/csky,mpintc.txt | 40 ++
1 file changed, 40 insertions(+)
create mode 100644
Documentation/devicetree/bindings/interrupt-controller/csky
- Dt-bingdings doc for C-SKY SMP system setting.
Signed-off-by: Guo Ren
---
.../devicetree/bindings/timer/csky,mptimer.txt | 46 ++
1 file changed, 46 insertions(+)
create mode 100644 Documentation/devicetree/bindings/timer/csky,mptimer.txt
diff --git a/Documentation
- Add irq_mapping return check
- Move IPI_IRQ into irq-driver
- remove irq_mapping from smp.c to irq-driver
- Add set_ipi_irq_mapping api to irq-driver
- update asm/smp.h
Signed-off-by: Guo Ren
---
arch/csky/include/asm/smp.h | 4 +++-
arch/csky/kernel/smp.c | 27
irq map, reserve soft_irq & private_irq space
- Add License and Copyright
- Support set_affinity for irq balance in SMP
Signed-off-by: Guo Ren
---
drivers/irqchip/Kconfig | 8 ++
drivers/irqchip/Makefile | 1 +
drivers/irqchip/irq-csky-mpintc.c |
- Add irq-csky-mpintc.c patch in this patchset
- Add mptimer.c patch in this patchset
- Fixup dma_sync_for_cpu/device in dma-mapping.c
Guo Ren (6):
csky/dma: bugfix dma_sync_for_cpu/device
csky: remove irq_mapping from smp.c
irqchip: add C-SKY SMP interrupt controller
dt-bindings: interrupt-co
-off-by: Guo Ren
---
drivers/clocksource/Kconfig| 8 ++
drivers/clocksource/Makefile | 1 +
drivers/clocksource/csky_mptimer.c | 178 +
include/linux/cpuhotplug.h | 1 +
4 files changed, 188 insertions(+)
create mode 100644 drivers
ot;%s IRQ request failed\n", __func__);
>
> To be honest, I'd tend to question the need for this level of
> abstraction, unless you actually plan for multiple SMP-capable
> interrupt controllers... But at the end of the day, that's your call,
> and the above code looks mostly correct.
Thx for the review. I will consider your suggestion.
Best Regards
GUo Ren
On Thu, Sep 20, 2018 at 01:39:31PM +0800, Guo Ren wrote:
> +struct clocksource csky_clocksource = {
> + .name = "csky",
> + .rating = 400,
> + .mask = CLOCKSOURCE_MASK(32),
> + .flags = CLOCK_SOURCE_IS_CONTINUOUS,
> + .read = clksr
- Dt-bindings documentation
- timer-gx6605s driver
Guo Ren (2):
clocksource: add gx6605s SOC system timer
dt-bindings: timer: gx6605s SOC timer
.../bindings/timer/csky,gx6605s-timer.txt | 42 ++
drivers/clocksource/Kconfig| 8 ++
drivers/clocksource
Changelog:
- Add License and Copyright
- Use timer-of framework
- Change name with upstream feedback
- Use clksource_mmio framework
Signed-off-by: Guo Ren
---
drivers/clocksource/Kconfig | 8 ++
drivers/clocksource/Makefile| 1 +
drivers/clocksource/timer-gx6605s.c | 150
- Dt-bindings doc for gx6605s SOC's system timer.
Signed-off-by: Guo Ren
Reviewed-by: Rob Herring
---
.../bindings/timer/csky,gx6605s-timer.txt | 42 ++
1 file changed, 42 insertions(+)
create mode 100644
Documentation/devicetree/bindings/timer/csky,gx
- Dt-bindings doc about C-SKY apb bus interrupt controller.
