Al Viro 1f36cd05e0 sparc32: fix a braino in fault handling in csum_and_copy_..._user() ... Fault handler used to make non-trivial calls, so it needed to set a stack frame up. Used to be save ... - grab a stack frame, old %o... become %i... .... ret - go back to address originally in %o7, currently %i7 restore - switch to previous stack frame, in delay slot Non-trivial calls had been gone since ab5e8b3312 and that code should have become retl - go back to address in %o7 clr %o0 - have return value set to 0 What it had become instead was ret - go back to address in %i7 - return address of *caller* clr %o0 - have return value set to 0 which is not good, to put it mildly - we forcibly return 0 from csum_and_copy_{from,to}_iter() (which is what the call of that thing had been inlined into) and do that without dropping the stack frame of said csum_and_copy_..._iter(). Confuses the hell out of the caller of csum_and_copy_..._iter(), obviously... Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Fixes: ab5e8b3312 "sparc32: propagate the calling conventions change down to __csum_partial_copy_sparc_generic()" Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>		2023-10-27 20:06:06 -04:00
..
GENbzero.S	…
GENcopy_from_user.S	…
GENcopy_to_user.S	…
GENmemcpy.S	…
GENpage.S	…
GENpatch.S	…
M7copy_from_user.S	…
M7copy_to_user.S	…
M7memcpy.S	…
M7memset.S	…
M7patch.S	…
Makefile	…
Memcpy_utils.S	…
NG2copy_from_user.S	…
NG2copy_to_user.S	…
NG2memcpy.S	…
NG2patch.S	…
NG4clear_page.S	…
NG4copy_from_user.S	…
NG4copy_page.S	…
NG4copy_to_user.S	…
NG4fls.S	…
NG4memcpy.S	…
NG4memset.S	…
NG4patch.S	…
NGbzero.S	…
NGcopy_from_user.S	…
NGcopy_to_user.S	…
NGmemcpy.S	sparc64: remove CONFIG_SET_FS support	2022-02-25 09:36:06 +01:00
NGpage.S	…
NGpatch.S	…
PeeCeeI.c	…
U1copy_from_user.S	…
U1copy_to_user.S	…
U1memcpy.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
U3copy_from_user.S	…
U3copy_to_user.S	…
U3memcpy.S	…
U3patch.S	…
VISsave.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
ashldi3.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
ashrdi3.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
atomic32.c	bitops: wrap non-atomic bitops with a transparent macro	2022-06-30 19:52:41 -07:00
atomic_64.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
bitext.c	…
bitops.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
blockops.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
bzero.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
checksum_32.S	sparc32: fix a braino in fault handling in csum_and_copy_..._user()	2023-10-27 20:06:06 -04:00
checksum_64.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
clear_page.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
cmpdi2.c	…
copy_in_user.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
copy_page.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
copy_user.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
csum_copy.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
csum_copy_from_user.S	sparc64: propagate the calling convention changes down to __csum_partial_copy_...()	2020-08-20 15:45:21 -04:00
csum_copy_to_user.S	sparc64: propagate the calling convention changes down to __csum_partial_copy_...()	2020-08-20 15:45:21 -04:00
divdi3.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
ffs.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
fls.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
fls64.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
hweight.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
iomap.c	sparc64: fix pci_iounmap() when CONFIG_PCI is not set	2021-09-20 10:56:32 -07:00
ipcsum.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
libgcc.h	…
locks.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
lshrdi3.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
mcount.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
memcmp.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
memcpy.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
memmove.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
memscan_32.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
memscan_64.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
memset.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
muldi3.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
multi3.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
strlen.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
strncmp_32.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
strncmp_64.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00
ucmpdi2.c	…
udivdi3.S	…
xor.S	sparc: replace #include <asm/export.h> with #include <linux/export.h>	2023-08-22 18:12:25 +09:00