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Stuart MENEFY 5d52013cbb sh: __copy_user function can corrupt the stack in case of exception ... The __copy_user function can corrupt the stack in the case of a non-trivial length of data, and either of the first two move instructions cause an exception. This is because the fixup for these two instructions is mapped to the no_pop case, but these instructions execute after the stack is pushed. This change creates an explicit NO_POP exception mapping macro, and uses it for the two instructions executed in the trivial case where no stack pushes occur. More information at ST Linux bugzilla: https://bugzilla.stlinux.com/show_bug.cgi?id=4824 Signed-off-by: Dylan Reid <dylan_reid@bose.com> Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>		16 years ago
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Makefile	move arch/sh/lib/io.o to obj-y	17 years ago
checksum.S	…
clear_page.S	sh: Allow optimized clear/copy page routines to be used on SH-2.	17 years ago
copy_page.S	sh: __copy_user function can corrupt the stack in case of exception	16 years ago
delay.c	…
div64-generic.c	sh: fixup many sparse errors.	17 years ago
div64.S	…
io.c	sh: Fix up the __raw_read/writeX() definitions.	17 years ago
memchr.S	…
memcpy-sh4.S	sh: Fix up optimized SH-4 memcpy on big endian.	17 years ago
memcpy.S	…
memmove.S	…
memset.S	…
strlen.S	…