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| author | zongbox@gmail.com <zongbox@gmail.com> | 2018-01-30 08:51:45 +0100 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@sifive.com> | 2018-02-20 19:56:14 +0100 |
| commit | bcae803a213172c79ab5d077f169e3428e44d2ba (patch) | |
| tree | 328b45257ac024fc5885ae3d2138b2a3e07bcc0f /arch/blackfin/kernel | |
| parent | RISC-V: kconfig cleanups (diff) | |
| download | linux-bcae803a213172c79ab5d077f169e3428e44d2ba.tar.xz linux-bcae803a213172c79ab5d077f169e3428e44d2ba.zip | |
RISC-V: Enable IRQ during exception handling
Interrupt is allowed during exception handling.
There are warning messages if the kernel enables the configuration
'CONFIG_DEBUG_ATOMIC_SLEEP=y'.
BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:23
in_atomic(): 0, irqs_disabled(): 1, pid: 43, name: ash
CPU: 0 PID: 43 Comm: ash Tainted: G W 4.15.0-rc8-00089-g89ffdae-dirty #17
Call Trace:
[<000000009abb1587>] walk_stackframe+0x0/0x7a
[<00000000d4f3d088>] ___might_sleep+0x102/0x11a
[<00000000b1fd792a>] down_read+0x18/0x28
[<000000000289ec01>] do_page_fault+0x86/0x2f6
[<00000000012441f6>] _do_fork+0x1b4/0x1e0
[<00000000f46c3e3b>] ret_from_syscall+0xa/0xe
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Zong Li <zong@andestech.com>
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'arch/blackfin/kernel')
0 files changed, 0 insertions, 0 deletions