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xen: add wc_sec_hi to struct shared_info

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Xen added this in 2015 (Xen 4.6). On x86_64 and Arm it fills what was
previously a 32-bit hole in the generic shared_info structure; on
i386 it had to go at the end of struct arch_shared_info.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
This commit is contained in:
David Woodhouse 2020-12-03 21:02:23 +00:00
parent 13ffb97a3b
commit 42387042ba
2 changed files with 6 additions and 1 deletions
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3
arch/x86/include/asm/xen/interface.h
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@ -182,6 +182,9 @@ struct arch_shared_info {
unsigned long p2m_cr3; /* cr3 value of the p2m address space */
unsigned long p2m_vaddr; /* virtual address of the p2m list */
unsigned long p2m_generation; /* generation count of p2m mapping */
#ifdef CONFIG_X86_32
uint32_t wc_sec_hi;
#endif
};
#endif /* !__ASSEMBLY__ */

4
include/xen/interface/xen.h
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@ -598,7 +598,9 @@ struct shared_info {
* their gettimeofday() syscall on this wallclock-base value.
*/
struct pvclock_wall_clock wc;
#ifndef CONFIG_X86_32
uint32_t wc_sec_hi;
#endif
struct arch_shared_info arch;
};