Merge tag 'mips_5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - added support for QCN550x (ath79)

 - enabled KCSAN

 - removed TX39XX support

 - various cleanups and fixes

* tag 'mips_5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (31 commits)
  MIPS: Fix build error for loongson64 and sgi-ip27
  MIPS: ingenic: correct unit node address
  MIPS: Fix wrong comments in asm/prom.h
  MIPS: Remove redundant definitions of device_tree_init()
  MIPS: Remove redundant check in device_tree_init()
  MIPS: pgalloc: fix memory leak caused by pgd_free()
  MIPS: RB532: fix return value of __setup handler
  MIPS: Only use current_stack_pointer on GCC
  MIPS: boot/compressed: Use array reference for image bounds
  mips: cdmm: Fix refcount leak in mips_cdmm_phys_base
  mips: remove reference to "newer Loongson-3"
  mips: Always permit to build u-boot images
  MIPS: Sanitise Cavium switch cases in TLB handler synthesizers
  DEC: Limit PMAX memory probing to R3k systems
  mips: DEC: honor CONFIG_MIPS_FP_SUPPORT=n
  MIPS: fix fortify panic when copying asm exception handlers
  mips: ralink: fix a refcount leak in ill_acc_of_setup()
  mips: Implement "current_stack_pointer"
  MIPS: Remove TX39XX support
  MIPS: Modernize READ_IMPLIES_EXEC
  ...

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index 0b17aaa9e012..ecae7470faa4 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -69,6 +69,10 @@ static inline struct thread_info *current_thread_info(void)
 	return __current_thread_info;
 }
 
+#ifdef CONFIG_ARCH_HAS_CURRENT_STACK_POINTER
+register unsigned long current_stack_pointer __asm__("sp");
+#endif
+
 #endif /* !__ASSEMBLY__ */
 
 /* thread information allocation */