From: Yury Usishchev <y.usishchev@samsung.com>
Date: Thu, 29 Oct 2015 10:22:30 +0000 (+0300)
Subject: do not instrument hvc and smc functions
X-Git-Tag: submit/tizen/20160118.065818^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fheads%2Faccepted%2Ftizen_common;p=platform%2Fkernel%2Flinux-arm64.git

do not instrument hvc and smc functions

Change-Id: If95b79f560122df83a67cc770be0a4b4522d619f
---

diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
index 51439b38bfe..b57679ac219 100644
--- a/arch/arm64/kernel/psci.c
+++ b/arch/arm64/kernel/psci.c
@@ -118,7 +118,7 @@ static void psci_power_state_unpack(u32 power_state,
  * The following two functions are invoked via the invoke_psci_fn pointer
  * and will not be inlined, allowing us to piggyback on the AAPCS.
  */
-static noinline int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
+__attribute__((no_instrument_function)) static noinline int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
 					 u64 arg2)
 {
 	asm volatile(
@@ -133,7 +133,7 @@ static noinline int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
 	return function_id;
 }
 
-static noinline int __invoke_psci_fn_smc(u64 function_id, u64 arg0, u64 arg1,
+__attribute__((no_instrument_function)) static noinline int __invoke_psci_fn_smc(u64 function_id, u64 arg0, u64 arg1,
 					 u64 arg2)
 {
 	asm volatile(