Hi Stefano,
On 19/02/18 21:58, Stefano Stabellini wrote:
There can be processors of different kinds on a single system. Make
processor a per_cpu variable pointing to the right processor type for
each core.
Suggested-by: Julien Grall <julien.gr...@arm.com>
Signed-off-by: Stefano Stabellini <sstabell...@kernel.org>
Reviewed-by: Julien Grall <julien.gr...@arm.com>
---
Changes in v2:
- add patch
---
xen/arch/arm/processor.c | 8 ++++----
xen/arch/arm/smpboot.c | 2 ++
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/xen/arch/arm/processor.c b/xen/arch/arm/processor.c
index 8c425ce..ce43850 100644
--- a/xen/arch/arm/processor.c
+++ b/xen/arch/arm/processor.c
@@ -18,7 +18,7 @@
*/
#include <asm/procinfo.h>
-static const struct processor *processor = NULL;
+static DEFINE_PER_CPU(struct processor *, processor);
void __init processor_setup(void)
{
@@ -28,15 +28,15 @@ void __init processor_setup(void)
if ( !procinfo )
return;
- processor = procinfo->processor;
+ this_cpu(processor) = procinfo->processor;
}
void processor_vcpu_initialise(struct vcpu *v)
{
- if ( !processor || !processor->vcpu_initialise )
+ if ( !this_cpu(processor) || !this_cpu(processor)->vcpu_initialise )
return;
- processor->vcpu_initialise(v);
+ this_cpu(processor)->vcpu_initialise(v);
}
/*
diff --git a/xen/arch/arm/smpboot.c b/xen/arch/arm/smpboot.c
index 7ea4e41..122c0b5 100644
--- a/xen/arch/arm/smpboot.c
+++ b/xen/arch/arm/smpboot.c
@@ -32,6 +32,7 @@
#include <xen/console.h>
#include <asm/cpuerrata.h>
#include <asm/gic.h>
+#include <asm/procinfo.h>
#include <asm/psci.h>
#include <asm/acpi.h>
@@ -300,6 +301,7 @@ void start_secondary(unsigned long boot_phys_offset,
set_processor_id(cpuid);
identify_cpu(¤t_cpu_data);
+ processor_setup();
init_traps();
Cheers,
--
Julien Grall
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel