When booting under KVM the following error messages are issued: hypfs.7f5705: The hardware system does not support hypfs hypfs.7a79f0: Initialization of hypfs failed with rc=-61 While being documented, they can easily be avoided by bailing out of hypfs_init() early in case of running as a KVM guest. Signed-off-by: Juergen Gross <jgross@xxxxxxxx> --- arch/s390/hypfs/inode.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index 5c97f48cea91..bdf078f3c641 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -464,6 +464,9 @@ static int __init hypfs_init(void) { int rc; + if (MACHINE_IS_KVM) + return -ENODATA; + hypfs_dbfs_init(); if (hypfs_diag_init()) { -- 2.35.3