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| Filename | Latest commit message | Latest commit date |
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[ Upstream commit ce0ee4e6ac99606f3945f4d47775544edc3f7985 ]
Today the sh code allocates memory the first time a process uses
the fpu. If that memory allocation fails, kill the affected task
with force_sig(SIGKILL) rather than do_group_exit(SIGKILL).
Calling do_group_exit from an exception handler can potentially lead
to dead locks as do_group_exit is not designed to be called from
interrupt context. Instead use force_sig(SIGKILL) to kill the
userspace process. Sending signals in general and force_sig in
particular has been tested from interrupt context so there should be
no problems.
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: linux-sh@vger.kernel.org
Fixes:
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| .. | ||
| boards | ||
| boot | ||
| cchips | ||
| configs | ||
| drivers | ||
| include | ||
| kernel | ||
| lib | ||
| lib64 | ||
| math-emu | ||
| mm | ||
| oprofile | ||
| tools | ||
| Kconfig | ||
| Kconfig.cpu | ||
| Kconfig.debug | ||
| Makefile | ||