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Fix __ASSUME_PSELECT for MicroBlaze (bug 16642).

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Reviewing (for all architectures, with a baseline kernel version of
2.6.32) the kernel support for features for which __ASSUME_* macros
would be affected by a move to 2.6.32 as minimum kernel version showed
up that __ASSUME_PSELECT was wrongly defined for MicroBlaze, despite
the corresponding syscall table entry not being wired up in the
MicroBlaze kernel.

This patch makes the MicroBlaze kernel-features.h undefine
__ASSUME_PSELECT.  I'd also encourage wiring it up in the kernel (so
you can then make this #undef conditional, and eventually obsolete
once a recent-enough kernel is required).  I suspect it wasn't wired
up because of the mistaken comment in asm/unistd.h "obsolete ->
sys_pselect7" (there is no such syscall as pselect7).

	[BZ #16642]
	* sysdeps/unix/sysv/linux/microblaze/kernel-features.h
	(__ASSUME_PSELECT): Undefine.
This commit is contained in:
Joseph Myers 2014-03-12 17:29:24 +00:00
parent dd3946c615
commit abe6d90cc8
3 changed files with 11 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2014-03-12 Joseph Myers <joseph@codesourcery.com>
[BZ #16642]
* sysdeps/unix/sysv/linux/microblaze/kernel-features.h
(__ASSUME_PSELECT): Undefine.
2014-03-12 Adhemerval Zanella <azanella@linux.vnet.ibm.com> 2014-03-12 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
[BZ #16689] [BZ #16689]

4
NEWS
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@ -10,8 +10,8 @@ Version 2.20
* The following bugs are resolved with this release: * The following bugs are resolved with this release:
15347, 15804, 15894, 16447, 16532, 16545, 16574, 16600, 16609, 16610, 15347, 15804, 15894, 16447, 16532, 16545, 16574, 16600, 16609, 16610,
16611, 16613, 16623, 16632, 16639, 16670, 16674, 16677, 16683, 16689, 16611, 16613, 16623, 16632, 16639, 16642, 16670, 16674, 16677, 16683,
16695. 16689, 16695.
* The am33 port, which had not worked for several years, has been removed * The am33 port, which had not worked for several years, has been removed
from ports. from ports.

3
sysdeps/unix/sysv/linux/microblaze/kernel-features.h
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@ -42,3 +42,6 @@
#endif #endif
#include_next <kernel-features.h> #include_next <kernel-features.h>
/* The MicroBlaze kernel does not support the pselect6 syscall. */
#undef __ASSUME_PSELECT