[Xen-changelog] [xen staging] cpufreq: patch target() indirect call to direct one

[patchbot@xxxxxxx]

commit f3866e4d9d95283f9a69a138c7343d746d7be0ec
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Fri May 17 14:40:12 2019 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri May 17 14:40:12 2019 +0200

    cpufreq: patch target() indirect call to direct one
    
    This looks to be the only frequently executed hook; don't bother
    patching any other ones.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/drivers/cpufreq/utility.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xen/drivers/cpufreq/utility.c b/xen/drivers/cpufreq/utility.c
index 15e15fd458..b93895d4dd 100644
--- a/xen/drivers/cpufreq/utility.c
+++ b/xen/drivers/cpufreq/utility.c
@@ -364,7 +364,8 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy,
     {
         unsigned int prev_freq = policy->cur;
 
-        retval = cpufreq_driver.target(policy, target_freq, relation);
+        retval = alternative_call(cpufreq_driver.target,
+                                  policy, target_freq, relation);
         if ( retval == 0 )
             TRACE_2D(TRC_PM_FREQ_CHANGE, prev_freq/1000, policy->cur/1000);
     }
--
generated by git-patchbot for /home/xen/git/xen.git#staging

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