|
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen staging] x86: move cpu_{up,down}_helper()
commit f9d67340b4aa254f64b40f2031720f61a33c2904
Author: Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed Aug 19 11:09:38 2020 +0200
Commit: Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Aug 19 11:09:38 2020 +0200
x86: move cpu_{up,down}_helper()
This is in preparation of making the building of sysctl.c conditional.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
xen/arch/x86/smp.c | 34 ++++++++++++++++++++++++++++++++++
xen/arch/x86/sysctl.c | 33 ---------------------------------
2 files changed, 34 insertions(+), 33 deletions(-)
diff --git a/xen/arch/x86/smp.c b/xen/arch/x86/smp.c
index 6f1aaa2106..14aa355a6b 100644
--- a/xen/arch/x86/smp.c
+++ b/xen/arch/x86/smp.c
@@ -22,6 +22,7 @@
#include <asm/hardirq.h>
#include <asm/hpet.h>
#include <asm/hvm/support.h>
+#include <asm/setup.h>
#include <irq_vectors.h>
#include <mach_apic.h>
@@ -396,3 +397,36 @@ void call_function_interrupt(struct cpu_user_regs *regs)
perfc_incr(ipis);
smp_call_function_interrupt();
}
+
+long cpu_up_helper(void *data)
+{
+ unsigned int cpu = (unsigned long)data;
+ int ret = cpu_up(cpu);
+
+ /* Have one more go on EBUSY. */
+ if ( ret == -EBUSY )
+ ret = cpu_up(cpu);
+
+ if ( !ret && !opt_smt &&
+ cpu_data[cpu].compute_unit_id == INVALID_CUID &&
+ cpumask_weight(per_cpu(cpu_sibling_mask, cpu)) > 1 )
+ {
+ ret = cpu_down_helper(data);
+ if ( ret )
+ printk("Could not re-offline CPU%u (%d)\n", cpu, ret);
+ else
+ ret = -EPERM;
+ }
+
+ return ret;
+}
+
+long cpu_down_helper(void *data)
+{
+ int cpu = (unsigned long)data;
+ int ret = cpu_down(cpu);
+ /* Have one more go on EBUSY. */
+ if ( ret == -EBUSY )
+ ret = cpu_down(cpu);
+ return ret;
+}
diff --git a/xen/arch/x86/sysctl.c b/xen/arch/x86/sysctl.c
index b0cb1b57e7..aff52a13f3 100644
--- a/xen/arch/x86/sysctl.c
+++ b/xen/arch/x86/sysctl.c
@@ -79,39 +79,6 @@ static void l3_cache_get(void *arg)
l3_info->size = info.size / 1024; /* in KB unit */
}
-long cpu_up_helper(void *data)
-{
- unsigned int cpu = (unsigned long)data;
- int ret = cpu_up(cpu);
-
- /* Have one more go on EBUSY. */
- if ( ret == -EBUSY )
- ret = cpu_up(cpu);
-
- if ( !ret && !opt_smt &&
- cpu_data[cpu].compute_unit_id == INVALID_CUID &&
- cpumask_weight(per_cpu(cpu_sibling_mask, cpu)) > 1 )
- {
- ret = cpu_down_helper(data);
- if ( ret )
- printk("Could not re-offline CPU%u (%d)\n", cpu, ret);
- else
- ret = -EPERM;
- }
-
- return ret;
-}
-
-long cpu_down_helper(void *data)
-{
- int cpu = (unsigned long)data;
- int ret = cpu_down(cpu);
- /* Have one more go on EBUSY. */
- if ( ret == -EBUSY )
- ret = cpu_down(cpu);
- return ret;
-}
-
static long smt_up_down_helper(void *data)
{
bool up = (bool)data;
--
generated by git-patchbot for /home/xen/git/xen.git#staging
|
![]() |
Lists.xenproject.org is hosted with RackSpace, monitoring our |