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scheduler: continue work

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Matheus
2025-08-23 13:54:45 -03:00
parent 1787658989
commit 7a890ac41d
13 changed files with 197 additions and 33 deletions
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kernel-src/arch/x86-64/mmu.c
+3 -3
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@@ -210,7 +210,7 @@ static int shootdown_remaining = 0;
static inline void do_invalidate(void *page, size_t size) {
// if a full reload was requested or we are doing a big release on
if (page == NULL || size >= 128 * PAGE_SIZE) {
if (page == NULL || size >= 32 * PAGE_SIZE) {
// TODO if global pages are ever supported, we should disable them in CR4, flush, and then reenable them
asm volatile("mov %%cr3, %%rax; mov %%rax, %%cr3;" : : : "rax", "memory");
} else {
@@ -251,7 +251,7 @@ void arch_mmu_invalidate_range(void *page, size_t size) {
if (smp_cpus[i] == current_cpu())
continue;
arch_smp_sendipi(smp_cpus[i], &smp_cpus[i]->isr[0xfe], ARCH_SMP_IPI_TARGET, false);
arch_smp_send_ipi(smp_cpus[i], &smp_cpus[i]->isr[0xfe], ARCH_SMP_IPI_TARGET, false);
}
}
@@ -326,7 +326,7 @@ static void pfisr(isr_t *self, context_t *ctx) {
static void gpfisr(isr_t *self, context_t *ctx) {
thread_t *thread = current_thread();
if (thread->usercopyctx) {
if (thread && thread->usercopyctx) {
memcpy(ctx, thread->usercopyctx, sizeof(context_t));
thread->usercopyctx = NULL;
CTX_RET(ctx) = EFAULT;