Differential D29351 Diff 92866 sys/x86/include/xen/xen-os.h

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sys/x86/include/xen/xen-os.h

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	* DEALINGS IN THE SOFTWARE.			* DEALINGS IN THE SOFTWARE.
	*			*
	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#ifndef _MACHINE_X86_XEN_XEN_OS_H_			#ifndef _MACHINE_X86_XEN_XEN_OS_H_
	#define _MACHINE_X86_XEN_XEN_OS_H_			#define _MACHINE_X86_XEN_XEN_OS_H_

				/* Shared memory needs write-back as its cache attribute for coherency. */
				#define VM_MEMATTR_XEN VM_MEMATTR_WRITE_BACK
				roygerUnsubmitted Done Inline Actions Better use VM_MEMATTR_WRITE_BACK explicitly here. Not that I think the default will ever change, but better be safe than sorry. royger: Better use VM_MEMATTR_WRITE_BACK explicitly here. Not that I think the default will ever change…
				ehem_freebsd_m5p.comAuthorUnsubmitted Done Inline Actions Notice where this is, this is sys/x86/include/xen/xen-os.h. This is preserving existing behavior for x86. Though you could want to change the behavior for x86. The commit for sys/arm64/include/xen/xen-os.h was separate. ehem_freebsd_m5p.com: Notice where this is, this is sys/x86/include/xen/xen-os.h. This is preserving existing…
				mhorneUnsubmitted Not Done Inline Actions `VM_MEMATTR_DEFAULT` is defined as `VM_MEMATTR_WRITE_BACK` so there is no behaviour change by using one or the other. mhorne: `VM_MEMATTR_DEFAULT` is defined as `VM_MEMATTR_WRITE_BACK` so there is no behaviour change by…

	/* Everything below this point is not included by assembler (.S) files. */			/* Everything below this point is not included by assembler (.S) files. */
	#ifndef __ASSEMBLY__			#ifndef __ASSEMBLY__

	/* If non-zero, the hypervisor has been configured to use a direct vector */			/* If non-zero, the hypervisor has been configured to use a direct vector */
	extern int xen_vector_callback_enabled;			extern int xen_vector_callback_enabled;

	#endif /* !__ASSEMBLY__ */			#endif /* !__ASSEMBLY__ */

	#endif /* _MACHINE_X86_XEN_XEN_OS_H_ */			#endif /* _MACHINE_X86_XEN_XEN_OS_H_ */