From: Nicholas Piggin Date: Fri, 26 Nov 2021 05:21:33 +0000 (+1000) Subject: powerpc/pseries/vas: Don't print an error when VAS is unavailable X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0a006ace634dcaf1bbf9125fb8089a4a50bf33d6;p=linux.git powerpc/pseries/vas: Don't print an error when VAS is unavailable KVM does not support VAS so guests always print a useless error on boot vas: HCALL(398) error -2, query_type 0, result buffer 0x57f2000 Change this to only print the message if the error is not H_FUNCTION. Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20211126052133.1664375-1-npiggin@gmail.com --- diff --git a/arch/powerpc/platforms/pseries/vas.c b/arch/powerpc/platforms/pseries/vas.c index b043e3936d215..734523e2272f1 100644 --- a/arch/powerpc/platforms/pseries/vas.c +++ b/arch/powerpc/platforms/pseries/vas.c @@ -151,8 +151,15 @@ int h_query_vas_capabilities(const u64 hcall, u8 query_type, u64 result) if (rc == H_SUCCESS) return 0; - pr_err("HCALL(%llx) error %ld, query_type %u, result buffer 0x%llx\n", - hcall, rc, query_type, result); + /* H_FUNCTION means HV does not support VAS so don't print an error */ + if (rc != H_FUNCTION) { + pr_err("%s error %ld, query_type %u, result buffer 0x%llx\n", + (hcall == H_QUERY_VAS_CAPABILITIES) ? + "H_QUERY_VAS_CAPABILITIES" : + "H_QUERY_NX_CAPABILITIES", + rc, query_type, result); + } + return -EIO; } EXPORT_SYMBOL_GPL(h_query_vas_capabilities);