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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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5393744b71
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>
13 lines
369 B
Makefile
13 lines
369 B
Makefile
ifdef CONFIG_FUNCTION_TRACER
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# Do not profile debug and lowlevel utilities
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CFLAGS_REMOVE_spinlock.o = -pg
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CFLAGS_REMOVE_time.o = -pg
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CFLAGS_REMOVE_irq.o = -pg
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endif
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obj-y := enlighten.o setup.o multicalls.o mmu.o irq.o \
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time.o xen-asm.o xen-asm_$(BITS).o \
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grant-table.o suspend.o
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obj-$(CONFIG_SMP) += smp.o spinlock.o
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obj-$(CONFIG_XEN_DEBUG_FS) += debugfs.o
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