kernel_optimize_test/arch
Suresh Siddha 3c1c7f1014 x86, xsave: dynamically allocate sigframes fpstate instead of static allocation
dynamically allocate fpstate on the stack, instead of static allocation
in the current sigframe layout on the user stack. This will allow the
fpstate structure to grow in the future, which includes extended state
information supporting xsave/xrstor.

signal handlers will be able to access the fpstate pointer from the
sigcontext structure asusual, with no change. For the non RT sigframe's
(which are supported only for 32bit apps), current static fpstate layout
in the sigframe will be unused(so that we don't change the extramask[]
offset in the sigframe and thus prevent breaking app's which modify
extramask[]).

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-30 19:49:25 +02:00
..
alpha [PATCH] sanitize __user_walk_fd() et.al. 2008-07-26 20:53:34 -04:00
arm Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2008-07-28 18:14:24 -07:00
avr32 avr32: some mmc/sd cleanups 2008-07-27 13:57:36 +02:00
blackfin Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 2008-07-26 13:23:17 -07:00
cris Merge branch 'linus' into core/generic-dma-coherent 2008-07-29 00:07:55 +02:00
frv frv: use generic show_mem() 2008-07-26 12:00:11 -07:00
h8300 h8300: use generic show_mem() 2008-07-26 12:00:11 -07:00
ia64 KVM: ia64: Fix irq disabling leak in error handling code 2008-07-27 11:35:32 +03:00
m32r m32r: use generic show_mem() 2008-07-26 12:00:11 -07:00
m68k m68k: use generic show_mem() 2008-07-26 12:00:11 -07:00
m68knommu m68knommu: use generic show_mem() 2008-07-26 12:00:11 -07:00
mips mips: use generic show_mem() 2008-07-26 12:00:11 -07:00
mn10300 mn10300: use generic show_mem() 2008-07-26 12:00:11 -07:00
parisc [PATCH] sanitize __user_walk_fd() et.al. 2008-07-26 20:53:34 -04:00
powerpc powerpc: Disable 64K hugetlb support when doing 64K SPU mappings 2008-07-28 16:30:53 +10:00
s390 stop_machine: Wean existing callers off stop_machine_run() 2008-07-28 12:16:31 +10:00
sh Merge branch 'linus' into core/generic-dma-coherent 2008-07-29 00:07:55 +02:00
sparc sparc: Set CONFIG_HAVE_ARCH_TRACEHOOK 2008-07-27 17:34:02 -07:00
sparc64 sparc64: tracehook: CONFIG_HAVE_ARCH_TRACEHOOK 2008-07-27 17:33:07 -07:00
um um: use generic show_mem() 2008-07-26 12:00:10 -07:00
x86 x86, xsave: dynamically allocate sigframes fpstate instead of static allocation 2008-07-30 19:49:25 +02:00
xtensa xtensa: use generic show_mem() 2008-07-26 12:00:10 -07:00
.gitignore
Kconfig tracehook: CONFIG_HAVE_ARCH_TRACEHOOK 2008-07-26 12:00:09 -07:00