Signed-off-by: Guo Ren
---
.../interrupt-controller/csky,apb-intc.txt | 62 ++
1 file changed, 62 insertions(+)
create mode 100644
Documentation/devicetree/bindings/interrupt-controller/csky,apb-intc.txt
rq-pending
- remove CSKY_VECIRQ_LEGENCY
- change to generic irq chip framework
- add License and Copyright
- use irq_domain_add_linear instead of leagcy
Signed-off-by: Guo Ren
---
drivers/irqchip/Kconfig | 8 ++
drivers/irqchip/Makefile| 1 +
drivers/irqchip/irq-c
- Dt-bindings documentation
- irq-csky-apb-intc driver
Guo Ren (2):
irqchip: add C-SKY APB bus interrupt controller
dt-bindings: interrupt-controller: C-SKY APB intc
.../interrupt-controller/csky,apb-intc.txt | 62 +
drivers/irqchip/Kconfig| 8
Add a maintainer information for the csky(C-SKY) architecture.
Signed-off-by: Guo Ren
---
MAINTAINERS | 16
1 file changed, 16 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index d870cb5..6b7c1be 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3211,6 +3211,22 @@ T
On Thu, Sep 20, 2018 at 12:17:43PM +0200, Greg KH wrote:
> On Thu, Sep 20, 2018 at 06:14:07PM +0800, Guo Ren wrote:
> > Add a maintainer information for the csky(C-SKY) architecture.
> >
> > Signed-off-by: Guo Ren
> > ---
> > MAINTAINERS | 16
&
On Thu, Sep 20, 2018 at 06:06:19PM +0200, Daniel Lezcano wrote:
> On 20/09/2018 10:03, Guo Ren wrote:
> > Changelog:
> > - Add License and Copyright
> > - Use timer-of framework
> > - Change name with upstream feedback
> > - Use clksource_mmio framewor
On Fri, Sep 21, 2018 at 01:57:27AM +0200, Daniel Lezcano wrote:
> On 21/09/2018 01:31, Guo Ren wrote:
> > On Thu, Sep 20, 2018 at 06:06:19PM +0200, Daniel Lezcano wrote:
> >> On 20/09/2018 10:03, Guo Ren wrote:
> >>> Changelog:
> >>> - Add License and
; >> On Wed, Sep 12, 2018 at 3:25 PM Guo Ren wrote:
> > I don't want to hijack this thread, but in RISC-V land we were hoping to
> > have a
> > user ABI free of 32-bit time_t. Our 32-bit glibc ABI hasn't been finalized
> > yet, and when I talked to the glibc
On Fri, Sep 07, 2018 at 10:13:13AM -0500, Rob Herring wrote:
> On Thu, Sep 6, 2018 at 8:05 AM Arnd Bergmann wrote:
> >
> > On Thu, Sep 6, 2018 at 4:13 AM Guo Ren wrote:
> > >
> > > On Wed, Sep 05, 2018 at 07:43:10PM -0500, Rob Herring wrote:
> > > >
On Fri, Sep 07, 2018 at 04:13:35PM +0200, Arnd Bergmann wrote:
> On Fri, Sep 7, 2018 at 2:55 PM Guo Ren wrote:
> >
> > On Fri, Sep 07, 2018 at 10:14:38AM +0200, Arnd Bergmann wrote:
> > > On Fri, Sep 7, 2018 at 5:04 AM Guo Ren wrote:
> > > > On Thu, Se
On Thu, Sep 06, 2018 at 03:39:01PM +0200, Thomas Gleixner wrote:
> On Wed, 5 Sep 2018, Guo Ren wrote:
>
> > +static void (*handle_arch_irq)(struct pt_regs *regs) = NULL;
> > +
> > +void __init set_handle_irq(void (*handle_irq)(struct pt_regs *))
> >
Signed-off-by: Guo Ren
---
arch/csky/kernel/atomic.S | 55 +++
1 file changed, 55 insertions(+)
create mode 100644 arch/csky/kernel/atomic.S
diff --git a/arch/csky/kernel/atomic.S b/arch/csky/kernel/atomic.S
new file mode 100644
index 000
