File xen.trc-do_sysctl.patch of Package xen

From: Olaf Hering <olaf@aepfle.de>
Date: Thu, 15 Jun 2023 07:46:48 +0000
Subject: trc do_sysctl

Signed-off-by: Olaf Hering <olaf@aepfle.de>
---
 xen/common/sysctl.c | 1 +
 1 file changed, 1 insertion(+)

--- a/xen/common/sysctl.c
+++ b/xen/common/sysctl.c
@@ -30,24 +30,25 @@
 #include <xen/coverage.h>
 
 long do_sysctl(XEN_GUEST_HANDLE_PARAM(xen_sysctl_t) u_sysctl)
 {
     long ret = 0;
     int copyback = -1;
     struct xen_sysctl curop, *op = &curop;
     static DEFINE_SPINLOCK(sysctl_lock);
 
     if ( copy_from_guest(op, u_sysctl, 1) )
         return -EFAULT;
 
+    TRACE_TIME(TRC_PV_ENTRY + 0x22U, op->cmd);
     if ( op->interface_version != XEN_SYSCTL_INTERFACE_VERSION )
         return -EACCES;
 
     ret = xsm_sysctl(XSM_PRIV, op->cmd);
     if ( ret )
         return ret;
 
     /*
      * Trylock here avoids deadlock with an existing sysctl critical section
      * which might (for some current or future reason) want to synchronise
      * with this vcpu.
      */