linux-next: build warning after merge of the block tree
From: Stephen Rothwell
Date: Mon Jun 14 2021 - 22:23:36 EST
Hi all,
After merging the block tree, today's linux-next build (arm
multi_v7_defconfig) produced this warning:
In file included from include/linux/kernel.h:15,
from fs/io_uring.c:42:
fs/io_uring.c: In function 'io_alloc_page_table':
include/linux/minmax.h:20:28: warning: comparison of distinct pointer types lacks a cast
20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/minmax.h:26:4: note: in expansion of macro '__typecheck'
26 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/minmax.h:36:24: note: in expansion of macro '__safe_cmp'
36 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/minmax.h:45:19: note: in expansion of macro '__careful_cmp'
45 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
fs/io_uring.c:7095:28: note: in expansion of macro 'min'
7095 | unsigned int this_size = min(size, PAGE_SIZE);
| ^~~
Introduced by commit
9123c8ffce16 ("io_uring: add helpers for 2 level table alloc")
--
Cheers,
Stephen Rothwell
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