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/vdso.h | 19 +
arch/csky/abiv2/inc/abi/vdso.h | 18 +
arch/csky/include/asm/vdso.h | 12 ++
arch/csky/kernel/vdso.c| 89 ++
4 files changed, 138 insertions(+)
create mode
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/ckmmu.h| 140 +++
arch/csky/abiv1/inc/abi/page.h | 26 +++
arch/csky/abiv1/inc/abi/pgtable-bits.h | 36
arch/csky/abiv1/src/mmap.c | 65 +++
arch/csky/abiv2/inc/abi/ckmmu.h| 126
Signed-off-by: Guo Ren
---
drivers/irqchip/Makefile | 1 +
drivers/irqchip/irq-csky.c | 151
drivers/irqchip/irq-nationalchip.c | 196 +
3 files changed, 348 insertions(+)
create mode 100644 drivers/irqchip/irq
ream
is
on going and the source code is here:
https://github.com/c-sky
It's my first patchset to linux and any feedback is welcome :)
Guo Ren (19):
csky: Kernel booting
csky: Exception handling and syscall
csky: Cache and TLB routines
csky: MMU and page talbe management
csky: Proc
Signed-off-by: Guo Ren
---
arch/csky/include/asm/uaccess.h | 408
arch/csky/include/asm/user.h| 102 ++
2 files changed, 510 insertions(+)
create mode 100644 arch/csky/include/asm/uaccess.h
create mode 100644 arch/csky/include/asm/user.h
Signed-off-by: Guo Ren
---
arch/csky/include/uapi/asm/ptrace.h | 97 +++
arch/csky/kernel/dumpstack.c| 65 +++
arch/csky/kernel/ptrace.c | 339
3 files changed, 501 insertions(+)
create mode 100644 arch/csky/include/uapi/asm
Signed-off-by: Guo Ren
---
arch/csky/configs/gx66xx_defconfig | 549 +
arch/csky/configs/qemu_ck807_defconfig | 541
2 files changed, 1090 insertions(+)
create mode 100644 arch/csky/configs/gx66xx_defconfig
create mode 100644
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/entry.h | 171
arch/csky/abiv1/src/alignment.c | 513
arch/csky/abiv2/inc/abi/entry.h | 154 +++
arch/csky/include/asm/syscalls.h| 14 +
arch/csky/include/asm/traps.h
Signed-off-by: Guo Ren
---
arch/csky/abiv1/src/bswapdi.c| 18 ++
arch/csky/abiv1/src/bswapsi.c| 15 ++
arch/csky/abiv1/src/memcpy.S | 344 +++
arch/csky/abiv2/src/fpu.c| 312 +++
arch/csky/abiv2/src
Signed-off-by: Guo Ren
---
arch/csky/boot/dts/gx6605s.dts | 159 +
arch/csky/boot/dts/include/dt-bindings | 1 +
arch/csky/boot/dts/qemu.dts| 87 ++
3 files changed, 247 insertions(+)
create mode 100644 arch/csky/boot/dts
Signed-off-by: Guo Ren
---
arch/csky/kernel/head.S | 20 ++
arch/csky/kernel/setup.c | 157 +++
2 files changed, 177 insertions(+)
create mode 100644 arch/csky/kernel/head.S
create mode 100644 arch/csky/kernel/setup.c
diff --git a/arch/csky
Signed-off-by: Guo Ren
---
arch/csky/Kconfig | 203 ++
arch/csky/Kconfig.debug | 22 +
arch/csky/Makefile| 92 +
arch/csky/abiv1/Makefile | 8 ++
arch/csky/abiv2/Makefile | 3
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/cacheflush.h | 40 +++
arch/csky/abiv1/src/cacheflush.c | 32 ++
arch/csky/abiv2/inc/abi/cacheflush.h | 9 ++
arch/csky/include/asm/barrier.h | 14 +++
arch/csky/include/asm/cache.h | 32 ++
arch/csky
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/reg_ops.h | 79 +
