4 files changed, 42 insertions, 45 deletions

diff --git a/arch/mn10300/kernel/kprobes.c b/arch/mn10300/kernel/kprobes.c
index dacafab00eb2..67e6389d625a 100644
--- a/arch/mn10300/kernel/kprobes.c
+++ b/arch/mn10300/kernel/kprobes.c
@@ -31,13 +31,13 @@ const int kretprobe_blacklist_size = ARRAY_SIZE(kretprobe_blacklist);
 #define KPROBE_HIT_ACTIVE       0x00000001
 #define KPROBE_HIT_SS           0x00000002
 
-static struct kprobe *current_kprobe;
-static unsigned long current_kprobe_orig_pc;
-static unsigned long current_kprobe_next_pc;
-static int current_kprobe_ss_flags;
+static struct kprobe *cur_kprobe;
+static unsigned long cur_kprobe_orig_pc;
+static unsigned long cur_kprobe_next_pc;
+static int cur_kprobe_ss_flags;
 static unsigned long kprobe_status;
-static kprobe_opcode_t current_kprobe_ss_buf[MAX_INSN_SIZE + 2];
-static unsigned long current_kprobe_bp_addr;
+static kprobe_opcode_t cur_kprobe_ss_buf[MAX_INSN_SIZE + 2];
+static unsigned long cur_kprobe_bp_addr;
 
 DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
 
@@ -399,26 +399,25 @@ void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
 {
         unsigned long nextpc;
 
-        current_kprobe_orig_pc = regs->pc;
-        memcpy(current_kprobe_ss_buf, &p->ainsn.insn[0], MAX_INSN_SIZE);
-        regs->pc = (unsigned long) current_kprobe_ss_buf;
+        cur_kprobe_orig_pc = regs->pc;
+        memcpy(cur_kprobe_ss_buf, &p->ainsn.insn[0], MAX_INSN_SIZE);
+        regs->pc = (unsigned long) cur_kprobe_ss_buf;
 
-        nextpc = find_nextpc(regs, &current_kprobe_ss_flags);
-        if (current_kprobe_ss_flags & SINGLESTEP_PCREL)
-                current_kprobe_next_pc =
-                        current_kprobe_orig_pc + (nextpc - regs->pc);
+        nextpc = find_nextpc(regs, &cur_kprobe_ss_flags);
+        if (cur_kprobe_ss_flags & SINGLESTEP_PCREL)
+                cur_kprobe_next_pc = cur_kprobe_orig_pc + (nextpc - regs->pc);
         else
-                current_kprobe_next_pc = nextpc;
+                cur_kprobe_next_pc = nextpc;
 
         /* branching instructions need special handling */
-        if (current_kprobe_ss_flags & SINGLESTEP_BRANCH)
+        if (cur_kprobe_ss_flags & SINGLESTEP_BRANCH)
                 nextpc = singlestep_branch_setup(regs);
 
-        current_kprobe_bp_addr = nextpc;
+        cur_kprobe_bp_addr = nextpc;
 
         *(u8 *) nextpc = BREAKPOINT_INSTRUCTION;
-        mn10300_dcache_flush_range2((unsigned) current_kprobe_ss_buf,
-                                    sizeof(current_kprobe_ss_buf));
+        mn10300_dcache_flush_range2((unsigned) cur_kprobe_ss_buf,
+                                    sizeof(cur_kprobe_ss_buf));
         mn10300_icache_inv();
 }
 
@@ -440,7 +439,7 @@ static inline int __kprobes kprobe_handler(struct pt_regs *regs)
                         disarm_kprobe(p, regs);
                         ret = 1;
                 } else {
-                        p = current_kprobe;
+                        p = cur_kprobe;
                         if (p->break_handler && p->break_handler(p, regs))
                                 goto ss_probe;
                 }
@@ -464,7 +463,7 @@ static inline int __kprobes kprobe_handler(struct pt_regs *regs)
         }
 
         kprobe_status = KPROBE_HIT_ACTIVE;
-        current_kprobe = p;
+        cur_kprobe = p;
         if (p->pre_handler(p, regs)) {
                 /* handler has already set things up, so skip ss setup */
                 return 1;
@@ -491,8 +490,8 @@ no_kprobe:
 static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs)
 {
         /* we may need to fixup regs/stack after singlestepping a call insn */
-        if (current_kprobe_ss_flags & SINGLESTEP_BRANCH) {
-                regs->pc = current_kprobe_orig_pc;
+        if (cur_kprobe_ss_flags & SINGLESTEP_BRANCH) {
+                regs->pc = cur_kprobe_orig_pc;
                 switch (p->ainsn.insn[0]) {
                 case 0xcd:      /* CALL (d16,PC) */
                         *(unsigned *) regs->sp = regs->mdr = regs->pc + 5;
@@ -523,8 +522,8 @@ static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs)
                 }
         }
 
-        regs->pc = current_kprobe_next_pc;
-        current_kprobe_bp_addr = 0;
+        regs->pc = cur_kprobe_next_pc;
+        cur_kprobe_bp_addr = 0;
 }
 
 static inline int __kprobes post_kprobe_handler(struct pt_regs *regs)
@@ -532,10 +531,10 @@ static inline int __kprobes post_kprobe_handler(struct pt_regs *regs)
         if (!kprobe_running())
                 return 0;
 
