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hv:move forward the initialization for iommu & ptdev 

move 'init_iommu()' & 'ptdev_init()' before starting
all secondary cores to avoid access uninitialized resource
in partition mode.

Tracked-On: #1842
Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Mingqiang Chi 2019-03-01 09:33:35 +08:00 committed by Xie, Nanlin
parent bc107105f8
commit 308d4e8c4e
2 changed files with 7 additions and 12 deletions
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7
hypervisor/arch/x86/cpu.c
View File

@ -10,6 +10,7 @@
#include <page.h>
#include <e820.h>
#include <mmu.h>
#include <vtd.h>
#include <lapic.h>
#include <per_cpu.h>
#include <cpufeatures.h>
@ -214,6 +215,12 @@ void init_cpu_post(uint16_t pcpu_id)
setup_posted_intr_notification();
init_pci_pdev_list();
if (init_iommu() != 0) {
panic("failed to initialize iommu!");
}
ptdev_init();
/* Start all secondary cores */
startup_paddr = prepare_trampoline();
start_cpus();

12
hypervisor/arch/x86/init.c
View File

@ -47,16 +47,6 @@ static void init_debug_post(uint16_t pcpu_id)
profiling_setup();
}
/*TODO: move into pass-thru module */
static void init_passthru(void)
{
if (init_iommu() != 0) {
panic("failed to initialize iommu!");
}
ptdev_init();
}
/*TODO: move into guest-vcpu module */
static void enter_guest_mode(uint16_t pcpu_id)
{
@ -81,8 +71,6 @@ static void init_primary_cpu_post(void)
init_debug_post(BOOT_CPU_ID);
init_passthru();
enter_guest_mode(BOOT_CPU_ID);
}