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authorStuart Menefy <stuart.menefy@st.com>2008-07-02 17:51:23 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-07-28 18:10:33 +0900
commitf2fb4e4f647dabf1177d3ce164988e73482d76b1 (patch)
tree5288184d2d8535c826c8b3c33d79b2529c83542b /fs/compat.c
parent068f59143d821553e7a55cdbd69142b05e245d47 (diff)
sh: Conditionally re-enable IRQs in fault path.
The current kernel behaviour is to reenable interrupts unconditionally when taking a page fault. This patch changes this to only enable them if interrupts were previously enabled. It also fixes a problem seen with this fix in place: the kernel previously flushed the vsyscall page when handling a signal, which is not only unncessary, but caused a possible sleep with interrupts disabled. Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'fs/compat.c')
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