arch/csky/abiv1/inc/abi/regdef.h | 27 +++
arch/csky/abiv2/inc/abi/fpu.h | 296 +
arch/csky/abiv2/inc/abi/reg_ops.h | 86 ++
arch/csky/abiv2/inc/abi
Signed-off-by: Guo Ren
---
drivers/clocksource/Makefile | 1 +
drivers/clocksource/timer-nationalchip.c | 149 +++
2 files changed, 150 insertions(+)
create mode 100644 drivers/clocksource/timer-nationalchip.c
diff --git a/drivers/clocksource/Makefile
Signed-off-by: Guo Ren
---
arch/csky/include/asm/irq.h | 12 +
arch/csky/include/asm/irqflags.h | 55
arch/csky/kernel/irq.c | 41 ++
3 files changed, 108 insertions(+)
create mode 100644 arch/csky
Signed-off-by: Guo Ren
---
arch/csky/include/asm/mmu_context.h | 140 ++
arch/csky/include/asm/processor.h | 140 ++
arch/csky/include/asm/thread_info.h | 77 +++
arch/csky/kernel/process.c | 147
Signed-off-by: Guo Ren
---
arch/csky/include/asm/elf.h | 151
arch/csky/kernel/module.c | 130 ++
2 files changed, 281 insertions(+)
create mode 100644 arch/csky/include/asm/elf.h
create mode 100644 arch/csky
Signed-off-by: Guo Ren
---
arch/csky/include/uapi/asm/sigcontext.h | 33 +++
arch/csky/include/uapi/asm/signal.h | 164 ++
arch/csky/kernel/signal.c | 379
3 files changed, 576 insertions(+)
create mode 100644 arch/csky/include
lementing THREAD_INFO_IN_TASK_STRUCT.
>
Em... I'll think about it.
> For consistency, and in case you change your stack size in future, this should
> be THREADSIZE_MASK_BIT.
>
OK
> > +if (unlikely(address >= VMALLOC_START && address <= VMALLOC_END))
> > +goto vmalloc_fault;
>
> You might want to check if this was a user mode fault here, so that users
> can't trigger vmalloc faults.
Is it necessary to check user mode? If a user-process touch a
kernel-addr, it will cause a supervisor exception.
Best Regards
Guo Ren
gt;
OK
> > + /* register */
> > + clockevents_config_and_register(&nc_ced, freq, 1, ULONG_MAX);
> > +
> > + nc_csd_enable();
> > + clocksource_mmio_init(NC_VA_COUNTER_2_VALUE, "nationalchip-clksource",
> > freq, 200, 32, clocksource_mmio_readl_up);
>
> s/nationalchip-clksource/nationalchip/
>
> line wrap
>
OK
> > + sched_clock_register(nc_sched_clock_read, 32, freq);
> > +
> > + return 0;
> > +}
> > +CLOCKSOURCE_OF_DECLARE(nc_timer, "nationalchip,timer-v1", nc_timer_init);
>
> s/CLOCKSOURCE_OF_DECLARE/TIMER_OF_DECLARE/
>
OK
Best Regards
Guo Ren
CKSOURCE_OF_DECLARE(nc_timer, "nationalchip,timer-v1", nc_timer_init);
>
> This needs a devicetree binding document. Please see
> Documentation/devicetree/bindings/submitting-patches.txt.
>
OK
Best Regards
Guo Ren
On Mon, Mar 19, 2018 at 04:26:00AM +, Mark Rutland wrote:
> On Mon, Mar 19, 2018 at 03:51:41AM +0800, Guo Ren wrote:
> > +static unsigned int intc_reg;
>
> This should be a void __iomem *ptr;
>
OK
> > +#define CK_VA_INTC_ICR (void *)(intc_reg + 0x00)
Thx Joe,
On Sun, Mar 18, 2018 at 01:25:57PM -0700, Joe Perches wrote:
> On Mon, 2018-03-19 at 03:51 +0800, Guo Ren wrote:
> > This patchset adds architecture support to Linux for C-SKY's 32-bit embedded
> > CPU cores and the patches are based on linux-4.16-rc5.
