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authorJoseph Myers <joseph@codesourcery.com>2018-11-07 16:27:35 +0000
committerJoseph Myers <joseph@codesourcery.com>2018-11-07 16:27:35 +0000
commit596cc360aa9f0484d6621fd9dfa5de83c3a24dc5 (patch)
tree429562abeb09809b004957798b71a3603c474d3a /sysdeps/i386/dl-tlsdesc.h
parent00c86a37d1b63044e3169d1f2ebec23447c73f79 (diff)
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Fix __ASSUME_MLOCK2 for ARM, MicroBlaze (bug 23867).
The generic kernel-features.h defines __ASSUME_MLOCK2 for 4.4 and
later kernels.  However, for 32-bit ARM binaries running on 64-bit ARM
kernels, and for MicroBlaze, the syscall was only wired up in the 4.7
kernel.  (32-bit ARM kernels did have the syscall from 4.4 onwards.)
This patch duly arranges for the macro to be undefined for those
architectures for kernels before 4.7.

Tested with build-many-glibcs.py for its ARM and MicroBlaze
configurations.

	[BZ #23867]
	* sysdeps/unix/sysv/linux/arm/kernel-features.h
	[__LINUX_KERNEL_VERSION < 0x040700] (__ASSUME_MLOCK2): Undefine.
	* sysdeps/unix/sysv/linux/microblaze/kernel-features.h
	[__LINUX_KERNEL_VERSION < 0x040700] (__ASSUME_MLOCK2): Undefine.
Diffstat (limited to 'sysdeps/i386/dl-tlsdesc.h')
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