Merge tag 'for-linus-5.4-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git...
authorLinus Torvalds <torvalds@linux-foundation.org>
Sat, 26 Oct 2019 10:32:12 +0000 (06:32 -0400)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 26 Oct 2019 10:32:12 +0000 (06:32 -0400)
Pull xen fixlet from Juergen Gross:
 "Just one patch for issuing a deprecation warning for 32-bit Xen pv
  guests"

* tag 'for-linus-5.4-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: issue deprecation warning for 32-bit pv guest

arch/x86/xen/enlighten_pv.c

index 58f79ab32358429ea4f948ccccbdfe86e9e294e3..5bfea374a1609a590d9cae7b343b07f85e02bf6d 100644 (file)
@@ -117,6 +117,14 @@ static void __init xen_banner(void)
        printk(KERN_INFO "Xen version: %d.%d%s%s\n",
               version >> 16, version & 0xffff, extra.extraversion,
               xen_feature(XENFEAT_mmu_pt_update_preserve_ad) ? " (preserve-AD)" : "");
+
+#ifdef CONFIG_X86_32
+       pr_warn("WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!\n"
+               "Support for running as 32-bit PV-guest under Xen will soon be removed\n"
+               "from the Linux kernel!\n"
+               "Please use either a 64-bit kernel or switch to HVM or PVH mode!\n"
+               "WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!\n");
+#endif
 }
 
 static void __init xen_pv_init_platform(void)