> >
>
next and check the unistd.h again.
Best Regards
Guo Ren
No single step!
So I insert a "ebreak" instruction behind the target single-step
instruction to simulate the same mechanism.
--
Best Regards
Guo Ren
ML: https://lore.kernel.org/linux-csky/
Hi Palmer,
On Tue, Jun 30, 2020 at 7:22 AM Palmer Dabbelt wrote:
>
> On Sun, 28 Jun 2020 09:25:24 PDT (-0700), mhira...@kernel.org wrote:
> > On Sun, 28 Jun 2020 16:07:37 +
> > guo...@kernel.org wrote:
> >
> >> From: Guo Ren
> >>
> >> U
Acked-by: Guo Ren
On Wed, Jun 10, 2020 at 11:45 PM Tobias Klauser wrote:
>
> These are used nowhere in the tree (except for some architectures which
> define them for their own use) and were already removed for other
> architectures in:
>
> commit 6474924e2b5d ("ar
Acked-by: Guo Ren
On Thu, Jun 11, 2020 at 5:58 PM Flavio Suligoi wrote:
>
> Fix typo: "triger" --> "trigger"
>
> Signed-off-by: Flavio Suligoi
> ---
> Documentation/devicetree/bindings/gpio/mediatek,mt7621-gpio.txt | 2 +-
> .../devicetree/bindings
Hi Masami,
On Sun, Jul 12, 2020 at 9:37 PM Masami Hiramatsu wrote:
>
> On Sat, 11 Jul 2020 09:32:01 +0800
> Guo Ren wrote:
>
> > Thx Masami,
> >
> > On Fri, Jul 10, 2020 at 9:50 PM Masami Hiramatsu
> > wrote:
> > >
> > > Hi Guo,
&g
On 2020/7/14 下午4:37, Will Deacon wrote:
On Mon, Jul 13, 2020 at 04:03:33AM +, guo...@kernel.org wrote:
From: Guo Ren
TSK_STACK_CANARY only used in arm64/Makefile with
CONFIG_STACKPROTECTOR_PER_TASK wrap. So use the same policy in
asm-offset.c.
Signed-off-by: Guo Ren
Co-developed-by
On Tue, Oct 6, 2020 at 3:14 AM Atish Patra wrote:
>
> On Thu, Sep 24, 2020 at 9:19 AM Guo Ren wrote:
> >
> > How about this, revert the commit and don't free INIT_DATA_SECTION. I
> > think the solution is safe enough, but wast a little memory.
> >
> > dif
patch (signed off and such) posted for this, do you
> mind posting one? Otherwise I'll take a crack at constructing the revert
> myself.
Please have a look:
https://lore.kernel.org/linux-riscv/1602002973-92934-1-git-send-email-guo...@kernel.org/T/#u
The only revert couldn't solve the static_obj problem.
--
Best Regards
Guo Ren
ML: https://lore.kernel.org/linux-csky/
On Wed, Oct 7, 2020 at 4:39 AM Atish Patra wrote:
>
> On Tue, Oct 6, 2020 at 9:46 AM Guo Ren wrote:
> >
> > On Tue, Oct 6, 2020 at 3:14 AM Atish Patra wrote:
> > >
> > > On Thu, Sep 24, 2020 at 9:19 AM Guo Ren wrote:
> > > >
> >
On Thu, Oct 8, 2020 at 3:46 AM Atish Patra wrote:
>
> On Wed, Oct 7, 2020 at 8:09 AM wrote:
> >
> > From: Guo Ren
> >
> > v1 is commit: 6184358da0004c8fd940afda6c0a0fa4027dc911 which has
> > been reverted.
