From: Jan Beulich <jbeulich@suse.com>
Date: Fri, 17 May 2019 12:40:12 +0000 (+0200)
Subject: cpufreq: patch target() indirect call to direct one
X-Git-Tag: archive/raspbian/4.14.0+80-gd101b417b7-1+rpi1^2~63^2~2223
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success//%22http:/www.example.com/cgi/success/?a=commitdiff_plain;h=f3866e4d9d95283f9a69a138c7343d746d7be0ec;p=xen.git

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@suse.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
---

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);
     }