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authorLinus Torvalds <torvalds@linux-foundation.org>2019-10-26 13:32:12 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-10-26 13:32:12 +0300
commit4fac2407f809e2ccc846bcce1d62ebbf7b0a1cd2 (patch)
treea57516ecde55e0fcd21f55fa17582b86f83d8213
parent964f9cfaaee31588b1f1a23edee8bed94136452a (diff)
parent6ccae60d014d5d1f89c40e7e4b619f343ca24b03 (diff)
downloadlinux-4fac2407f809e2ccc846bcce1d62ebbf7b0a1cd2.tar.xz
Merge tag 'for-linus-5.4-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
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
-rw-r--r--arch/x86/xen/enlighten_pv.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index 58f79ab32358..5bfea374a160 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -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)