Merge tag 'uml-for-linux-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux

Pull UML updates from Johannes Berg:
 "Apart from the usual small churn, we have

   - initial SMP support (only kernel)

   - major vDSO cleanups (and fixes for 32-bit)"

* tag 'uml-for-linux-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: (33 commits)
  um: Disable KASAN_INLINE when STATIC_LINK is selected
  um: Don't rename vmap to kernel_vmap
  um: drivers: virtio: use string choices helper
  um: Always set up AT_HWCAP and AT_PLATFORM
  x86/um: Remove FIXADDR_USER_START and FIXADDR_USE_END
  um: Remove __access_ok_vsyscall()
  um: Remove redundant range check from __access_ok_vsyscall()
  um: Remove fixaddr_user_init()
  x86/um: Drop gate area handling
  x86/um: Do not inherit vDSO from host
  um: Split out default elf_aux_hwcap
  x86/um: Move ELF_PLATFORM fallback to x86-specific code
  um: Split out default elf_aux_platform
  um: Avoid circular dependency on asm-offsets in pgtable.h
  um: Enable SMP support on x86
  asm-generic: percpu: Add assembly guard
  um: vdso: Remove getcpu support on x86
  um: Add initial SMP support
  um: Define timers on a per-CPU basis
  um: Determine sleep based on need_resched()
  ...

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/um/os-Linux/internal.h b/arch/um/os-Linux/internal.h
index 5d8d3b0817a9..bac9fcc8c14c 100644
--- a/arch/um/os-Linux/internal.h
+++ b/arch/um/os-Linux/internal.h
@@ -4,6 +4,7 @@
 
 #include <mm_id.h>
 #include <stub-data.h>
+#include <signal.h>
 
 /*
  * elf_aux.c
@@ -16,8 +17,20 @@ void scan_elf_aux(char **envp);
 void check_tmpexec(void);
 
 /*
+ * signal.c
+ */
+extern __thread int signals_enabled;
+int timer_alarm_pending(void);
+
+/*
  * skas/process.c
  */
 void wait_stub_done(int pid);
 void wait_stub_done_seccomp(struct mm_id *mm_idp, int running, int wait_sigsys);
+
+/*
+ * smp.c
+ */
+#define IPI_SIGNAL	SIGRTMIN
+
 #endif /* __UM_OS_LINUX_INTERNAL_H */