-        if (current_kprobe->post_handler)
-                current_kprobe->post_handler(current_kprobe, regs, 0);
+        if (cur_kprobe->post_handler)
+                cur_kprobe->post_handler(cur_kprobe, regs, 0);
 
-        resume_execution(current_kprobe, regs);
+        resume_execution(cur_kprobe, regs);
         reset_current_kprobe();
         preempt_enable_no_resched();
         return 1;
@@ -545,12 +544,12 @@ static inline int __kprobes post_kprobe_handler(struct pt_regs *regs)
 static inline
 int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 {
-        if (current_kprobe->fault_handler &&
-            current_kprobe->fault_handler(current_kprobe, regs, trapnr))
+        if (cur_kprobe->fault_handler &&
+            cur_kprobe->fault_handler(cur_kprobe, regs, trapnr))
                 return 1;
 
         if (kprobe_status & KPROBE_HIT_SS) {
-                resume_execution(current_kprobe, regs);
+                resume_execution(cur_kprobe, regs);
                 reset_current_kprobe();
                 preempt_enable_no_resched();
         }
@@ -567,7 +566,7 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
 
         switch (val) {
         case DIE_BREAKPOINT:
-                if (current_kprobe_bp_addr != args->regs->pc) {
+                if (cur_kprobe_bp_addr != args->regs->pc) {
                         if (kprobe_handler(args->regs))
                                 return NOTIFY_STOP;
                 } else {
diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c
index a9952b1236b0..721d004a0235 100644
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -64,7 +64,7 @@ struct aes_ctx {
         u32 *D;
 };
 
-static DEFINE_PER_CPU(struct cword *, last_cword);
+static DEFINE_PER_CPU(struct cword *, paes_last_cword);
 
 /* Tells whether the ACE is capable to generate
    the extended key for a given key_len. */
@@ -152,9 +152,9 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
 
 ok:
         for_each_online_cpu(cpu)
-                if (&ctx->cword.encrypt == per_cpu(last_cword, cpu) ||
-                    &ctx->cword.decrypt == per_cpu(last_cword, cpu))
-                        per_cpu(last_cword, cpu) = NULL;
+                if (&ctx->cword.encrypt == per_cpu(paes_last_cword, cpu) ||
+                    &ctx->cword.decrypt == per_cpu(paes_last_cword, cpu))
+                        per_cpu(paes_last_cword, cpu) = NULL;
 
         return 0;
 }
@@ -166,7 +166,7 @@ static inline void padlock_reset_key(struct cword *cword)
 {
         int cpu = raw_smp_processor_id();
 
-        if (cword != per_cpu(last_cword, cpu))
+        if (cword != per_cpu(paes_last_cword, cpu))
 #ifndef CONFIG_X86_64
                 asm volatile ("pushfl; popfl");
 #else
@@ -176,7 +176,7 @@ static inline void padlock_reset_key(struct cword *cword)
 
 static inline void padlock_store_cword(struct cword *cword)
 {
-        per_cpu(last_cword, raw_smp_processor_id()) = cword;
+        per_cpu(paes_last_cword, raw_smp_processor_id()) = cword;
 }
 
 /*
diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
index 6ae388849a3b..fb2b7ef7868e 100644
--- a/drivers/lguest/x86/core.c
+++ b/drivers/lguest/x86/core.c
@@ -69,7 +69,7 @@ static struct lguest_pages *lguest_pages(unsigned int cpu)
                   (SWITCHER_ADDR + SHARED_SWITCHER_PAGES*PAGE_SIZE))[cpu]);
 }
 
-static DEFINE_PER_CPU(struct lg_cpu *, last_cpu);
+static DEFINE_PER_CPU(struct lg_cpu *, lg_last_cpu);
 
 /*S:010
  * We approach the Switcher.
@@ -90,8 +90,8 @@ static void copy_in_guest_info(struct lg_cpu *cpu, struct lguest_pages *pages)
          * meanwhile).  If that's not the case, we pretend everything in the
          * Guest has changed.
          */
-        if (__get_cpu_var(last_cpu) != cpu || cpu->last_pages != pages) {
-                __get_cpu_var(last_cpu) = cpu;
+        if (__get_cpu_var(lg_last_cpu) != cpu || cpu->last_pages != pages) {
+                __get_cpu_var(lg_last_cpu) = cpu;
                 cpu->last_pages = pages;
                 cpu->changed = CHANGED_ALL;
         }
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index c84eadd3602a..14e61441ba0b 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -113,11 +113,9 @@ static inline int iucv_dbf_passes(debug_info_t *dbf_grp, int level)
 #define IUCV_DBF_TEXT_(name, level, text...) \
         do { \
                 if (iucv_dbf_passes(iucv_dbf_##name, level)) { \
-                        char* iucv_dbf_txt_buf = \
-                                        get_cpu_var(iucv_dbf_txt_buf); \
-                        sprintf(iucv_dbf_txt_buf, text); \
-                        debug_text_event(iucv_dbf_##name, level, \
-                                                iucv_dbf_txt_buf); \
+                        char* __buf = get_cpu_var(iucv_dbf_txt_buf); \
+                        sprintf(__buf, text); \
+                        debug_text_event(iucv_dbf_##name, level, __buf); \
                         put_cpu_var(iucv_dbf_txt_buf); \
                 } \
         } while (0)