Merge tag 'x86_sev_for_v6.12_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 SEV updates from Borislav Petkov:

 - A bunch of cleanups to the sev-guest driver. All in preparation for
   future SEV work

* tag 'x86_sev_for_v6.12_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  virt: sev-guest: Ensure the SNP guest messages do not exceed a page
  virt: sev-guest: Fix user-visible strings
  virt: sev-guest: Rename local guest message variables
  virt: sev-guest: Replace dev_dbg() with pr_debug()

arch/x86/include/asm/sev.h

@@ -164,7 +164,7 @@ struct snp_guest_msg_hdr {
 
 struct snp_guest_msg {
 	struct snp_guest_msg_hdr hdr;
-	u8 payload[4000];
+	u8 payload[PAGE_SIZE - sizeof(struct snp_guest_msg_hdr)];
 } __packed;
 
 struct sev_guest_platform_data {