linux-kernel - Re: [PATCH] accel/amdxdna: Add missing include linux/slab.h

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Message-ID: <43eb87f7-0d47-43a7-b34a-9180f50de3b2@linux.intel.com>
Date: Mon, 10 Feb 2025 10:43:25 +0100
From: Jacek Lawrynowicz <jacek.lawrynowicz@...ux.intel.com>
To: Su Hui <suhui@...china.com>, min.ma@....com, lizhi.hou@....com,
 ogabbay@...nel.org
Cc: quic_jhugo@...cinc.com, George.Yang@....com,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] accel/amdxdna: Add missing include linux/slab.h

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@...china.com>
> ---
>  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"
>