From: Peter Zijlstra <peterz@infradead.org>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 2/2] kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
Date: Wed, 31 Oct 2018 13:49:26 +0000 [thread overview]
Message-ID: <20181031134926.GB13237@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20181030221843.121254-3-dianders@chromium.org>
On Tue, Oct 30, 2018 at 03:18:43PM -0700, Douglas Anderson wrote:
> Looking closely at it, it seems like a really bad idea to be calling
> local_irq_enable() in kgdb_roundup_cpus(). If nothing else that seems
> like it could violate spinlock semantics and cause a deadlock.
>
> Instead, let's use a private csd alongside
> smp_call_function_single_async() to round up the other CPUs. Using
> smp_call_function_single_async() doesn't require interrupts to be
> enabled so we can remove the offending bit of code.
You might want to mention that the only reason this isn't a deadlock
itself is because there is a timeout on waiting for the slaves to
check-in.
> --- a/kernel/debug/debug_core.c
> +++ b/kernel/debug/debug_core.c
> @@ -55,6 +55,7 @@
> #include <linux/mm.h>
> #include <linux/vmacache.h>
> #include <linux/rcupdate.h>
> +#include <linux/irq.h>
>
> #include <asm/cacheflush.h>
> #include <asm/byteorder.h>
> @@ -220,6 +221,39 @@ int __weak kgdb_skipexception(int exception, struct pt_regs *regs)
> return 0;
> }
>
> +/*
> + * Default (weak) implementation for kgdb_roundup_cpus
> + */
> +
> +static DEFINE_PER_CPU(call_single_data_t, kgdb_roundup_csd);
> +
> +void __weak kgdb_call_nmi_hook(void *ignored)
> +{
> + kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
> +}
> +
> +void __weak kgdb_roundup_cpus(void)
> +{
> + call_single_data_t *csd;
> + int cpu;
> +
> + for_each_cpu(cpu, cpu_online_mask) {
> + csd = &per_cpu(kgdb_roundup_csd, cpu);
> + smp_call_function_single_async(cpu, csd);
> + }
> +}
> +
> +static void kgdb_generic_roundup_init(void)
> +{
> + call_single_data_t *csd;
> + int cpu;
> +
> + for_each_possible_cpu(cpu) {
> + csd = &per_cpu(kgdb_roundup_csd, cpu);
> + csd->func = kgdb_call_nmi_hook;
> + }
> +}
> +
> /*
> * Some architectures need cache flushes when we set/clear a
> * breakpoint:
> @@ -993,6 +1027,8 @@ int kgdb_register_io_module(struct kgdb_io *new_dbg_io_ops)
> return -EBUSY;
> }
>
> + kgdb_generic_roundup_init();
> +
> if (new_dbg_io_ops->init) {
> err = new_dbg_io_ops->init();
> if (err) {
That's a little bit of overhead for those architectures not using that
generic code; but I suppose we can live with that.
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Douglas Anderson <dianders@chromium.org>
Cc: Jason Wessel <jason.wessel@windriver.com>,
Daniel Thompson <daniel.thompson@linaro.org>,
kgdb-bugreport@lists.sourceforge.net, linux-mips@linux-mips.org,
linux-sh@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
James Hogan <jhogan@kernel.org>,
linux-hexagon@vger.kernel.org, Vineet Gupta <vgupta@synopsys.com>,
Thomas Gleixner <tglx@linutronix.de>,
Philippe Ombredanne <pombredanne@nexb.com>,
Kate Stewart <kstewart@linuxfoundation.org>,
Rich Felker <dalias@libc.org>, Ralf Baechle <ralf@linux-mips.org>,
linux-snps-arc@lists.infradead.org,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Will Deacon <will.deacon@arm.com>,
Paul Mackerras <paulus@samba.org>,
Russell King <linux@armlinux.org.uk>,
linux-arm-kernel@lists.infradead.org,
Christophe Leroy <christophe.leroy@c-s.fr>,
Michael Ellerman <mpe@ellerman.id.au>,
Paul Burton <paul.burton@mips.com>,
linux-kernel@vger.kernel.org, Richard Kuo <rkuo@codeaurora.org>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v2 2/2] kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
Date: Wed, 31 Oct 2018 14:49:26 +0100 [thread overview]
Message-ID: <20181031134926.GB13237@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20181030221843.121254-3-dianders@chromium.org>
On Tue, Oct 30, 2018 at 03:18:43PM -0700, Douglas Anderson wrote:
> Looking closely at it, it seems like a really bad idea to be calling
> local_irq_enable() in kgdb_roundup_cpus(). If nothing else that seems
> like it could violate spinlock semantics and cause a deadlock.
