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| author | Tony Luck <tony.luck@intel.com> | 2012-09-20 11:47:13 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2012-09-20 11:47:13 -0700 |
| commit | 0967237ca6521c63822340138e4d62ecf8a3d173 (patch) | |
| tree | 43b2e01aa18a5b71d9ae16bc30cd67ac1f50d3ac /arch/ia64/xen/xencomm.c | |
| parent | 36a45e741783629e2c9039da51b95f637d56f875 (diff) | |
| download | blackbird-obmc-linux-0967237ca6521c63822340138e4d62ecf8a3d173.tar.gz blackbird-obmc-linux-0967237ca6521c63822340138e4d62ecf8a3d173.zip | |
[IA64] Must enable interrupts in do_notify_resume_user before calling tracehook_notify_resume()
If we call with interrupts disabled, we'll be hit with:
WARNING: at kernel/softirq.c:160 local_bh_enable_ip+0x150/0x180() and a stack
trace like this:
Call Trace:
[<a000000100015480>] show_stack+0x80/0xa0
[<a000000100d9a520>] dump_stack+0x30/0x50
[<a000000100072fc0>] warn_slowpath_common+0xc0/0x100
[<a000000100073040>] warn_slowpath_null+0x40/0x60
[<a0000001000884d0>] local_bh_enable_ip+0x150/0x180
[<a000000100da2960>] _raw_write_unlock_bh+0x40/0x60
[<a000000100cf03c0>] unix_release_sock+0x120/0x5a0
[<a000000100cf0880>] unix_release+0x40/0x60
[<a000000100b84400>] sock_release+0x60/0x1a0
[<a000000100b84b70>] sock_close+0x30/0xa0
[<a0000001001d10f0>] __fput+0x190/0x500
[<a0000001001d1580>] ____fput+0x20/0x40
[<a0000001000b6570>] task_work_run+0x1b0/0x260
[<a000000100015190>] do_notify_resume_user+0x110/0x2a0
[<a00000010000c5a0>] notify_resume_user+0x40/0x60
[<a00000010000c4d0>] skip_rbs_switch+0xe0/0xf0
[<a000000000040720>] ia64_ivt+0xffffffff00040720/0x400
Fix-suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/xen/xencomm.c')
0 files changed, 0 insertions, 0 deletions
