11787 Kernel needs to be built with retpolines
11788 Kernel needs to generally use RSB stuffing
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: John Levon <john.levon@joyent.com>

@@ -87,11 +87,11 @@
             SCR_REG, SCR_REGB);
         CALC_TABLE_ADDR(SCR_REG, SPD_HANDLER);
         mov     %rcx, SYSCALL_REG; /* save orig return addr in syscall_reg */
         mov     SCR_REG, %rcx;  /* place new return addr in %rcx */
         mov     %gs:CPU_RTMP_R15, SCR_REG; /* restore scratch register */
-        call    *x86_md_clear           /* Flush micro-arch state */
+        call    x86_md_clear            /* Flush micro-arch state */
         mov     V_SSP(SP_REG), SP_REG   /* restore user stack pointer */
         jmp     nopop_sys_syscall32_swapgs_sysretl
 9:
         retq
 SET_SIZE(XXX_brand_syscall32_callback)

@@ -107,11 +107,11 @@
             SCR_REG, SCR_REGB);
         CALC_TABLE_ADDR(SCR_REG, SPD_HANDLER);
         mov     %rcx, SYSCALL_REG; /* save orig return addr in syscall_reg */
         mov     SCR_REG, %rcx;  /* place new return addr in %rcx */
         mov     %gs:CPU_RTMP_R15, SCR_REG; /* restore scratch register */
-        call    *x86_md_clear           /* Flush micro-arch state */
+        call    x86_md_clear            /* Flush micro-arch state */
         mov     V_SSP(SP_REG), SP_REG   /* restore user stack pointer */
         jmp     nopop_sys_syscall_swapgs_sysretq
 9:
         retq
 SET_SIZE(XXX_brand_syscall_callback)