/* * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #ifndef __XEN_PUBLIC_HVM_HVM_OP_H__ #define __XEN_PUBLIC_HVM_HVM_OP_H__ /* Get/set subcommands: the second argument of the hypercall is a * pointer to a xen_hvm_param struct. */ #define HVMOP_set_param 0 #define HVMOP_get_param 1 struct xen_hvm_param { domid_t domid; /* IN */ uint32_t index; /* IN */ uint64_t value; /* IN/OUT */ }; DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_param); /* Hint from PV drivers for pagetable destruction. */ #define HVMOP_pagetable_dying 9 struct xen_hvm_pagetable_dying { /* Domain with a pagetable about to be destroyed. */ domid_t domid; /* guest physical address of the toplevel pagetable dying */ aligned_u64 gpa; }; typedef struct xen_hvm_pagetable_dying xen_hvm_pagetable_dying_t; DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_pagetable_dying_t); enum hvmmem_type_t { HVMMEM_ram_rw, /* Normal read/write guest RAM */ HVMMEM_ram_ro, /* Read-only; writes are discarded */ HVMMEM_mmio_dm, /* Reads and write go to the device model */ }; #define HVMOP_get_mem_type 15 /* Return hvmmem_type_t for the specified pfn. */ struct xen_hvm_get_mem_type { /* Domain to be queried. */ domid_t domid; /* OUT variable. */ uint16_t mem_type; uint16_t pad[2]; /* align next field on 8-byte boundary */ /* IN variable. */ uint64_t pfn; }; DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_get_mem_type); #endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */ e
path: root/drivers/usb/musb/tusb6010_omap.c
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authorThomas Gleixner <tglx@linutronix.de>2017-01-31 09:37:34 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-01-31 21:47:58 +0100
commit0becc0ae5b42828785b589f686725ff5bc3b9b25 (patch)
treebe6d0e1f37c38ed0a7dd5da2d4b1e93f0fb43101 /drivers/usb/musb/tusb6010_omap.c
parent24c2503255d35c269b67162c397a1a1c1e02f6ce (diff)
x86/mce: Make timer handling more robust
Erik reported that on a preproduction hardware a CMCI storm triggers the BUG_ON in add_timer_on(). The reason is that the per CPU MCE timer is started by the CMCI logic before the MCE CPU hotplug callback starts the timer with add_timer_on(). So the timer is already queued which triggers the BUG. Using add_timer_on() is pretty pointless in this code because the timer is strictlty per CPU, initialized as pinned and all operations which arm the timer happen on the CPU to which the timer belongs. Simplify the whole machinery by using mod_timer() instead of add_timer_on() which avoids the problem because mod_timer() can handle already queued timers. Use __start_timer() everywhere so the earliest armed expiry time is preserved. Reported-by: Erik Veijola <erik.veijola@intel.com> Tested-by: Borislav Petkov <bp@alien8.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Borislav Petkov <bp@alien8.de> Cc: Tony Luck <tony.luck@intel.com> Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1701310936080.3457@nanos Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/usb/musb/tusb6010_omap.c')