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authorThomas Gleixner <tglx@linutronix.de>2022-07-28 12:36:35 +0200
committerThomas Gleixner <tglx@linutronix.de>2022-07-28 12:36:35 +0200
commit779fda86bdeb86bad6daa4f0ecf37788dfc26f6c (patch)
tree6445c0ba43c460765b27e62d9d3bec13c2cde674 /tools/testing/selftests/kvm/lib/x86_64/processor.c
parentac165aab469895de059a4a191a2e04ddb5421d0e (diff)
parent2bd1753e8c431fc7475c04ac8d14a4e9930f47f6 (diff)
Merge tag 'irqchip-5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip/genirq updates from Marc Zyngier: * Core code update: - Non-SMP IRQ affinity fixes, allowing UP kernel to behave similarly to SMP ones for the purpose of interrupt affinity - Let irq_set_chip_handler_name_locked() take a const struct irq_chip * - Tidy-up the NOMAP irqdomain API variant - Teach action_show() to use for_each_action_of_desc() - Make irq_chip_request_resources_parent() allow the parent callback to be optional - Remove dynamic allocations from populate_parent_alloc_arg() * New drivers: - Merge the long awaited IRQ support for the LoongArch architecture, with the provisional ACPICA update (to be reverted once the official support lands) - New Renesas RZ/G2L IRQC driver, equipped with its companion GPIO driver * Driver updates - Optimise the hot path operations for the SiFive PLIC, trading the locking for per-CPU priority masking masking operations which are apparently faster - Work around broken PLIC implementations that deal pretty badly with edge-triggered interrupts. Flag two implementations as affected. - Simplify the irq-stm32-exti driver, particularly the table that remaps the interrupts from exti to the GIC, reducing the memory usage - Convert the ocelot irq_chip to being immutable - Check ioremap() return value in the MIPS GIC driver - Move MMP driver init function declarations into the common .h - The obligatory typo fixes Link: https://lore.kernel.org/all/20220727192356.1860546-1-maz@kernel.org
Diffstat (limited to 'tools/testing/selftests/kvm/lib/x86_64/processor.c')
-rw-r--r--tools/testing/selftests/kvm/lib/x86_64/processor.c31
1 files changed, 15 insertions, 16 deletions
diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c
index 33ea5e9955d9..ead7011ee8f6 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c
@@ -158,7 +158,7 @@ static void *virt_get_pte(struct kvm_vm *vm, uint64_t pt_pfn, uint64_t vaddr,
int level)
{
uint64_t *page_table = addr_gpa2hva(vm, pt_pfn << vm->page_shift);
- int index = vaddr >> (vm->page_shift + level * 9) & 0x1ffu;
+ int index = (vaddr >> PG_LEVEL_SHIFT(level)) & 0x1ffu;
return &page_table[index];
}
@@ -167,14 +167,14 @@ static uint64_t *virt_create_upper_pte(struct kvm_vm *vm,
uint64_t pt_pfn,
uint64_t vaddr,
uint64_t paddr,
- int level,
- enum x86_page_size page_size)
+ int current_level,
+ int target_level)
{
- uint64_t *pte = virt_get_pte(vm, pt_pfn, vaddr, level);
+ uint64_t *pte = virt_get_pte(vm, pt_pfn, vaddr, current_level);
if (!(*pte & PTE_PRESENT_MASK)) {
*pte = PTE_PRESENT_MASK | PTE_WRITABLE_MASK;
- if (level == page_size)
+ if (current_level == target_level)
*pte |= PTE_LARGE_MASK | (paddr & PHYSICAL_PAGE_MASK);
else
*pte |= vm_alloc_page_table(vm) & PHYSICAL_PAGE_MASK;
@@ -184,20 +184,19 @@ static uint64_t *virt_create_upper_pte(struct kvm_vm *vm,
* a hugepage at this level, and that there isn't a hugepage at
* this level.
*/
- TEST_ASSERT(level != page_size,
+ TEST_ASSERT(current_level != target_level,
"Cannot create hugepage at level: %u, vaddr: 0x%lx\n",
- page_size, vaddr);
+ current_level, vaddr);
TEST_ASSERT(!(*pte & PTE_LARGE_MASK),
"Cannot create page table at level: %u, vaddr: 0x%lx\n",
- level, vaddr);
+ current_level, vaddr);
}
return pte;
}
-void __virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
- enum x86_page_size page_size)
+void __virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr, int level)
{
- const uint64_t pg_size = 1ull << ((page_size * 9) + 12);
+ const uint64_t pg_size = PG_LEVEL_SIZE(level);
uint64_t *pml4e, *pdpe, *pde;
uint64_t *pte;
@@ -222,20 +221,20 @@ void __virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
* early if a hugepage was created.
*/
pml4e = virt_create_upper_pte(vm, vm->pgd >> vm->page_shift,
- vaddr, paddr, 3, page_size);
+ vaddr, paddr, PG_LEVEL_512G, level);
if (*pml4e & PTE_LARGE_MASK)
return;
- pdpe = virt_create_upper_pte(vm, PTE_GET_PFN(*pml4e), vaddr, paddr, 2, page_size);
+ pdpe = virt_create_upper_pte(vm, PTE_GET_PFN(*pml4e), vaddr, paddr, PG_LEVEL_1G, level);
if (*pdpe & PTE_LARGE_MASK)
return;
- pde = virt_create_upper_pte(vm, PTE_GET_PFN(*pdpe), vaddr, paddr, 1, page_size);
+ pde = virt_create_upper_pte(vm, PTE_GET_PFN(*pdpe), vaddr, paddr, PG_LEVEL_2M, level);
if (*pde & PTE_LARGE_MASK)
return;
/* Fill in page table entry. */
- pte = virt_get_pte(vm, PTE_GET_PFN(*pde), vaddr, 0);
+ pte = virt_get_pte(vm, PTE_GET_PFN(*pde), vaddr, PG_LEVEL_4K);
TEST_ASSERT(!(*pte & PTE_PRESENT_MASK),
"PTE already present for 4k page at vaddr: 0x%lx\n", vaddr);
*pte = PTE_PRESENT_MASK | PTE_WRITABLE_MASK | (paddr & PHYSICAL_PAGE_MASK);
@@ -243,7 +242,7 @@ void __virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
void virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr)
{
- __virt_pg_map(vm, vaddr, paddr, X86_PAGE_SIZE_4K);
+ __virt_pg_map(vm, vaddr, paddr, PG_LEVEL_4K);
}
static uint64_t *_vm_get_page_table_entry(struct kvm_vm *vm, int vcpuid,