>
> Instead, let's use a private csd alongside
> smp_call_function_single_async() to round up the other CPUs. Using
> smp_call_function_single_async() doesn't require interrupts to be
> enabled so we can remove the offending bit of code.
You might want to mention that the only reason this isn't a deadlock
itself is because there is a timeout on waiting for the slaves to
check-in.
> --- a/kernel/debug/debug_core.c
> +++ b/kernel/debug/debug_core.c
> @@ -55,6 +55,7 @@
> #include <linux/mm.h>
> #include <linux/vmacache.h>
> #include <linux/rcupdate.h>
> +#include <linux/irq.h>
>
> #include <asm/cacheflush.h>
> #include <asm/byteorder.h>
> @@ -220,6 +221,39 @@ int __weak kgdb_skipexception(int exception, struct pt_regs *regs)
> return 0;
> }
>
> +/*
> + * Default (weak) implementation for kgdb_roundup_cpus
> + */
> +
> +static DEFINE_PER_CPU(call_single_data_t, kgdb_roundup_csd);
> +
> +void __weak kgdb_call_nmi_hook(void *ignored)
> +{
> + kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
> +}
> +
> +void __weak kgdb_roundup_cpus(void)
> +{
> + call_single_data_t *csd;
> + int cpu;
> +
> + for_each_cpu(cpu, cpu_online_mask) {
> + csd = &per_cpu(kgdb_roundup_csd, cpu);
> + smp_call_function_single_async(cpu, csd);
> + }
> +}
> +
> +static void kgdb_generic_roundup_init(void)
> +{
> + call_single_data_t *csd;
> + int cpu;
> +
> + for_each_possible_cpu(cpu) {
> + csd = &per_cpu(kgdb_roundup_csd, cpu);
> + csd->func = kgdb_call_nmi_hook;
> + }
> +}
> +
> /*
> * Some architectures need cache flushes when we set/clear a
> * breakpoint:
> @@ -993,6 +1027,8 @@ int kgdb_register_io_module(struct kgdb_io *new_dbg_io_ops)
> return -EBUSY;
> }
>
> + kgdb_generic_roundup_init();
> +
> if (new_dbg_io_ops->init) {
> err = new_dbg_io_ops->init();
> if (err) {
That's a little bit of overhead for those architectures not using that
generic code; but I suppose we can live with that.
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Douglas Anderson <dianders@chromium.org>
Cc: Kate Stewart <kstewart@linuxfoundation.org>,
linux-mips@linux-mips.org, Rich Felker <dalias@libc.org>,
linux-sh@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
Daniel Thompson <daniel.thompson@linaro.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
linux-hexagon@vger.kernel.org,
Russell King <linux@armlinux.org.uk>,
kgdb-bugreport@lists.sourceforge.net,
James Hogan <jhogan@kernel.org>,
linux-snps-arc@lists.infradead.org,
Jason Wessel <jason.wessel@windriver.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm-kernel@lists.infradead.org,
Vineet Gupta <vgupta@synopsys.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Ralf Baechle <ralf@linux-mips.org>,
Richard Kuo <rkuo@codeaurora.org>,
Paul Burton <paul.burton@mips.com>,
Philippe Ombredanne <pombredanne@nexb.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v2 2/2] kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
Date: Wed, 31 Oct 2018 14:49:26 +0100 [thread overview]
Message-ID: <20181031134926.GB13237@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20181030221843.121254-3-dianders@chromium.org>
On Tue, Oct 30, 2018 at 03:18:43PM -0700, Douglas Anderson wrote:
> Looking closely at it, it seems like a really bad idea to be calling
> local_irq_enable() in kgdb_roundup_cpus(). If nothing else that seems
> like it could violate spinlock semantics and cause a deadlock.
>
> Instead, let's use a private csd alongside
> smp_call_function_single_async() to round up the other CPUs. Using
> smp_call_function_single_async() doesn't require interrupts to be
> enabled so we can remove the offending bit of code.
You might want to mention that the only reason this isn't a deadlock
itself is because there is a timeout on waiting for the slaves to
check-in.
