kernel-fxtec-pro1x/arch
Tejun Heo d315760ffa x86: fix math_emu register frame access
do_device_not_available() is the handler for #NM and it declares that
it takes a unsigned long and calls math_emu(), which takes a long
argument and surprisingly expects the stack frame starting at the zero
argument would match struct math_emu_info, which isn't true regardless
of configuration in the current code.

This patch makes do_device_not_available() take struct pt_regs like
other exception handlers and initialize struct math_emu_info with
pointer to it and pass pointer to the math_emu_info to math_emulate()
like normal C functions do.  This way, unless gcc makes a copy of
struct pt_regs in do_device_not_available(), the register frame is
correctly accessed regardless of kernel configuration or compiler
used.

This doesn't fix all math_emu problems but it at least gets it
somewhat working.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-10 00:39:14 +01:00
..
alpha alpha: fix the BUG() macro 2009-01-29 18:04:44 -08:00
arm mmc: Add a MX2/MX3 specific SDHC driver 2009-02-02 20:57:05 +01:00
avr32 eeprom: More consistent symbol names 2009-01-26 21:19:57 +01:00
blackfin eeprom: More consistent symbol names 2009-01-26 21:19:57 +01:00
cris
frv
h8300
ia64 Documentation: move DMA-mapping.txt to Doc/PCI/ 2009-01-29 18:19:29 -08:00
m32r eeprom: More consistent symbol names 2009-01-26 21:19:57 +01:00
m68k m68knommu: remove the no longer used PCI support option 2009-01-27 16:42:02 +10:00
m68knommu m68knommu: fix 5329 ColdFire periphal addressing 2009-01-27 16:42:03 +10:00
mips MIPS: Alchemy: time.c build fix 2009-01-30 21:33:01 +00:00
mn10300
parisc Documentation: move DMA-mapping.txt to Doc/PCI/ 2009-01-29 18:19:29 -08:00
powerpc powerpc: Fix oops on some machines due to incorrect pr_debug() 2009-02-02 17:08:25 +11:00
s390 [S390] Add missing compat system call wrappers. 2009-01-23 16:40:29 +01:00
sh Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6 2009-01-26 15:11:41 -08:00
sparc Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6 2009-01-26 15:11:41 -08:00
um
x86 x86: fix math_emu register frame access 2009-02-10 00:39:14 +01:00
xtensa
.gitignore
Kconfig