RepoMirrors
/
kpatch
mirror of https://github.com/dynup/kpatch
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

make _rs a special static local 

The _rs variable is used for printk ratelimiting, similar to __warned,
which makes it a logical candidate to be "special": don't correlate it,
yet don't mark a function as changed just because it references it.
This commit is contained in:
Josh Poimboeuf 2014-10-06 16:52:52 -05:00
parent fe846f4d56
commit c799ecc55f
2 changed files with 26 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
kpatch-build/create-diff-object.c
View File

@ -527,6 +527,7 @@ static int is_special_static(struct symbol *sym)
"__warned.",
"descriptor.",
"__func__.",
"_rs.",
NULL,
};
char **prefix;

25
test/integration/special-static-2.patch Normal file
View File

@ -0,0 +1,25 @@
Index: src/arch/x86/kvm/x86.c
===================================================================
--- src.orig/arch/x86/kvm/x86.c
+++ src/arch/x86/kvm/x86.c
@@ -2011,12 +2011,20 @@ static void record_steal_time(struct kvm
&vcpu->arch.st.steal, sizeof(struct kvm_steal_time));
}
+void kpatch_kvm_x86_foo(void)
+{
+ if (!jiffies)
+ printk("kpatch kvm x86 foo\n");
+}
+
int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
{
bool pr = false;
u32 msr = msr_info->index;
u64 data = msr_info->data;
+ kpatch_kvm_x86_foo();
+
switch (msr) {
case MSR_AMD64_NB_CFG:
case MSR_IA32_UCODE_REV: