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SubjectRe: linux-next: Tree for Oct 25
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Hello,

Recent -next has this new warning splat coming from MMC, please take a look.

------------[ cut here ]------------
WARNING: CPU: 0 PID: 525 at kernel/sched/core.c:9477 __might_sleep+0x65/0x68
do not call blocking ops when !TASK_RUNNING; state=2 set at [<4316eb02>] prepare_to_wait+0x2e/0xb8
Modules linked in:
CPU: 0 PID: 525 Comm: Xorg Tainted: G W 5.15.0-rc6-next-20211025-00226-g89ccd6948ec3 #5
Hardware name: NVIDIA Tegra SoC (Flattened Device Tree)
(unwind_backtrace) from [<c01089f9>] (show_stack+0x11/0x14)
(show_stack) from [<c0afacb9>] (dump_stack_lvl+0x2b/0x34)
(dump_stack_lvl) from [<c011f689>] (__warn+0xa1/0xe8)
(__warn) from [<c0af6729>] (warn_slowpath_fmt+0x65/0x7c)
(warn_slowpath_fmt) from [<c01421b9>] (__might_sleep+0x65/0x68)
(__might_sleep) from [<c07eb377>] (mmc_blk_rw_wait+0x2f/0x118)
(mmc_blk_rw_wait) from [<c07eba11>] (mmc_blk_mq_issue_rq+0x219/0x71c)
(mmc_blk_mq_issue_rq) from [<c07ec199>] (mmc_mq_queue_rq+0xf9/0x200)
(mmc_mq_queue_rq) from [<c04ad247>] (__blk_mq_try_issue_directly+0xcb/0x100)
(__blk_mq_try_issue_directly) from [<c04adb89>] (blk_mq_request_issue_directly+0x2d/0x48)
(blk_mq_request_issue_directly) from [<c04adcf3>] (blk_mq_flush_plug_list+0x14f/0x1f4)
(blk_mq_flush_plug_list) from [<c04a5313>] (blk_flush_plug+0x83/0xb8)
(blk_flush_plug) from [<c0b013cb>] (io_schedule+0x2b/0x3c)
(io_schedule) from [<c0b01a17>] (bit_wait_io+0xf/0x48)
(bit_wait_io) from [<c0b01783>] (__wait_on_bit+0x3f/0x88)
(__wait_on_bit) from [<c0b01823>] (out_of_line_wait_on_bit+0x57/0x68)
(out_of_line_wait_on_bit) from [<c03539c1>] (ext4_read_bh+0xb1/0xb4)
(ext4_read_bh) from [<c03146b3>] (__read_extent_tree_block+0xa7/0x134)
(__read_extent_tree_block) from [<c031526f>] (ext4_find_extent+0x13b/0x2fc)
(ext4_find_extent) from [<c0317da5>] (ext4_ext_map_blocks+0x4d/0x1160)
(ext4_ext_map_blocks) from [<c03286c3>] (ext4_map_blocks+0x1bf/0x428)
(ext4_map_blocks) from [<c03436b1>] (ext4_mpage_readpages+0x399/0x660)
(ext4_mpage_readpages) from [<c02322d9>] (read_pages+0x51/0x18c)
(read_pages) from [<c02324f5>] (page_cache_ra_unbounded+0xe1/0x174)
(page_cache_ra_unbounded) from [<c02299c1>] (filemap_get_pages+0xc5/0x524)
(filemap_get_pages) from [<c0229eff>] (filemap_read+0xdf/0x2fc)
(filemap_read) from [<c028bae9>] (vfs_read+0x151/0x23c)
(vfs_read) from [<c028bf4b>] (ksys_read+0x47/0x98)
(ksys_read) from [<c01000a1>] (ret_fast_syscall+0x1/0x16)
Exception stack(0xc593ffa8 to 0xc593fff0)


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