cachepc

commit 24d7c448e49e3dc2abbf3bc804247fb30410775a
parent 647ced3c3389a01515aea1e391830fd8e7134931
Author: Louis Burda <quent.burda@gmail.com>
Date:   Tue,  6 Sep 2022 13:04:50 +0200

Fix kvm-amd module

Diffstat:
M
Makefile
 | 
2
+-
M
kmod/kvm.c
 | 
16
+++++++---------
M
patch.diff
 | 
2
+-

3 files changed, 9 insertions(+), 11 deletions(-)
diff --git a/Makefile b/Makefile
@@ -3,7 +3,7 @@ PWD := $(shell pwd)
 
 .PHONY: all reset clean prepare build
 
-all: reset clean prepare build test/eviction test/access test/kvm test/sev
+all: reset clean prepare build test/eviction test/access test/kvm test/sev test/sev-es
 
 clean:
 	$(MAKE) -C $(KERNEL_SOURCE) SUBDIRS=arch/x86/kvm clean
diff --git a/kmod/kvm.c b/kmod/kvm.c
@@ -270,7 +270,7 @@ cachepc_kvm_ioctl(struct file *file, unsigned int cmd, unsigned long argp)
 {
 	void __user *arg_user;
 	uint32_t u32;
-	int r;
+	int ret;
 
 	arg_user = (void __user *)argp;
 	switch (cmd) {
@@ -279,9 +279,9 @@ cachepc_kvm_ioctl(struct file *file, unsigned int cmd, unsigned long argp)
 		if (!arg_user) return -EINVAL;
 		if (copy_from_user(&u32, arg_user, sizeof(uint32_t)))
 			return -EFAULT;
-		r = smp_call_function_single(2,
+		ret = smp_call_function_single(2,
 			cachepc_kvm_single_access_test, &u32, true);
-		WARN_ON(r != 0);
+		WARN_ON(ret != 0);
 		if (copy_to_user(arg_user, &u32, sizeof(uint32_t)))
 			return -EFAULT;
 		break;
@@ -290,9 +290,9 @@ cachepc_kvm_ioctl(struct file *file, unsigned int cmd, unsigned long argp)
 		if (!arg_user) return -EINVAL;
 		if (copy_from_user(&u32, arg_user, sizeof(uint32_t)))
 			return -EFAULT;
-		r = smp_call_function_single(2,
+		ret = smp_call_function_single(2,
 			cachepc_kvm_single_eviction_test, &u32, true);
-		WARN_ON(r != 0);
+		WARN_ON(ret != 0);
 		if (copy_to_user(arg_user, &u32, sizeof(uint32_t)))
 			return -EFAULT;
 		break;
@@ -301,9 +301,9 @@ cachepc_kvm_ioctl(struct file *file, unsigned int cmd, unsigned long argp)
 		if (!arg_user) return -EINVAL;
 		if (copy_from_user(&u32, arg_user, sizeof(uint32_t)))
 			return -EFAULT;
-		r = smp_call_function_single(2,
+		ret = smp_call_function_single(2,
 			cachepc_kvm_init_pmc_ioctl, &u32, true);
-		WARN_ON(r != 0);
+		WARN_ON(ret != 0);
 		break;
 	default:
 		return -EINVAL;
@@ -364,5 +364,3 @@ cachepc_kvm_exit(void)
 	cachepc_release_ds(cachepc_ctx, cachepc_ds);
 	cachepc_release_ctx(cachepc_ctx);
 }
-
-
diff --git a/patch.diff b/patch.diff
@@ -27,7 +27,7 @@ index b804444e16d4..66a4d56e331a 100644
  			   vmx/evmcs.o vmx/nested.o vmx/posted_intr.o
 -kvm-amd-y		+= svm/svm.o svm/vmenter.o svm/pmu.o svm/nested.o svm/avic.o svm/sev.o
 +kvm-amd-y		+= svm/svm.o svm/vmenter.o svm/pmu.o svm/nested.o svm/avic.o svm/sev.o \
-+			   svm/cachepc/cachepc.o svm/cachepc/util.o svm/cachepc/kvm.o
++			   svm/cachepc/cachepc.o svm/cachepc/util.o
  
  obj-$(CONFIG_KVM)	+= kvm.o
  obj-$(CONFIG_KVM_INTEL)	+= kvm-intel.o