xref: /linux/arch/x86/um/shared/sysdep/stub-data.h (revision cfc4ca8986bb1f6182da6cd7bb57f228590b4643)
1*dac494bfSBenjamin Berg /* SPDX-License-Identifier: GPL-2.0 */
2*dac494bfSBenjamin Berg #ifndef __ARCH_STUB_DATA_H
3*dac494bfSBenjamin Berg #define __ARCH_STUB_DATA_H
4*dac494bfSBenjamin Berg 
5*dac494bfSBenjamin Berg #ifdef __i386__
6*dac494bfSBenjamin Berg #include <generated/asm-offsets.h>
7*dac494bfSBenjamin Berg #include <asm/ldt.h>
8*dac494bfSBenjamin Berg 
9*dac494bfSBenjamin Berg struct stub_data_arch {
10*dac494bfSBenjamin Berg 	int sync;
11*dac494bfSBenjamin Berg 	struct user_desc tls[UM_KERN_GDT_ENTRY_TLS_ENTRIES];
12*dac494bfSBenjamin Berg };
13*dac494bfSBenjamin Berg #else
14*dac494bfSBenjamin Berg #define STUB_SYNC_FS_BASE (1 << 0)
15*dac494bfSBenjamin Berg #define STUB_SYNC_GS_BASE (1 << 1)
16*dac494bfSBenjamin Berg struct stub_data_arch {
17*dac494bfSBenjamin Berg 	int sync;
18*dac494bfSBenjamin Berg 	unsigned long fs_base;
19*dac494bfSBenjamin Berg 	unsigned long gs_base;
20*dac494bfSBenjamin Berg };
21*dac494bfSBenjamin Berg #endif
22*dac494bfSBenjamin Berg 
23*dac494bfSBenjamin Berg #endif /* __ARCH_STUB_DATA_H */
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