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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-02 13:55:42 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2009-02-04 16:59:04 -0800 |
| commit | 5393744b71ce797f1b1546fafaed127fc50c2b61 (patch) | |
| tree | a974975e907b5e2830721c521965a53c34c10c8b /arch/x86/xen/Makefile | |
| parent | 383414322b3b3ced0cbc146801e0cc6c60a6c5f4 (diff) | |
| download | linux-5393744b71ce797f1b1546fafaed127fc50c2b61.tar.gz linux-5393744b71ce797f1b1546fafaed127fc50c2b61.tar.bz2 linux-5393744b71ce797f1b1546fafaed127fc50c2b61.zip | |
xen: make direct versions of irq_enable/disable/save/restore to common code
Now that x86-64 has directly accessible percpu variables, it can also
implement the direct versions of these operations, which operate on a
vcpu_info structure directly embedded in the percpu area.
In fact, the 64-bit versions are more or less identical, and so can be
shared. The only two differences are:
1. xen_restore_fl_direct takes its argument in eax on 32-bit, and rdi on 64-bit.
Unfortunately it isn't possible to directly refer to the 2nd lsb of rdi directly
(as you can with %ah), so the code isn't quite as dense.
2. check_events needs to variants to save different registers.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/xen/Makefile')
| -rw-r--r-- | arch/x86/xen/Makefile | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index 6dcefba7836f..3b767d03fd6a 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -6,7 +6,8 @@ CFLAGS_REMOVE_irq.o = -pg endif obj-y := enlighten.o setup.o multicalls.o mmu.o irq.o \ - time.o xen-asm_$(BITS).o grant-table.o suspend.o + time.o xen-asm.o xen-asm_$(BITS).o \ + grant-table.o suspend.o obj-$(CONFIG_SMP) += smp.o spinlock.o obj-$(CONFIG_XEN_DEBUG_FS) += debugfs.o
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