[xen staging] xen/sysctl: wrap around XEN_SYSCTL_cpupool_op

[patchbot@xxxxxxx]

commit 09dc040e865feb119cc1a9180f28e878d800b417
Author:     Penny Zheng <Penny.Zheng@xxxxxxx>
AuthorDate: Mon Jul 7 11:48:53 2025 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Jul 7 11:48:53 2025 +0200

    xen/sysctl: wrap around XEN_SYSCTL_cpupool_op
    
    Function cpupool_do_sysctl is designed for doing cpupool related sysctl
    operations, and shall be wrapped.
    
    The following static functions are only called by cpupool_do_sysctl(), then
    shall be wrapped too:
    - cpupool_get_next_by_id
    - cpupool_destroy
    - cpupool_unassign_cpu_helper
    - cpupool_unassign_cpu
    
    Signed-off-by: Penny Zheng <Penny.Zheng@xxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
---
 xen/common/sched/cpupool.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/xen/common/sched/cpupool.c b/xen/common/sched/cpupool.c
index 3d02c7b706..f5459c2779 100644
--- a/xen/common/sched/cpupool.c
+++ b/xen/common/sched/cpupool.c
@@ -241,10 +241,12 @@ struct cpupool *cpupool_get_by_id(unsigned int poolid)
     return __cpupool_get_by_id(poolid, true);
 }
 
+#ifdef CONFIG_SYSCTL
 static struct cpupool *cpupool_get_next_by_id(unsigned int poolid)
 {
     return __cpupool_get_by_id(poolid, false);
 }
+#endif /* CONFIG_SYSCTL */
 
 void cpupool_put(struct cpupool *pool)
 {
@@ -352,6 +354,7 @@ static struct cpupool *cpupool_create(unsigned int poolid,
 
     return ERR_PTR(ret);
 }
+#ifdef CONFIG_SYSCTL
 /*
  * destroys the given cpupool
  * returns 0 on success, 1 else
@@ -379,6 +382,7 @@ static int cpupool_destroy(struct cpupool *c)
     debugtrace_printk("cpupool_destroy(pool=%u)\n", c->cpupool_id);
     return 0;
 }
+#endif /* CONFIG_SYSCTL */
 
 /*
  * Move domain to another cpupool
@@ -568,6 +572,7 @@ static int cpupool_unassign_cpu_start(struct cpupool *c, 
unsigned int cpu)
     return ret;
 }
 
+#ifdef CONFIG_SYSCTL
 static long cf_check cpupool_unassign_cpu_helper(void *info)
 {
     struct cpupool *c = info;
@@ -633,6 +638,7 @@ static int cpupool_unassign_cpu(struct cpupool *c, unsigned 
int cpu)
     }
     return continue_hypercall_on_cpu(work_cpu, cpupool_unassign_cpu_helper, c);
 }
+#endif /* CONFIG_SYSCTL */
 
 /*
  * add a new domain to a cpupool
@@ -810,6 +816,7 @@ static void cpupool_cpu_remove_forced(unsigned int cpu)
     rcu_read_unlock(&sched_res_rculock);
 }
 
+#ifdef CONFIG_SYSCTL
 /*
  * do cpupool related sysctl operations
  */
@@ -975,6 +982,7 @@ int cpupool_do_sysctl(struct xen_sysctl_cpupool_op *op)
 
     return ret;
 }
+#endif /* CONFIG_SYSCTL */
 
 unsigned int cpupool_get_id(const struct domain *d)
 {
--
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