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Differential D34441 Diff 103495 sys/amd64/amd64/machdep.c

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sys/amd64/amd64/machdep.c

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#ifdef XENHVM #ifdef XENHVM
setidt(IDT_EVTCHN, pti ? &IDTVEC(xen_intr_upcall_pti) : setidt(IDT_EVTCHN, pti ? &IDTVEC(xen_intr_upcall_pti) :
&IDTVEC(xen_intr_upcall), SDT_SYSIGT, SEL_KPL, 0); &IDTVEC(xen_intr_upcall), SDT_SYSIGT, SEL_KPL, 0);
#endif #endif
r_idt.rd_limit = sizeof(idt0) - 1; r_idt.rd_limit = sizeof(idt0) - 1;
r_idt.rd_base = (long) idt; r_idt.rd_base = (long) idt;
lidt(&r_idt); lidt(&r_idt);
finishidentcpu(); /* Final stage of CPU initialization */
/* /*
* Initialize the clock before the console so that console * Initialize the clock before the console so that console
* initialization can use DELAY(). * initialization can use DELAY().
*/ */
clock_init(); clock_init();
markjUnsubmitted
Not Done
Inline Actions

A more conservative approach is to move the clock_init() call instead, but ok.

markj: A more conservative approach is to move the clock_init() call instead, but ok.
/* /*
* Use vt(4) by default for UEFI boot (during the sc(4)/vt(4) * Use vt(4) by default for UEFI boot (during the sc(4)/vt(4)
* transition). * transition).
* Once bootblocks have updated, we can test directly for * Once bootblocks have updated, we can test directly for
* efi_systbl != NULL here... * efi_systbl != NULL here...
*/ */
if (efi_boot) if (efi_boot)
Show All 11 Lines#endif
TUNABLE_INT_FETCH("hw.mds_disable", &hw_mds_disable); TUNABLE_INT_FETCH("hw.mds_disable", &hw_mds_disable);
TUNABLE_INT_FETCH("machdep.mitigations.mds.disable", &hw_mds_disable); TUNABLE_INT_FETCH("machdep.mitigations.mds.disable", &hw_mds_disable);
TUNABLE_INT_FETCH("machdep.mitigations.taa.enable", &x86_taa_enable); TUNABLE_INT_FETCH("machdep.mitigations.taa.enable", &x86_taa_enable);
TUNABLE_INT_FETCH("machdep.mitigations.rndgs.enable", TUNABLE_INT_FETCH("machdep.mitigations.rndgs.enable",
&x86_rngds_mitg_enable); &x86_rngds_mitg_enable);
finishidentcpu(); /* Final stage of CPU initialization */
initializecpu(); /* Initialize CPU registers */ initializecpu(); /* Initialize CPU registers */
amd64_bsp_ist_init(pc); amd64_bsp_ist_init(pc);
/* Set the IO permission bitmap (empty due to tss seg limit) */ /* Set the IO permission bitmap (empty due to tss seg limit) */
pc->pc_common_tss.tss_iobase = sizeof(struct amd64tss) + pc->pc_common_tss.tss_iobase = sizeof(struct amd64tss) +
IOPERM_BITMAP_SIZE; IOPERM_BITMAP_SIZE;
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