> >
> > When enable LOCKDEP, static_obj
On Thu, Oct 8, 2020 at 11:54 AM Palmer Dabbelt wrote:
>
> On Wed, 07 Oct 2020 08:08:33 PDT (-0700), guo...@kernel.org wrote:
> > From: Guo Ren
> >
> > v1 is commit: 6184358da0004c8fd940afda6c0a0fa4027dc911 which has
> > been reverted.
> >
> > When ena
Hi Tycho,
On Mon, May 25, 2020 at 10:36 PM Tycho Andersen wrote:
>
> On Mon, May 25, 2020 at 02:18:26PM +, guo...@kernel.org wrote:
> > From: Guo Ren
> >
> > Obviously, there is no need to recover a0-a7 in reject path.
> >
> > Previous modification
KBUILD_CFLAGS += -mbacktrace
endif
We'll upstream -mbacktrace to gcc 9 soon, sorry for the confusion. Thx
for your work on maintaining.
--
Best Regards
Guo Ren
ML: https://lore.kernel.org/linux-csky/
Looks more clear.
Acked-by: Guo Ren
On Fri, Aug 28, 2020 at 12:39 AM Masami Hiramatsu wrote:
>
> Signed-off-by: Masami Hiramatsu
> ---
> arch/csky/kernel/probes/kprobes.c | 78
> +
> 1 file changed, 3 insertions(+), 75 deletions(-)
>
On Sat, Aug 15, 2020 at 6:36 AM Palmer Dabbelt wrote:
>
> On Mon, 13 Jul 2020 16:39:18 PDT (-0700), guo...@kernel.org wrote:
> > From: Guo Ren
> >
> > The "Changing Execution Path" section in the Documentation/kprobes.txt
> > said:
> >
> > Si
On Sat, Aug 15, 2020 at 6:36 AM Palmer Dabbelt wrote:
>
> On Mon, 13 Jul 2020 16:39:19 PDT (-0700), guo...@kernel.org wrote:
> > From: Guo Ren
> >
> > This patch enables "kprobe & kretprobe" to work with ftrace
> > interface. It utilized soft
On Mon, Oct 19, 2020 at 4:36 PM Masami Hiramatsu wrote:
>
> On Sat, 17 Oct 2020 07:06:17 +
> guo...@kernel.org wrote:
>
> > From: Guo Ren
> >
> > It will cause warning messages:
> > echo function_graph > /sys/kernel/debug/tracing/current_tracer
&g
On Tue, Oct 20, 2020 at 2:54 AM Atish Patra wrote:
>
> On Sat, Oct 17, 2020 at 12:07 AM wrote:
> >
> > From: Guo Ren
> >
> > It will cause warning messages:
> > echo function_graph > /sys/kernel/debug/tracing/current_tracer
&g
On Wed, Oct 21, 2020 at 4:41 AM Steven Rostedt wrote:
>
> On Tue, 20 Oct 2020 19:18:01 +0800
> Guo Ren wrote:
>
> > > What platform are you testing ? We are seeing a crash while enabling
> > > any of the tracers multiple times
> > > on Qemu/HiFive Unleashed
__asm__ __volatile__ ("div %0, %0, zero" : "=r" (dummy));
With your patch, it's solved. For this patch, I'll give:
Tested by: Guo Ren
But that's not enough, we still need:
diff --git a/arch/riscv/kernel/sbi.c b/arch/riscv/kernel/sbi.c
index 226ccce..12b88
On Fri, Oct 23, 2020 at 8:31 PM Anup Patel wrote:
>
> On Fri, Oct 23, 2020 at 3:48 PM wrote:
> >
> > From: Guo Ren
> >
> > ENABLE and CONTEXT registers contain M & S status for per-hart, so
> > ref to the specification the correct definition is double to
On Fri, Oct 23, 2020 at 8:17 PM Anup Patel wrote:
>
> On Fri, Oct 23, 2020 at 3:48 PM wrote:
> >
> > From: Guo Ren
> >
> > If "echo 3 > /proc/irq/1/smp_affinity", we want irq 1 could be
