Hi, please move the header to the include block above an keep it sorted: #include <linux/iopoll.h> -->#include <linux/slab.h><-- #include <linux/xarray.h> On 2/8/2025 9:05 AM, Su Hui wrote: > When compiling without CONFIG_IA32_EMULATION, there are some errors: > > drivers/accel/amdxdna/amdxdna_mailbox.c: In function ‘mailbox_release_msg’: > drivers/accel/amdxdna/amdxdna_mailbox.c:197:2: error: implicit declaration > of function ‘kfree’. > 197 | kfree(mb_msg); > | ^~~~~ > drivers/accel/amdxdna/amdxdna_mailbox.c: In function ‘xdna_mailbox_send_msg’: > drivers/accel/amdxdna/amdxdna_mailbox.c:418:11: error:implicit declaration > of function ‘kzalloc’. > 418 | mb_msg = kzalloc(sizeof(*mb_msg) + pkg_size, GFP_KERNEL); > | ^~~~~~~ > > Add the missing include. > > Fixes: b87f920b9344 ("accel/amdxdna: Support hardware mailbox") > Signed-off-by: Su Hui <suhui@xxxxxxxxxxxx> > --- > drivers/accel/amdxdna/amdxdna_mailbox.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/accel/amdxdna/amdxdna_mailbox.c b/drivers/accel/amdxdna/amdxdna_mailbox.c > index 814b16bb1953..80b4b20addd6 100644 > --- a/drivers/accel/amdxdna/amdxdna_mailbox.c > +++ b/drivers/accel/amdxdna/amdxdna_mailbox.c > @@ -12,6 +12,7 @@ > > #define CREATE_TRACE_POINTS > #include <trace/events/amdxdna.h> > +#include <linux/slab.h> > > #include "amdxdna_mailbox.h" >