IPI TLB shootdowns

2026-10-18 21:29:47 +02:00
parent 7aaf953a1c
commit 70ca5115df
7 changed files with 107 additions and 59 deletions
@@ -5,6 +5,7 @@
 #include <zinnia/spin.h>
 #include <zinnia/utils.h>
 #include <bits/pmap.h>
+#include <config.h>

 struct percpu;

@@ -39,13 +40,16 @@ errno_t pmap_extract(struct pmap* pt, uintptr_t vaddr, phys_t* out);
 void pmap_destroy(struct pmap* pt);
 void pmap_set(struct pmap* pt);
 void pmap_shootdown(struct pmap* pt);
-void pmap_shootdown_handle();

 void pte_clear(pte_t* pte);
+void pte_write(pte_t* pte, pte_t val);
 void pte_flush(uintptr_t vaddr);
 void pte_flush_all();
+#if CONFIG_HAVE_TLB_SHOOTDOWN_IPI
+void pmap_shootdown_handle();
 void pte_shootdown_kick(struct percpu* cpu);
+#endif
 pte_t pte_build(phys_t addr, enum pte_flags flags, enum cache_mode cache);
+pte_t pte_protect(pte_t old, enum pte_flags flags);
 bool pte_is_present(pte_t* pte);
-bool pte_is_dir(pte_t* pte);
 phys_t pte_address(pte_t* pte);