Commit 0a006ace authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
Browse files

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: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211126052133.1664375-1-npiggin@gmail.com
parent 6ed05a8e

arch/powerpc/platforms/pseries/vas.c

+9 −2
Original line number Diff line number Diff line
@@ -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);