On Wed, May 21, 2014 at 02:39:00PM +0100, James Hogan wrote:
On 20/05/14 15:47, Andreas Herrmann wrote:
diff --git a/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h
b/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h
new file mode 100644
index 000..c812efa
---
On Wed, May 21, 2014 at 09:31:02AM -0700, David Daney wrote:
On 05/21/2014 06:39 AM, James Hogan wrote:
[...]
diff --git a/arch/mips/paravirt/paravirt-irq.c
b/arch/mips/paravirt/paravirt-irq.c
new file mode 100644
index 000..e1603dd
--- /dev/null
+++
On Fri, May 23, 2014 at 10:28:55PM +0200, Andreas Herrmann wrote:
+ wmb();
Wouldn't smp_wmb() be more accurate?
... use smp_wmb there ...
A few years ago I reviewed the use of mb()/rmb()/wmb() as opposed to
smp_mb()/smp_rmb()/smp_wmb() throughout the kernel. Every single use
was a
On Wed, May 21, 2014 at 02:39:00PM +0100, James Hogan wrote:
On 20/05/14 15:47, Andreas Herrmann wrote:
-- 8 --
diff --git a/arch/mips/paravirt/paravirt-irq.c
b/arch/mips/paravirt/paravirt-irq.c
new file mode 100644
index 000..e1603dd
--- /dev/null
+++
On 20/05/14 15:47, Andreas Herrmann wrote:
diff --git a/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h
b/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h
new file mode 100644
index 000..c812efa
--- /dev/null
+++ b/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h
On 05/21/2014 06:39 AM, James Hogan wrote:
[...]
diff --git a/arch/mips/paravirt/paravirt-irq.c
b/arch/mips/paravirt/paravirt-irq.c
new file mode 100644
index 000..e1603dd
--- /dev/null
+++ b/arch/mips/paravirt/paravirt-irq.c
[...]
+static void irq_core_set_enable_local(void *arg)
+{
+
On 21/05/14 17:31, David Daney wrote:
+paravirt_smp_sp[cpu] = __KSTK_TOS(idle);
+mb();
is this barrier necessary?
Really it is just make_writes_visible_asap(), but for OCTEON mb() or
smp_wmb() is the closest that the kernel has.
It may not be necessary, but it doesn't really
From: David Daney david.da...@cavium.com
For para-virtualized guests running under KVM or other equivalent
hypervisor.
Signed-off-by: David Daney david.da...@cavium.com
Signed-off-by: Andreas Herrmann andreas.herrm...@caviumnetworks.com
---
.../asm/mach-paravirt/cpu-feature-overrides.h |