> > broadcast to CPU0 & CPU1 and one of them w
Hi Anup,
On Sun, Oct 25, 2020 at 5:18 PM Anup Patel wrote:
>
> On Sat, Oct 24, 2020 at 8:40 AM Guo Ren wrote:
> >
> > On Fri, Oct 23, 2020 at 8:31 PM Anup Patel wrote:
> > >
> > > On Fri, Oct 23, 2020 at 3:48 PM wrote:
> > > >
> >
On Thu, Oct 29, 2020 at 8:23 AM Atish Patra wrote:
>
> On Wed, Oct 28, 2020 at 8:44 AM Guo Ren wrote:
> >
> > Hi Zong & Atish,
> >
> > In our 2 harts c910 chip, we found:
> >
> > echo function > /sys/kernel/debug/tracing/current_tracer
&g
On Thu, Oct 29, 2020 at 10:34 AM Zong Li wrote:
>
> On Thu, Oct 29, 2020 at 8:23 AM Atish Patra wrote:
> >
> > On Wed, Oct 28, 2020 at 8:44 AM Guo Ren wrote:
> > >
> > > Hi Zong & Atish,
> > >
> > > In our 2 harts c910 chip, we fo
On Fri, Oct 30, 2020 at 2:46 AM Atish Patra wrote:
>
> On Thu, Oct 29, 2020 at 9:06 AM Guo Ren wrote:
> >
> > On Thu, Oct 29, 2020 at 10:34 AM Zong Li wrote:
> > >
> > > On Thu, Oct 29, 2020 at 8:23 AM Atish Patra wrote:
> > > >
> &
m ftrace. My patch just use
notrace flag setting on some functions.
@Atish How do think:
CFLAGS_REMOVE_cacheflush.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_sbi.o = $(CC_FLAGS_FTRACE)
--
Best Regards
Guo Ren
ML: https://lore.kernel.org/linux-csky/
On Thu, Jul 9, 2020 at 1:32 PM Alex Ghiti wrote:
>
> Hi Guo,
>
> Le 7/9/20 à 12:38 AM, guo...@kernel.org a écrit :
> > From: Guo Ren
> >
> > Let riscv enable randomizes the stack, heap and binary images of
> > ELF binaries. Seems it's ok at all after qem
unsigned long tsc;
> 22
> 23 /* Try to get a semi random initial value. */
> 24 get_random_bytes(&canary, sizeof(canary));
> 25 tsc = get_cycles();
> > 26 canary += tsc + (tsc << 32UL);
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
--
Best Regards
Guo Ren
ML: https://lore.kernel.org/linux-csky/
Thank you, Palmer
On Fri, Jul 10, 2020 at 6:06 AM Palmer Dabbelt wrote:
>
> On Sat, 27 Jun 2020 06:57:05 PDT (-0700), guo...@kernel.org wrote:
> > From: Guo Ren
> >
> > Lockdep is needed by proving the spinlocks and rwlocks. To support it,
> > we need to add
Good Idea! I'll try :P
On Mon, Oct 19, 2020 at 4:36 PM Masami Hiramatsu wrote:
>
> On Sat, 17 Oct 2020 07:06:17 +
> guo...@kernel.org wrote:
>
> > From: Guo Ren
> >
> > It will cause warning messages:
> > echo function_graph > /sys/kernel/de
Hi Kees,
Ping? Any feedback?
On Sun, Oct 18, 2020 at 8:39 PM wrote:
>
> From: Guo Ren
>
> This enables the use of per-task stack canary values if GCC has
> support for emitting the stack canary reference relative to the
> value of tp, which holds the task struct pointer in
Hi Palmer,
Could you help move the patch into your next-tree with Kees' review added?
On Sat, Nov 14, 2020 at 6:57 AM Kees Cook wrote:
>
> On Sun, Oct 18, 2020 at 12:38:17PM +, guo...@kernel.org wrote:
> > From: Guo Ren
> >
> > This enables the use of per-ta
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