Merge tag 'x86_urgent_for_v6.13_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Borislav Petkov:

 - Add a terminating zero end-element to the array describing AMD CPUs
   affected by erratum 1386 so that the matching loop actually
   terminates instead of going off into the weeds

 - Update the boot protocol documentation to mention the fact that the
   preferred address to load the kernel to is considered in the
   relocatable kernel case too

 - Flush the memory buffer containing the microcode patch after applying
   microcode on AMD Zen1 and Zen2, to avoid unnecessary slowdowns

 - Make sure the PPIN CPU feature flag is cleared on all CPUs if PPIN
   has been disabled

* tag 'x86_urgent_for_v6.13_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/CPU/AMD: Terminate the erratum_1386_microcode array
  x86/Documentation: Update algo in init_size description of boot protocol
  x86/microcode/AMD: Flush patch buffer mapping after application
  x86/mm: Carve out INVLPG inline asm for use by others
  x86/cpu: Fix PPIN initialization

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/include/asm/tlb.h b/arch/x86/include/asm/tlb.h
index 580636cdc257..4d3c9d00d6b6 100644
--- a/arch/x86/include/asm/tlb.h
+++ b/arch/x86/include/asm/tlb.h
@@ -34,4 +34,8 @@ static inline void __tlb_remove_table(void *table)
 	free_page_and_swap_cache(table);
 }
 
+static inline void invlpg(unsigned long addr)
+{
+	asm volatile("invlpg (%0)" ::"r" (addr) : "memory");
+}
 #endif /* _ASM_X86_TLB_H */