#ifndef __XEN_PUBLIC_XENPMU_H__ #define __XEN_PUBLIC_XENPMU_H__ #include "xen.h" #define XENPMU_VER_MAJ 0 #define XENPMU_VER_MIN 1 /* * ` enum neg_errnoval * ` HYPERVISOR_xenpmu_op(enum xenpmu_op cmd, struct xenpmu_params *args); * * @cmd == XENPMU_* (PMU operation) * @args == struct xenpmu_params */ /* ` enum xenpmu_op { */ #define XENPMU_mode_get 0 /* Also used for getting PMU version */ #define XENPMU_mode_set 1 #define XENPMU_feature_get 2 #define XENPMU_feature_set 3 #define XENPMU_init 4 #define XENPMU_finish 5 #define XENPMU_lvtpc_set 6 #define XENPMU_flush 7 /* ` } */ /* Parameters structure for HYPERVISOR_xenpmu_op call */ struct xen_pmu_params { /* IN/OUT parameters */ struct { uint32_t maj; uint32_t min; } version; uint64_t val; /* IN parameters */ uint32_t vcpu; uint32_t pad; }; /* PMU modes: * - XENPMU_MODE_OFF: No PMU virtualization * - XENPMU_MODE_SELF: Guests can profile themselves * - XENPMU_MODE_HV: Guests can profile themselves, dom0 profiles * itself and Xen * - XENPMU_MODE_ALL: Only dom0 has access to VPMU and it profiles * everyone: itself, the hypervisor and the guests. */ #define XENPMU_MODE_OFF 0 #define XENPMU_MODE_SELF (1<<0) #define XENPMU_MODE_HV (1<<1) #define XENPMU_MODE_ALL (1<<2) /* * PMU features: * - XENPMU_FEATURE_INTEL_BTS: Intel BTS support (ignored on AMD) */ #define XENPMU_FEATURE_INTEL_BTS 1 /* * Shared PMU data between hypervisor and PV(H) domains. * * The hypervisor fills out this structure during PMU interrupt and sends an * interrupt to appropriate VCPU. * Architecture-independent fields of xen_pmu_data are WO for the hypervisor * and RO for the guest but some fields in xen_pmu_arch can be writable * by both the hypervisor and the guest (see arch-$arch/pmu.h). */ struct xen_pmu_data { /* Interrupted VCPU */ uint32_t vcpu_id; /* * Physical processor on which the interrupt occurred. On non-privileged * guests set to vcpu_id; */ uint32_t pcpu_id; /* * Domain that was interrupted. On non-privileged guests set to * DOMID_SELF. * On privileged guests can be DOMID_SELF, DOMID_XEN, or, when in * XENPMU_MODE_ALL mode, domain ID of another domain. */ domid_t domain_id; uint8_t pad[6]; /* Architecture-specific information */ struct xen_pmu_arch pmu; }; #endif /* __XEN_PUBLIC_XENPMU_H__ */ 'range'>range
path: root/arch/mips/pci/Makefile
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authorJungseung Lee <js07.lee@samsung.com>2016-12-12 16:46:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 18:55:10 -0800
commit39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e (patch)
tree34df14285ce89f83a93f6053a897bcd371dc1e15 /arch/mips/pci/Makefile
parent30f74aa0854c2d5a331b507b14fe421ba4980511 (diff)
init: reduce rootwait polling interval time to 5ms
For several devices, the rootwait time is sensitive because it directly affects booting time. The polling interval of rootwait is currently 100ms. To save unnessesary waiting time, reduce the polling interval to 5 ms. [akpm@linux-foundation.org: remove used-once #define] Link: http://lkml.kernel.org/r/20161207060743.1728-1-js07.lee@samsung.com Signed-off-by: Jungseung Lee <js07.lee@samsung.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/mips/pci/Makefile')