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d04c8a563c
This patch is another step towards updating the code to handle the 32-bit kernels which I have not been regularly testing. This changes do not really impact the common case I'm expected which is the latest kernel running on an x86_64 arch. Until the linux-2.6.31 kernel the x86 arch did not have support for 64-bit atomic operations. Additionally, the new atomic_compat.h support for this case was wrong because it embedded a spinlock in the atomic variable which must always and only be 64-bits total. To handle these 32-bit issues we now simply fall back to the --enable-atomic-spinlock implementation if the kernel does not provide the 64-bit atomic funcs. The second issue this patch addresses is the DEBUG_KMEM assumption that there will always be atomic64 funcs available. On 32-bit archs this may not be true, and actually that's just fine. In that case the kernel will will never be able to allocate more the 32-bits worth anyway. So just check if atomic64 funcs are available, if they are not it means this is a 32-bit machine and we can safely use atomic_t's instead.
24 lines
827 B
Makefile
24 lines
827 B
Makefile
# All headers are referenced by this top level Makefile.am are
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# noinst_HEADERS because they are not installed in the usual include
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# location. We do not want to be using $includedir for this.
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# Installation is handled by the custom install-data-local rule.
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noinst_HEADERS = *.h
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noinst_HEADERS += fs/*.h
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noinst_HEADERS += linux/*.h
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noinst_HEADERS += rpc/*.h
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noinst_HEADERS += sharefs/*.h
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noinst_HEADERS += sys/fm/*.h
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noinst_HEADERS += sys/fs/*.h
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noinst_HEADERS += sys/sysevent/*.h
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noinst_HEADERS += sys/*.h
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noinst_HEADERS += util/*.h
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noinst_HEADERS += vm/*.h
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install-data-local:
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destname=spl-$(SPL_META_VERSION)/$(LINUX_VERSION); \
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instdest=$(DESTDIR)/${prefix}/src/$$destname; \
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instfiles=`find . -name '*.h'`; \
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for instfile in $$instfiles; do \
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$(INSTALL) -D $$instfile $$instdest/$$instfile; \
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done
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