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IPI: use logical CPU ids in ihk_mc_interrupt_cpu()

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Also make remote TLB invalidation arch independent,
removes POSTK_DEBUG_ARCH_DEP_8.

Change-Id: I2b0fbcfa2bfe5da07607863e3e772d8e892e8525
This commit is contained in:
Balazs Gerofi
2019-03-19 16:33:28 +09:00
committed by Dominique Martinet
parent 2cee82673b
commit de042b2cb2
9 changed files with 29 additions and 191 deletions
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7
arch/arm64/kernel/cpu.c
View File

@ -32,6 +32,7 @@
#include <ihk/debug.h>
#include <hwcap.h>
#include <virt.h>
#include <init.h>
//#define DEBUG_PRINT_CPU
@ -1346,11 +1347,15 @@ int ihk_mc_arch_get_special_register(enum ihk_asr_type type,
}
/*@
@ requires \valid_apicid(cpu); // valid APIC ID or not
@ requires \valid_cpuid(cpu); // valid CPU logical ID
@ ensures \result == 0
@*/
int ihk_mc_interrupt_cpu(int cpu, int vector)
{
if (cpu < 0 || cpu >= num_processors) {
kprintf("%s: invalid CPU id: %d\n", __func__, cpu);
return -1;
}
dkprintf("[%d] ihk_mc_interrupt_cpu: %d\n", ihk_mc_get_processor_id(), cpu);
(*arm64_issue_ipi)(cpu, vector);
return 0;

38
arch/arm64/kernel/memory.c
View File

@ -3715,44 +3715,6 @@ translation_table_t* get_translation_table_as_paddr(const struct page_table *pt)
return pt->tt_pa;
}
#ifdef POSTK_DEBUG_ARCH_DEP_8
void remote_flush_tlb_cpumask(struct process_vm *vm,
unsigned long addr, int cpu_id)
{
unsigned long cpu;
cpu_set_t _cpu_set;
int flush_ind;
if (addr) {
flush_ind = (addr >> PAGE_SHIFT) % IHK_TLB_FLUSH_IRQ_VECTOR_SIZE;
}
/* Zero address denotes full TLB flush */
else {
/* Random.. */
flush_ind = (rdtsc()) % IHK_TLB_FLUSH_IRQ_VECTOR_SIZE;
}
/* Take a copy of the cpu set so that we don't hold the lock
* all the way while interrupting other cores */
ihk_mc_spinlock_lock_noirq(&vm->address_space->cpu_set_lock);
memcpy(&_cpu_set, &vm->address_space->cpu_set, sizeof(cpu_set_t));
ihk_mc_spinlock_unlock_noirq(&vm->address_space->cpu_set_lock);
/* Loop through CPUs in this address space and interrupt them for
* TLB flush on the specified address */
for_each_set_bit(cpu, (const unsigned long*)&_cpu_set.__bits, CPU_SETSIZE) {
if (ihk_mc_get_processor_id() == cpu)
continue;
dkprintf("remote_flush_tlb_cpumask: flush_ind: %d, addr: 0x%lX, interrupting cpu: %d\n",
flush_ind, addr, cpu);
ihk_mc_interrupt_cpu(cpu,
ihk_mc_get_vector(flush_ind + IHK_TLB_FLUSH_IRQ_VECTOR_START));
}
}
#endif /* POSTK_DEBUG_ARCH_DEP_8 */
void arch_adjust_allocate_page_size(struct page_table *pt,
uintptr_t fault_addr,
pte_t *ptep,