> --- a/kernel/debug/debug_core.c
> +++ b/kernel/debug/debug_core.c
> @@ -55,6 +55,7 @@
> #include <linux/mm.h>
> #include <linux/vmacache.h>
> #include <linux/rcupdate.h>
> +#include <linux/irq.h>
>
> #include <asm/cacheflush.h>
> #include <asm/byteorder.h>
> @@ -220,6 +221,39 @@ int __weak kgdb_skipexception(int exception, struct pt_regs *regs)
> return 0;
> }
>
> +/*
> + * Default (weak) implementation for kgdb_roundup_cpus
> + */
> +
> +static DEFINE_PER_CPU(call_single_data_t, kgdb_roundup_csd);
> +
> +void __weak kgdb_call_nmi_hook(void *ignored)
> +{
> + kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
> +}
> +
> +void __weak kgdb_roundup_cpus(void)
> +{
> + call_single_data_t *csd;
> + int cpu;
> +
> + for_each_cpu(cpu, cpu_online_mask) {
> + csd = &per_cpu(kgdb_roundup_csd, cpu);
> + smp_call_function_single_async(cpu, csd);
> + }
> +}
> +
> +static void kgdb_generic_roundup_init(void)
> +{
> + call_single_data_t *csd;
> + int cpu;
> +
> + for_each_possible_cpu(cpu) {
> + csd = &per_cpu(kgdb_roundup_csd, cpu);
> + csd->func = kgdb_call_nmi_hook;
> + }
> +}
> +
> /*
> * Some architectures need cache flushes when we set/clear a
> * breakpoint:
> @@ -993,6 +1027,8 @@ int kgdb_register_io_module(struct kgdb_io *new_dbg_io_ops)
> return -EBUSY;
> }
>
> + kgdb_generic_roundup_init();
> +
> if (new_dbg_io_ops->init) {
> err = new_dbg_io_ops->init();
> if (err) {
That's a little bit of overhead for those architectures not using that
generic code; but I suppose we can live with that.
WARNING: multiple messages have this Message-ID (diff)
From: peterz@infradead.org (Peter Zijlstra)
To: linux-snps-arc@lists.infradead.org
Subject: [PATCH v2 2/2] kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
Date: Wed, 31 Oct 2018 14:49:26 +0100 [thread overview]
Message-ID: <20181031134926.GB13237@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20181030221843.121254-3-dianders@chromium.org>
On Tue, Oct 30, 2018@03:18:43PM -0700, Douglas Anderson wrote:
> Looking closely at it, it seems like a really bad idea to be calling
> local_irq_enable() in kgdb_roundup_cpus(). If nothing else that seems
> like it could violate spinlock semantics and cause a deadlock.
>
> Instead, let's use a private csd alongside
> smp_call_function_single_async() to round up the other CPUs. Using
> smp_call_function_single_async() doesn't require interrupts to be
> enabled so we can remove the offending bit of code.
You might want to mention that the only reason this isn't a deadlock
itself is because there is a timeout on waiting for the slaves to
check-in.
> --- a/kernel/debug/debug_core.c
> +++ b/kernel/debug/debug_core.c
> @@ -55,6 +55,7 @@
> #include <linux/mm.h>
> #include <linux/vmacache.h>
> #include <linux/rcupdate.h>
> +#include <linux/irq.h>
>
> #include <asm/cacheflush.h>
> #include <asm/byteorder.h>
> @@ -220,6 +221,39 @@ int __weak kgdb_skipexception(int exception, struct pt_regs *regs)
> return 0;
> }
>
> +/*
> + * Default (weak) implementation for kgdb_roundup_cpus
> + */
> +
> +static DEFINE_PER_CPU(call_single_data_t, kgdb_roundup_csd);
> +
> +void __weak kgdb_call_nmi_hook(void *ignored)
> +{
> + kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
> +}
> +
> +void __weak kgdb_roundup_cpus(void)
> +{
> + call_single_data_t *csd;
> + int cpu;
> +
> + for_each_cpu(cpu, cpu_online_mask) {
> + csd = &per_cpu(kgdb_roundup_csd, cpu);
> + smp_call_function_single_async(cpu, csd);
> + }
> +}
> +
> +static void kgdb_generic_roundup_init(void)
> +{
> + call_single_data_t *csd;
> + int cpu;
> +
> + for_each_possible_cpu(cpu) {
> + csd = &per_cpu(kgdb_roundup_csd, cpu);
> + csd->func = kgdb_call_nmi_hook;
> + }
> +}
> +
> /*
> * Some architectures need cache flushes when we set/clear a
> * breakpoint:
> @@ -993,6 +1027,8 @@ int kgdb_register_io_module(struct kgdb_io *new_dbg_io_ops)
> return -EBUSY;
> }
>
> + kgdb_generic_roundup_init();
> +
> if (new_dbg_io_ops->init) {
> err = new_dbg_io_ops->init();
> if (err) {
That's a little bit of overhead for those architectures not using that
generic code; but I suppose we can live with that.
