!9 set the requiers of kernel version with linux-sgx-driver building environment kernel

From: @chenmaodong
Reviewed-by: @blue0613
Signed-off-by: @blue0613

linux-sgx-driver.spec

@@ -1,6 +1,6 @@
 Name:		linux-sgx-driver
 Version:	2.11
-Release:	4
+Release:	5
 Summary:	Intel SGX Linux* Driver
 ExclusiveArch:	x86_64
 License:	BSD-3-Clause and GPL-2.0 License
@@ -10,9 +10,8 @@ Source0:	https://github.com/intel/linux-sgx-driver/archive/sgx_driver_%{version}
 BuildRequires:	gcc kernel-devel make module-init-tools glibc uname-build-checks
 Patch0:		0001-Fix-compilation-on-5.8-kernel-120.patch
 
-Requires:       kernel
-
-%define kern_devel_ver   %(uname -r)
+%define     kern_devel_ver  %(uname -r)
+Requires:   kernel=%{kern_devel_ver}
 
 %description
 Intel(R) Software Guard Extensions (Intel(R) SGX) is an Intel technology for application 
@@ -48,16 +47,23 @@ install README.md $RPM_BUILD_ROOT/opt/intel/sgxdriver
 %post
 /sbin/ldconfig
 cat /etc/modules | grep -Fxq isgx || echo isgx >> /etc/modules
-/sbin/depmod
+/sbin/depmod %{kern_devel_ver}
 /sbin/modprobe isgx
+if [ $? -ne 0 ]
+then
+echo "warning: kernel has been updated, please reboot system with the latest version of kernel to enable sgx!"
+fi
 
 %postun
 /sbin/ldconfig
 sed -i '/^isgx$/d' /etc/modules
-/sbin/depmod
+/sbin/depmod %{kern_devel_ver}
 
 
 %changelog
+* Thu Mon 19 2021 chenmaodong <chenmaodong@huawei.com> - 2.11.5
+- set the requiers of kernel version with linux-sgx-driver building environment kernel
+
 * Thu Jul 1 2021 zhangguangzhi <zhangguangzhi3@huawei.com> - 2.11.4
 - add buildrequires uname-build-checks