From: Johannes Berg johannes.berg@intel.com
[ Upstream commit bbe33504d4a7fdab9011211e55e262c869b3f6cc ]
Rename set_signals() as there's at least one driver that uses the same name and can now be built on UM due to PCI support, and thus we can get symbol conflicts.
Also rename set_signals_trace() to be consistent.
Reported-by: kernel test robot lkp@intel.com Fixes: 68f5d3f3b654 ("um: add PCI over virtio emulation driver") Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Richard Weinberger richard@nod.at Signed-off-by: Sasha Levin sashal@kernel.org --- arch/um/include/asm/irqflags.h | 4 ++-- arch/um/include/shared/longjmp.h | 2 +- arch/um/include/shared/os.h | 4 ++-- arch/um/kernel/ksyms.c | 2 +- arch/um/os-Linux/sigio.c | 6 +++--- arch/um/os-Linux/signal.c | 8 ++++---- 6 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/arch/um/include/asm/irqflags.h b/arch/um/include/asm/irqflags.h index dab5744e9253d..1e69ef5bc35e0 100644 --- a/arch/um/include/asm/irqflags.h +++ b/arch/um/include/asm/irqflags.h @@ -3,7 +3,7 @@ #define __UM_IRQFLAGS_H
extern int signals_enabled; -int set_signals(int enable); +int um_set_signals(int enable); void block_signals(void); void unblock_signals(void);
@@ -16,7 +16,7 @@ static inline unsigned long arch_local_save_flags(void) #define arch_local_irq_restore arch_local_irq_restore static inline void arch_local_irq_restore(unsigned long flags) { - set_signals(flags); + um_set_signals(flags); }
#define arch_local_irq_enable arch_local_irq_enable diff --git a/arch/um/include/shared/longjmp.h b/arch/um/include/shared/longjmp.h index bdb2869b72b31..8863319039f3d 100644 --- a/arch/um/include/shared/longjmp.h +++ b/arch/um/include/shared/longjmp.h @@ -18,7 +18,7 @@ extern void longjmp(jmp_buf, int); enable = *(volatile int *)&signals_enabled; \ n = setjmp(*buf); \ if(n != 0) \ - set_signals_trace(enable); \ + um_set_signals_trace(enable); \ n; })
#endif diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h index 96d400387c93e..03ffbdddcc480 100644 --- a/arch/um/include/shared/os.h +++ b/arch/um/include/shared/os.h @@ -238,8 +238,8 @@ extern void send_sigio_to_self(void); extern int change_sig(int signal, int on); extern void block_signals(void); extern void unblock_signals(void); -extern int set_signals(int enable); -extern int set_signals_trace(int enable); +extern int um_set_signals(int enable); +extern int um_set_signals_trace(int enable); extern int os_is_signal_stack(void); extern void deliver_alarm(void); extern void register_pm_wake_signal(void); diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c index b1e5634398d09..3a85bde3e1734 100644 --- a/arch/um/kernel/ksyms.c +++ b/arch/um/kernel/ksyms.c @@ -6,7 +6,7 @@ #include <linux/module.h> #include <os.h>
-EXPORT_SYMBOL(set_signals); +EXPORT_SYMBOL(um_set_signals); EXPORT_SYMBOL(signals_enabled);
EXPORT_SYMBOL(os_stat_fd); diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c index 6597ea1986ffa..9e71794839e87 100644 --- a/arch/um/os-Linux/sigio.c +++ b/arch/um/os-Linux/sigio.c @@ -132,7 +132,7 @@ static void update_thread(void) int n; char c;
- flags = set_signals_trace(0); + flags = um_set_signals_trace(0); CATCH_EINTR(n = write(sigio_private[0], &c, sizeof(c))); if (n != sizeof(c)) { printk(UM_KERN_ERR "update_thread : write failed, err = %d\n", @@ -147,7 +147,7 @@ static void update_thread(void) goto fail; }
- set_signals_trace(flags); + um_set_signals_trace(flags); return; fail: /* Critical section start */ @@ -161,7 +161,7 @@ static void update_thread(void) close(write_sigio_fds[0]); close(write_sigio_fds[1]); /* Critical section end */ - set_signals_trace(flags); + um_set_signals_trace(flags); }
int __add_sigio_fd(int fd) diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c index 6cf098c23a394..24a403a70a020 100644 --- a/arch/um/os-Linux/signal.c +++ b/arch/um/os-Linux/signal.c @@ -94,7 +94,7 @@ void sig_handler(int sig, struct siginfo *si, mcontext_t *mc)
sig_handler_common(sig, si, mc);
- set_signals_trace(enabled); + um_set_signals_trace(enabled); }
static void timer_real_alarm_handler(mcontext_t *mc) @@ -126,7 +126,7 @@ void timer_alarm_handler(int sig, struct siginfo *unused_si, mcontext_t *mc)
signals_active &= ~SIGALRM_MASK;
- set_signals_trace(enabled); + um_set_signals_trace(enabled); }
void deliver_alarm(void) { @@ -348,7 +348,7 @@ void unblock_signals(void) } }
-int set_signals(int enable) +int um_set_signals(int enable) { int ret; if (signals_enabled == enable) @@ -362,7 +362,7 @@ int set_signals(int enable) return ret; }
-int set_signals_trace(int enable) +int um_set_signals_trace(int enable) { int ret; if (signals_enabled == enable)