[Intel-gfx] [drm-tip:drm-tip 4/8] drivers/gpu/drm/lima/lima_ctx.c:26:36: note: in expansion of macro 'UINT_MAX'
kbuild test robot
lkp at intel.com
Mon Apr 1 19:01:05 UTC 2019
tree: git://anongit.freedesktop.org/drm/drm-tip drm-tip
head: 093a2914c367de18bbf8d07d0b15ce63c43e5f9e
commit: 4e0795386a907989f92082c9f1af3c70dec46969 [4/8] Merge remote-tracking branch 'drm-misc/drm-misc-next' into drm-tip
config: sparc64-allyesconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 4e0795386a907989f92082c9f1af3c70dec46969
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=sparc64
All warnings (new ones prefixed by >>):
In file included from include/linux/kernel.h:7:0,
from include/asm-generic/bug.h:18,
from arch/sparc/include/asm/bug.h:25,
from include/linux/bug.h:5,
from include/linux/mmdebug.h:5,
from include/linux/gfp.h:5,
from include/linux/slab.h:15,
from drivers/gpu/drm/lima/lima_ctx.c:4:
drivers/gpu/drm/lima/lima_ctx.c: In function 'lima_ctx_create':
include/linux/limits.h:13:18: warning: passing argument 3 of 'xa_alloc' makes pointer from integer without a cast [-Wint-conversion]
#define UINT_MAX (~0U)
^
>> drivers/gpu/drm/lima/lima_ctx.c:26:36: note: in expansion of macro 'UINT_MAX'
err = xa_alloc(&mgr->handles, id, UINT_MAX, ctx, GFP_KERNEL);
^~~~~~~~
In file included from include/linux/radix-tree.h:31:0,
from include/linux/idr.h:15,
from include/drm/drm_device.h:7,
from drivers/gpu/drm/lima/lima_device.h:7,
from drivers/gpu/drm/lima/lima_ctx.c:6:
include/linux/xarray.h:816:32: note: expected 'void *' but argument is of type 'unsigned int'
static inline __must_check int xa_alloc(struct xarray *xa, u32 *id,
^~~~~~~~
drivers/gpu/drm/lima/lima_ctx.c:26:46: error: incompatible type for argument 4 of 'xa_alloc'
err = xa_alloc(&mgr->handles, id, UINT_MAX, ctx, GFP_KERNEL);
^~~
In file included from include/linux/radix-tree.h:31:0,
from include/linux/idr.h:15,
from include/drm/drm_device.h:7,
from drivers/gpu/drm/lima/lima_device.h:7,
from drivers/gpu/drm/lima/lima_ctx.c:6:
include/linux/xarray.h:816:32: note: expected 'struct xa_limit' but argument is of type 'struct lima_ctx *'
static inline __must_check int xa_alloc(struct xarray *xa, u32 *id,
^~~~~~~~
vim +/UINT_MAX +26 drivers/gpu/drm/lima/lima_ctx.c
a1d2a633 Qiang Yu 2019-03-09 3
a1d2a633 Qiang Yu 2019-03-09 @4 #include <linux/slab.h>
a1d2a633 Qiang Yu 2019-03-09 5
a1d2a633 Qiang Yu 2019-03-09 6 #include "lima_device.h"
a1d2a633 Qiang Yu 2019-03-09 7 #include "lima_ctx.h"
a1d2a633 Qiang Yu 2019-03-09 8
a1d2a633 Qiang Yu 2019-03-09 9 int lima_ctx_create(struct lima_device *dev, struct lima_ctx_mgr *mgr, u32 *id)
a1d2a633 Qiang Yu 2019-03-09 10 {
a1d2a633 Qiang Yu 2019-03-09 11 struct lima_ctx *ctx;
a1d2a633 Qiang Yu 2019-03-09 12 int i, err;
a1d2a633 Qiang Yu 2019-03-09 13
a1d2a633 Qiang Yu 2019-03-09 14 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
a1d2a633 Qiang Yu 2019-03-09 15 if (!ctx)
a1d2a633 Qiang Yu 2019-03-09 16 return -ENOMEM;
a1d2a633 Qiang Yu 2019-03-09 17 ctx->dev = dev;
a1d2a633 Qiang Yu 2019-03-09 18 kref_init(&ctx->refcnt);
a1d2a633 Qiang Yu 2019-03-09 19
a1d2a633 Qiang Yu 2019-03-09 20 for (i = 0; i < lima_pipe_num; i++) {
a1d2a633 Qiang Yu 2019-03-09 21 err = lima_sched_context_init(dev->pipe + i, ctx->context + i, &ctx->guilty);
a1d2a633 Qiang Yu 2019-03-09 22 if (err)
a1d2a633 Qiang Yu 2019-03-09 23 goto err_out0;
a1d2a633 Qiang Yu 2019-03-09 24 }
a1d2a633 Qiang Yu 2019-03-09 25
a1d2a633 Qiang Yu 2019-03-09 @26 err = xa_alloc(&mgr->handles, id, UINT_MAX, ctx, GFP_KERNEL);
a1d2a633 Qiang Yu 2019-03-09 27 if (err < 0)
a1d2a633 Qiang Yu 2019-03-09 28 goto err_out0;
a1d2a633 Qiang Yu 2019-03-09 29
a1d2a633 Qiang Yu 2019-03-09 30 return 0;
a1d2a633 Qiang Yu 2019-03-09 31
a1d2a633 Qiang Yu 2019-03-09 32 err_out0:
a1d2a633 Qiang Yu 2019-03-09 33 for (i--; i >= 0; i--)
a1d2a633 Qiang Yu 2019-03-09 34 lima_sched_context_fini(dev->pipe + i, ctx->context + i);
a1d2a633 Qiang Yu 2019-03-09 35 kfree(ctx);
a1d2a633 Qiang Yu 2019-03-09 36 return err;
a1d2a633 Qiang Yu 2019-03-09 37 }
a1d2a633 Qiang Yu 2019-03-09 38
:::::: The code at line 26 was first introduced by commit
:::::: a1d2a6339961efc078208dc3b2f006e9e9a8e119 drm/lima: driver for ARM Mali4xx GPUs
:::::: TO: Qiang Yu <yuq825 at gmail.com>
:::::: CC: Eric Anholt <eric at anholt.net>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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