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OS-7125 Need mitigation of L1TF (CVE-2018-3646)
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>

*** 349,358 **** --- 349,360 ---- kmutex_t t_ctx_lock; /* protects t_ctx in removectx() */ struct waitq *t_waitq; /* wait queue */ kmutex_t t_wait_mutex; /* used in CV wait functions */ char *t_name; /* thread name */ + + uint64_t t_unsafe; /* unsafe to run with HT VCPU thread */ } kthread_t; /* * Thread flag (t_flag) definitions. * These flags must be changed only for the current thread,
*** 411,420 **** --- 413,423 ---- #define TS_SWAPENQ 0x0004 /* swap thread when it reaches a safe point */ #define TS_ON_SWAPQ 0x0008 /* thread is on the swap queue */ #define TS_SIGNALLED 0x0010 /* thread was awakened by cv_signal() */ #define TS_PROJWAITQ 0x0020 /* thread is on its project's waitq */ #define TS_ZONEWAITQ 0x0040 /* thread is on its zone's waitq */ + #define TS_VCPU 0x0080 /* thread will enter guest context */ #define TS_CSTART 0x0100 /* setrun() by continuelwps() */ #define TS_UNPAUSE 0x0200 /* setrun() by unpauselwps() */ #define TS_XSTART 0x0400 /* setrun() by SIGCONT */ #define TS_PSTART 0x0800 /* setrun() by /proc */ #define TS_RESUME 0x1000 /* setrun() by CPR resume process */