xref: /OK3568_Linux_fs/kernel/arch/x86/um/asm/desc.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __UM_DESC_H
3*4882a593Smuzhiyun #define __UM_DESC_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun /* Taken from asm-i386/desc.h, it's the only thing we need. The rest wouldn't
6*4882a593Smuzhiyun  * compile, and has never been used. */
7*4882a593Smuzhiyun #define LDT_empty(info) (\
8*4882a593Smuzhiyun 	(info)->base_addr	== 0	&& \
9*4882a593Smuzhiyun 	(info)->limit		== 0	&& \
10*4882a593Smuzhiyun 	(info)->contents	== 0	&& \
11*4882a593Smuzhiyun 	(info)->read_exec_only	== 1	&& \
12*4882a593Smuzhiyun 	(info)->seg_32bit	== 0	&& \
13*4882a593Smuzhiyun 	(info)->limit_in_pages	== 0	&& \
14*4882a593Smuzhiyun 	(info)->seg_not_present	== 1	&& \
15*4882a593Smuzhiyun 	(info)->useable		== 0	)
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #endif
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