WARNING: multiple messages have this Message-ID (diff)
From: peterz@infradead.org (Peter Zijlstra)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/2] kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
Date: Wed, 31 Oct 2018 14:49:26 +0100 [thread overview]
Message-ID: <20181031134926.GB13237@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20181030221843.121254-3-dianders@chromium.org>
On Tue, Oct 30, 2018 at 03:18:43PM -0700, Douglas Anderson wrote:
> Looking closely at it, it seems like a really bad idea to be calling
> local_irq_enable() in kgdb_roundup_cpus(). If nothing else that seems
> like it could violate spinlock semantics and cause a deadlock.
>
> Instead, let's use a private csd alongside
> smp_call_function_single_async() to round up the other CPUs. Using
> smp_call_function_single_async() doesn't require interrupts to be
> enabled so we can remove the offending bit of code.
You might want to mention that the only reason this isn't a deadlock
itself is because there is a timeout on waiting for the slaves to
check-in.
> --- a/kernel/debug/debug_core.c
> +++ b/kernel/debug/debug_core.c
> @@ -55,6 +55,7 @@
> #include <linux/mm.h>
> #include <linux/vmacache.h>
> #include <linux/rcupdate.h>
> +#include <linux/irq.h>
>
> #include <asm/cacheflush.h>
> #include <asm/byteorder.h>
> @@ -220,6 +221,39 @@ int __weak kgdb_skipexception(int exception, struct pt_regs *regs)
> return 0;
> }
>
> +/*
> + * Default (weak) implementation for kgdb_roundup_cpus
> + */
> +
> +static DEFINE_PER_CPU(call_single_data_t, kgdb_roundup_csd);
> +
> +void __weak kgdb_call_nmi_hook(void *ignored)
> +{
> + kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
> +}
> +
> +void __weak kgdb_roundup_cpus(void)
> +{
> + call_single_data_t *csd;
> + int cpu;
> +
> + for_each_cpu(cpu, cpu_online_mask) {
> + csd = &per_cpu(kgdb_roundup_csd, cpu);
> + smp_call_function_single_async(cpu, csd);
> + }
> +}
> +
> +static void kgdb_generic_roundup_init(void)
> +{
> + call_single_data_t *csd;
> + int cpu;
> +
> + for_each_possible_cpu(cpu) {
> + csd = &per_cpu(kgdb_roundup_csd, cpu);
> + csd->func = kgdb_call_nmi_hook;
> + }
> +}
> +
> /*
> * Some architectures need cache flushes when we set/clear a
> * breakpoint:
> @@ -993,6 +1027,8 @@ int kgdb_register_io_module(struct kgdb_io *new_dbg_io_ops)
> return -EBUSY;
> }
>
> + kgdb_generic_roundup_init();
> +
> if (new_dbg_io_ops->init) {
> err = new_dbg_io_ops->init();
> if (err) {
That's a little bit of overhead for those architectures not using that
generic code; but I suppose we can live with that.
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Douglas Anderson <dianders@chromium.org>
Cc: Kate Stewart <kstewart@linuxfoundation.org>,
linux-mips@linux-mips.org, Rich Felker <dalias@libc.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
linux-sh@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Daniel Thompson <daniel.thompson@linaro.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
linux-hexagon@vger.kernel.org,
Russell King <linux@armlinux.org.uk>,
kgdb-bugreport@lists.sourceforge.net,
James Hogan <jhogan@kernel.org>,
linux-snps-arc@lists.infradead.org,
Jason Wessel <jason.wessel@windriver.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm-kernel@lists.infradead.org,
Christophe Leroy <christophe.leroy@c-s.fr>,
Vineet Gupta <vgupta@synopsys.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Ralf
Subject: Re: [PATCH v2 2/2] kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
Date: Wed, 31 Oct 2018 14:49:26 +0100 [thread overview]
Message-ID: <20181031134926.GB13237@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20181030221843.121254-3-dianders@chromium.org>
On Tue, Oct 30, 2018 at 03:18:43PM -0700, Douglas Anderson wrote:
> Looking closely at it, it seems like a really bad idea to be calling
> local_irq_enable() in kgdb_roundup_cpus(). If nothing else that seems
> like it could violate spinlock semantics and cause a deadlock.
>
> Instead, let's use a private csd alongside
> smp_call_function_single_async() to round up the other CPUs. Using
> smp_call_function_single_async() doesn't require interrupts to be
> enabled so we can remove the offending bit of code.
You might want to mention that the only reason this isn't a deadlock
itself is because there is a timeout on waiting for the slaves to
check-in.
