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[PATCH] uml: fix epoll 

UML/x86_64 needs the same packing of struct epoll_event as x86_64.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Davide Libenzi <davidel@xmailserver.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Jeff Dike 2007-03-26 21:32:20 -08:00 committed by Linus Torvalds
parent 3899210ad9
commit d75e26a829
1 changed files with 7 additions and 0 deletions
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7
include/linux/eventpoll.h
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@ -31,12 +31,19 @@
/*
* On x86-64 make the 64bit structure have the same alignment as the
* 32bit structure. This makes 32bit emulation easier.
*
* UML/x86_64 needs the same packing as x86_64 - UML + UML_X86 +
* 64_BIT adds up to UML/x86_64.
*/
#ifdef __x86_64__
#define EPOLL_PACKED __attribute__((packed))
#else
#if defined(CONFIG_UML) && defined(CONFIG_UML_X86) && defined(CONFIG_64BIT)
#define EPOLL_PACKED __attribute__((packed))
#else
#define EPOLL_PACKED
#endif
#endif
struct epoll_event {
__u32 events;