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Adding tracepoints to inline functions adds tracepoint invocation code for each instance where the function is inlined. The resulting increase in kernel code size can have negative impact: - More cache misses in instruction cache - Reduced amount of DMA-capable memory Therefore change all functions implementing I/O instructions from inline to normal functions. Bloat-o-meter summary after change (using performance_defconfig): add/remove: 24/2 grow/shrink: 4/39 up/down: 2205/-4858 (-2653) Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
20 lines
637 B
Makefile
20 lines
637 B
Makefile
#
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# Makefile for the S/390 common i/o drivers
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#
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# The following is required for define_trace.h to find ./trace.h
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CFLAGS_trace.o := -I$(src)
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obj-y += airq.o blacklist.o chsc.o cio.o css.o chp.o idset.o isc.o \
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fcx.o itcw.o crw.o ccwreq.o trace.o ioasm.o
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ccw_device-objs += device.o device_fsm.o device_ops.o
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ccw_device-objs += device_id.o device_pgid.o device_status.o
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obj-y += ccw_device.o cmf.o
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obj-$(CONFIG_CHSC_SCH) += chsc_sch.o
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obj-$(CONFIG_EADM_SCH) += eadm_sch.o
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obj-$(CONFIG_SCM_BUS) += scm.o
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obj-$(CONFIG_CCWGROUP) += ccwgroup.o
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qdio-objs := qdio_main.o qdio_thinint.o qdio_debug.o qdio_setup.o
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obj-$(CONFIG_QDIO) += qdio.o
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