aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/Makefile
diff options
context:
space:
mode:
authorSuresh Siddha <suresh.b.siddha@intel.com>2008-03-10 18:28:04 -0400
committerIngo Molnar <mingo@elte.hu>2008-04-19 13:19:55 -0400
commit61c4628b538608c1a85211ed8438136adfeb9a95 (patch)
tree290a695299a363153bc692e6d705ac680d64359e /arch/x86/kernel/Makefile
parentfa5c4639419668cbb18ca3d20c1253559a3b43ae (diff)
x86, fpu: split FPU state from task struct - v5
Split the FPU save area from the task struct. This allows easy migration of FPU context, and it's generally cleaner. It also allows the following two optimizations: 1) only allocate when the application actually uses FPU, so in the first lazy FPU trap. This could save memory for non-fpu using apps. Next patch does this lazy allocation. 2) allocate the right size for the actual cpu rather than 512 bytes always. Patches enabling xsave/xrstor support (coming shortly) will take advantage of this. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/Makefile')
-rw-r--r--arch/x86/kernel/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index c3920ea8ac56..7a2a2e93e84b 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_X86_64) += pci-nommu_64.o bugs_64.o
29obj-y += tsc_$(BITS).o io_delay.o rtc.o 29obj-y += tsc_$(BITS).o io_delay.o rtc.o
30 30
31obj-$(CONFIG_X86_TRAMPOLINE) += trampoline.o 31obj-$(CONFIG_X86_TRAMPOLINE) += trampoline.o
32obj-y += process.o
32obj-y += i387.o 33obj-y += i387.o
33obj-y += ptrace.o 34obj-y += ptrace.o
34obj-y += ds.o 35obj-y += ds.o