This is a note to let you know that I've just added the patch titled sparc64: Oracle DAX driver depends on SPARC64 to the 4.16-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: sparc64-oracle-dax-driver-depends-on-sparc64.patch and it can be found in the queue-4.16 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 9c548bb5823dfcf7a16c6e65976d84d9581208c9 Mon Sep 17 00:00:00 2001 From: Guenter Roeck <linux@xxxxxxxxxxxx> Date: Mon, 26 Feb 2018 15:21:18 -0800 Subject: sparc64: Oracle DAX driver depends on SPARC64 From: Guenter Roeck <linux@xxxxxxxxxxxx> commit 9c548bb5823dfcf7a16c6e65976d84d9581208c9 upstream. sparc:allmodconfig fails to build as follows. ERROR: "mdesc_release" [drivers/sbus/char/oradax.ko] undefined! ERROR: "sun4v_hvapi_register" [drivers/sbus/char/oradax.ko] undefined! ERROR: "mdesc_get_property" [drivers/sbus/char/oradax.ko] undefined! ERROR: "mdesc_node_by_name" [drivers/sbus/char/oradax.ko] undefined! ERROR: "mdesc_grab" [drivers/sbus/char/oradax.ko] undefined! ERROR: "sun4v_ccb_info" [drivers/sbus/char/oradax.ko] undefined! ERROR: "sun4v_ccb_submit" [drivers/sbus/char/oradax.ko] undefined! ERROR: "sun4v_ccb_kill" [drivers/sbus/char/oradax.ko] undefined! The symbols are only available with SPARC64 builds, thus the driver depends on it. Fixes: dd0273284c74 ("sparc64: Oracle DAX driver") Cc: Kees Cook <keescook@xxxxxxxxxxxx> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/sbus/char/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/sbus/char/Kconfig +++ b/drivers/sbus/char/Kconfig @@ -72,7 +72,8 @@ config DISPLAY7SEG config ORACLE_DAX tristate "Oracle Data Analytics Accelerator" - default m if SPARC64 + depends on SPARC64 + default m help Driver for Oracle Data Analytics Accelerator, which is a coprocessor that performs database operations in hardware. Patches currently in stable-queue which might be from linux@xxxxxxxxxxxx are queue-4.16/sparc64-oracle-dax-driver-depends-on-sparc64.patch