linux-kernel - linux-next: build failure after merge of the amdgpu tree

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Date:   Thu, 23 Jun 2022 16:07:23 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Alex Deucher <alexdeucher@...il.com>, Greg KH <greg@...ah.com>
Cc:     Somalapuram Amaranath <Amaranath.Somalapuram@....com>,
        Duoming Zhou <duoming@....edu.cn>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Dave Airlie <airlied@...ux.ie>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the amdgpu tree

Hi all,

After merging the amdgpu tree, today's linux-next build (x86_64
allmodconfig) failed like this:

In file included from include/linux/radix-tree.h:12,
                 from include/linux/idr.h:15,
                 from include/linux/kernfs.h:12,
                 from include/linux/sysfs.h:16,
                 from include/linux/kobject.h:20,
                 from include/linux/energy_model.h:7,
                 from include/linux/device.h:16,
                 from include/linux/power_supply.h:15,
                 from drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:28:
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c: In function 'amdgpu_reset_capture_coredumpm':
include/linux/gfp.h:337:25: error: passing argument 5 of 'dev_coredumpm' makes pointer from integer without a cast [-Werror=int-conversion]
  337 | #define GFP_KERNEL      (__GFP_RECLAIM | __GFP_IO | __GFP_FS)
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                         |
      |                         unsigned int
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:4726:55: note: in expansion of macro 'GFP_KERNEL'
 4726 |         dev_coredumpm(dev->dev, THIS_MODULE, adev, 0, GFP_KERNEL,
      |                                                       ^~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:35:
include/linux/devcoredump.h:59:30: note: expected 'ssize_t (*)(char *, loff_t,  size_t,  void *, size_t)' {aka 'long int (*)(char *, long long int,  long unsigned int,  void *, long unsigned int)'} but argument is of type 'unsigned int'
   59 |                    ssize_t (*read)(char *buffer, loff_t offset, size_t count,
      |                    ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   60 |                                    void *data, size_t datalen),
      |                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:4727:23: error: passing argument 6 of 'dev_coredumpm' from incompatible pointer type [-Werror=incompatible-pointer-types]
 4727 |                       amdgpu_devcoredump_read, amdgpu_devcoredump_free);
      |                       ^~~~~~~~~~~~~~~~~~~~~~~
      |                       |
      |                       ssize_t (*)(char *, loff_t,  size_t,  void *, size_t) {aka long int (*)(char *, long long int,  long unsigned int,  void *, long unsigned int)}
In file included from drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:35:
include/linux/devcoredump.h:61:27: note: expected 'void (*)(void *)' but argument is of type 'ssize_t (*)(char *, loff_t,  size_t,  void *, size_t)' {aka 'long int (*)(char *, long long int,  long unsigned int,  void *, long unsigned int)'}
   61 |                    void (*free)(void *data));
      |                    ~~~~~~~^~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:4726:9: error: too many arguments to function 'dev_coredumpm'
 4726 |         dev_coredumpm(dev->dev, THIS_MODULE, adev, 0, GFP_KERNEL,
      |         ^~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:35:
include/linux/devcoredump.h:57:6: note: declared here
   57 | void dev_coredumpm(struct device *dev, struct module *owner,
      |      ^~~~~~~~~~~~~
cc1: all warnings being treated as errors

Caused by commit

  3d8785f6c04a ("drm/amdgpu: adding device coredump support")

interacting with commit

  77515ebaf019 ("devcoredump: remove the useless gfp_t parameter in dev_coredumpv and dev_coredumpm")

from the driver-core tree.

I have applied the following merge resolution patch for today.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 23 Jun 2022 15:56:22 +1000
Subject: [PATCH] fix up for "devcoredump: remove the useless gfp_t parameter in dev_coredumpv and dev_coredumpm"

interacting with

  3d8785f6c04a ("drm/amdgpu: adding device coredump support")

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f2a4c268ac72..9d6418bb963e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4723,7 +4723,7 @@ static void amdgpu_reset_capture_coredumpm(struct amdgpu_device *adev)
 	struct drm_device *dev = adev_to_drm(adev);
 
 	ktime_get_ts64(&adev->reset_time);
-	dev_coredumpm(dev->dev, THIS_MODULE, adev, 0, GFP_KERNEL,
+	dev_coredumpm(dev->dev, THIS_MODULE, adev, 0,
 		      amdgpu_devcoredump_read, amdgpu_devcoredump_free);
 }
 #endif
-- 
2.35.1

-- 
Cheers,
Stephen Rothwell

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