linux_dsm_epyc7002/arch/arm/lib
Russell King 1bd46782d0 ARM: avoid unwanted GCC memset()/memcpy() optimisations for IO variants
We don't want GCC optimising our memset_io(), memcpy_fromio() or
memcpy_toio() variants, so we must not call one of the standard
functions.  Provide a separate name for our assembly memcpy() and
memset() functions, and use that instead, thereby bypassing GCC's
ability to optimise these operations.

GCCs optimisation may introduce unaligned accesses which are invalid
for device mappings.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-03 20:46:15 +01:00
..
ashldi3.S
ashrdi3.S
backtrace.S
bitops.h
bswapsdi2.S
call_with_stack.S ARM: replace BSYM() with badr assembly macro 2015-05-08 17:33:50 +01:00
changebit.S
clear_user.S
clearbit.S
copy_from_user.S
copy_page.S
copy_template.S
copy_to_user.S
csumipv6.S
csumpartial.S
csumpartialcopy.S
csumpartialcopygeneric.S
csumpartialcopyuser.S
delay-loop.S
delay.c
div64.S
ecard.S
findbit.S
floppydma.S
getuser.S
io-acorn.S
io-readsb.S
io-readsl.S
io-readsw-armv3.S
io-readsw-armv4.S
io-writesb.S
io-writesl.S
io-writesw-armv3.S
io-writesw-armv4.S
lib1funcs.S ARM: lib/lib1funcs.S: fix typo s/substractions/subtractions/ 2015-05-26 15:28:34 +02:00
lshrdi3.S
Makefile
memchr.S
memcpy.S ARM: avoid unwanted GCC memset()/memcpy() optimisations for IO variants 2015-07-03 20:46:15 +01:00
memmove.S
memset.S ARM: avoid unwanted GCC memset()/memcpy() optimisations for IO variants 2015-07-03 20:46:15 +01:00
memzero.S
muldi3.S
putuser.S
setbit.S
strchr.S
strrchr.S
testchangebit.S
testclearbit.S
testsetbit.S
uaccess_with_memcpy.c
ucmpdi2.S
xor-neon.c