Merge tag 'parisc-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc updates from Helge Deller:
 "Minor enhancements and fixes, specifically:

   - report emulation and alignment faults via perf

   - add initial kernel-side support for perf_events

   - small initialization fixes in the parisc firmware layer

   - adjust TC* constants and avoid referencing termio structs to avoid
     userspace build errors"

* tag 'parisc-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Fix iodc and device path return values on old machines
  parisc: Firmware: Fix returned path for PDC_MODULE_FIND on older machines
  parisc: Add initial kernel-side perf_event support
  parisc: Report software alignment faults via perf
  parisc: Report emulation faults via perf
  parisc: don't reference obsolete termio struct for TC* constants
  parisc: Remove spurious if statement from raw_copy_from_user()

1 files changed, 7 insertions, 1 deletions

diff --git a/arch/parisc/include/asm/perf_event.h b/arch/parisc/include/asm/perf_event.h
index 1e0fd8ba6c03..8a2925029d15 100644
--- a/arch/parisc/include/asm/perf_event.h
+++ b/arch/parisc/include/asm/perf_event.h
@@ -1,6 +1,12 @@
 #ifndef __ASM_PARISC_PERF_EVENT_H
 #define __ASM_PARISC_PERF_EVENT_H
 
-/* Empty, just to avoid compiling error */
+#include <asm/psw.h>
+
+#define perf_arch_fetch_caller_regs(regs, __ip) { \
+	(regs)->gr[0] = KERNEL_PSW; \
+	(regs)->iaoq[0] = (__ip); \
+	asm volatile("copy %%sp, %0\n":"=r"((regs)->gr[30])); \
+}
 
 #endif /* __ASM_PARISC_PERF_EVENT_H */