> --- a/kernel/debug/debug_core.c
> +++ b/kernel/debug/debug_core.c
> @@ -55,6 +55,7 @@
> #include <linux/mm.h>
> #include <linux/vmacache.h>
> #include <linux/rcupdate.h>
> +#include <linux/irq.h>
>
> #include <asm/cacheflush.h>
> #include <asm/byteorder.h>
> @@ -220,6 +221,39 @@ int __weak kgdb_skipexception(int exception, struct pt_regs *regs)
> return 0;
> }
>
> +/*
> + * Default (weak) implementation for kgdb_roundup_cpus
> + */
> +
> +static DEFINE_PER_CPU(call_single_data_t, kgdb_roundup_csd);
> +
> +void __weak kgdb_call_nmi_hook(void *ignored)
> +{
> + kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
> +}
> +
> +void __weak kgdb_roundup_cpus(void)
> +{
> + call_single_data_t *csd;
> + int cpu;
> +
> + for_each_cpu(cpu, cpu_online_mask) {
> + csd = &per_cpu(kgdb_roundup_csd, cpu);
> + smp_call_function_single_async(cpu, csd);
> + }
> +}
> +
> +static void kgdb_generic_roundup_init(void)
> +{
> + call_single_data_t *csd;
> + int cpu;
> +
> + for_each_possible_cpu(cpu) {
> + csd = &per_cpu(kgdb_roundup_csd, cpu);
> + csd->func = kgdb_call_nmi_hook;
> + }
> +}
> +
> /*
> * Some architectures need cache flushes when we set/clear a
> * breakpoint:
> @@ -993,6 +1027,8 @@ int kgdb_register_io_module(struct kgdb_io *new_dbg_io_ops)
> return -EBUSY;
> }
>
> + kgdb_generic_roundup_init();
> +
> if (new_dbg_io_ops->init) {
> err = new_dbg_io_ops->init();
> if (err) {
That's a little bit of overhead for those architectures not using that
generic code; but I suppose we can live with that.
next prev parent reply other threads:[~2018-10-31 13:49 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-30 22:18 [PATCH v2 0/2] kgdb: Fix kgdb_roundup_cpus() Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` [PATCH v2 1/2] kgdb: Remove irq flags from roundup Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` [PATCH v2 2/2] kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function() Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-30 22:18 ` Douglas Anderson
2018-10-31 1:51 ` kbuild test robot
2018-10-31 1:51 ` kbuild test robot
2018-10-31 1:51 ` kbuild test robot
2018-10-31 1:51 ` kbuild test robot
2018-10-31 1:51 ` kbuild test robot
2018-10-31 1:51 ` kbuild test robot
2018-10-31 1:51 ` kbuild test robot
2018-10-31 13:49 ` Peter Zijlstra [this message]
2018-10-31 13:49 ` Peter Zijlstra
2018-10-31 13:49 ` Peter Zijlstra
2018-10-31 13:49 ` Peter Zijlstra
2018-10-31 13:49 ` Peter Zijlstra
2018-10-31 13:49 ` Peter Zijlstra
2018-10-31 17:01 ` Daniel Thompson
2018-10-31 17:01 ` Daniel Thompson
2018-10-31 17:01 ` Daniel Thompson
2018-10-31 17:01 ` Daniel Thompson
2018-10-31 17:01 ` Daniel Thompson
2018-10-31 17:01 ` Daniel Thompson
2018-10-31 18:40 ` Daniel Thompson
2018-10-31 18:40 ` Daniel Thompson
2018-10-31 18:40 ` Daniel Thompson
2018-10-31 18:40 ` Daniel Thompson
2018-10-31 18:40 ` Daniel Thompson
2018-10-31 18:40 ` Daniel Thompson
2018-10-31 21:41 ` Doug Anderson
2018-10-31 21:41 ` Doug Anderson
2018-10-31 21:41 ` Doug Anderson
2018-10-31 21:41 ` Doug Anderson
2018-10-31 21:41 ` Doug Anderson
2018-10-31 21:41 ` Doug Anderson
2018-11-03 10:45 ` Daniel Thompson
2018-11-03 10:45 ` Daniel Thompson
2018-11-03 10:45 ` Daniel Thompson
2018-11-03 10:45 ` Daniel Thompson
2018-11-03 10:45 ` Daniel Thompson
2018-11-03 10:45 ` Daniel Thompson
2018-11-07 1:04 ` Doug Anderson
2018-11-07 1:04 ` Doug Anderson
2018-11-07 1:04 ` Doug Anderson
2018-11-07 1:04 ` Doug Anderson
2018-11-07 1:04 ` Doug Anderson
2018-11-07 1:04 ` Doug Anderson
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