Revision c185ddec54657c145a0c2055e4b87918da24974f authored by Juergen Gross on 05 July 2017, 14:05:20 UTC, committed by Juergen Gross on 23 July 2017, 06:13:11 UTC
Commit dc6416f1d711eb4c1726e845d653235dcaae12e1 ("xen/x86: Call
cpu_startup_entry(CPUHP_AP_ONLINE_IDLE) from xen_play_dead()")
introduced an error leading to a stack overflow of the idle task when
a cpu was brought offline/online many times: by calling
cpu_startup_entry() instead of returning at the end of xen_play_dead()
do_idle() would be entered again and again.

Don't use cpu_startup_entry(), but cpuhp_online_idle() instead allowing
to return from xen_play_dead().

Cc: <stable@vger.kernel.org> # 4.12
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
1 parent 29d11cf
History
File Mode Size
apparmor
integrity
keys
loadpin
selinux
smack
tomoyo
yama
Kconfig -rw-r--r-- 8.9 KB
Makefile -rw-r--r-- 989 bytes
commoncap.c -rw-r--r-- 31.5 KB
device_cgroup.c -rw-r--r-- 21.0 KB
inode.c -rw-r--r-- 10.5 KB
lsm_audit.c -rw-r--r-- 10.7 KB
min_addr.c -rw-r--r-- 1.3 KB
security.c -rw-r--r-- 42.9 KB

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