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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-12 13:05:36 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-12 13:05:36 -0800 |
commit | c9bed1cf51011c815d88288b774865d013ca78a8 (patch) | |
tree | 77e205b9442338a3d11567d4abcdb8df616979cf /arch/arm/include | |
parent | 75777c1855e10c010c9c3a21611d95dd9be01ab1 (diff) | |
parent | a4cdb556cae05cd3e7b602b3a44c01420c4e2258 (diff) | |
download | op-kernel-dev-c9bed1cf51011c815d88288b774865d013ca78a8.zip op-kernel-dev-c9bed1cf51011c815d88288b774865d013ca78a8.tar.gz |
Merge tag 'for-linus-4.5-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from David Vrabel:
"Xen features and fixes for 4.5-rc0:
- Stolen ticks and PV wallclock support for arm/arm64
- Add grant copy ioctl to gntdev device"
* tag 'for-linus-4.5-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/gntdev: add ioctl for grant copy
x86/xen: don't reset vcpu_info on a cancelled suspend
xen/gntdev: constify mmu_notifier_ops structures
xen/grant-table: constify gnttab_ops structure
xen/time: use READ_ONCE
xen/x86: convert remaining timespec to timespec64 in xen_pvclock_gtod_notify
xen/x86: support XENPF_settime64
xen/arm: set the system time in Xen via the XENPF_settime64 hypercall
xen/arm: introduce xen_read_wallclock
arm: extend pvclock_wall_clock with sec_hi
xen: introduce XENPF_settime64
xen/arm: introduce HYPERVISOR_platform_op on arm and arm64
xen: rename dom0_op to platform_op
xen/arm: account for stolen ticks
arm64: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
missing include asm/paravirt.h in cputime.c
xen: move xen_setup_runstate_info and get_runstate_snapshot to drivers/xen/time.c
Diffstat (limited to 'arch/arm/include')
-rw-r--r-- | arch/arm/include/asm/paravirt.h | 20 | ||||
-rw-r--r-- | arch/arm/include/asm/xen/hypercall.h | 7 | ||||
-rw-r--r-- | arch/arm/include/asm/xen/interface.h | 3 |
3 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/include/asm/paravirt.h b/arch/arm/include/asm/paravirt.h new file mode 100644 index 0000000..8435ff5 --- /dev/null +++ b/arch/arm/include/asm/paravirt.h @@ -0,0 +1,20 @@ +#ifndef _ASM_ARM_PARAVIRT_H +#define _ASM_ARM_PARAVIRT_H + +#ifdef CONFIG_PARAVIRT +struct static_key; +extern struct static_key paravirt_steal_enabled; +extern struct static_key paravirt_steal_rq_enabled; + +struct pv_time_ops { + unsigned long long (*steal_clock)(int cpu); +}; +extern struct pv_time_ops pv_time_ops; + +static inline u64 paravirt_steal_clock(int cpu) +{ + return pv_time_ops.steal_clock(cpu); +} +#endif + +#endif diff --git a/arch/arm/include/asm/xen/hypercall.h b/arch/arm/include/asm/xen/hypercall.h index 712b50e..d769972 100644 --- a/arch/arm/include/asm/xen/hypercall.h +++ b/arch/arm/include/asm/xen/hypercall.h @@ -35,6 +35,7 @@ #include <xen/interface/xen.h> #include <xen/interface/sched.h> +#include <xen/interface/platform.h> long privcmd_call(unsigned call, unsigned long a1, unsigned long a2, unsigned long a3, @@ -49,6 +50,12 @@ int HYPERVISOR_memory_op(unsigned int cmd, void *arg); int HYPERVISOR_physdev_op(int cmd, void *arg); int HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args); int HYPERVISOR_tmem_op(void *arg); +int HYPERVISOR_platform_op_raw(void *arg); +static inline int HYPERVISOR_platform_op(struct xen_platform_op *op) +{ + op->interface_version = XENPF_INTERFACE_VERSION; + return HYPERVISOR_platform_op_raw(op); +} int HYPERVISOR_multicall(struct multicall_entry *calls, uint32_t nr); static inline int diff --git a/arch/arm/include/asm/xen/interface.h b/arch/arm/include/asm/xen/interface.h index 5006600..75d5968 100644 --- a/arch/arm/include/asm/xen/interface.h +++ b/arch/arm/include/asm/xen/interface.h @@ -27,6 +27,8 @@ (hnd).p = val; \ } while (0) +#define __HYPERVISOR_platform_op_raw __HYPERVISOR_platform_op + #ifndef __ASSEMBLY__ /* Explicitly size integers that represent pfns in the interface with * Xen so that we can have one ABI that works for 32 and 64 bit guests. @@ -76,6 +78,7 @@ struct pvclock_wall_clock { u32 version; u32 sec; u32 nsec; + u32 sec_hi; } __attribute__((__packed__)); #endif |