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cpu: change _cpu()->thread calls to current_thread() to fix smp race

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Matheus
2024-09-15 17:47:26 -03:00
parent d1c0f2a5fd
commit e058d62261
65 changed files with 196 additions and 190 deletions
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kernel-src/mm/usercopy.c
+6 -6
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@@ -23,13 +23,13 @@ static void memcpyinternal(context_t *ctx, void *arg) {
// this sets up the thread so that in the next invalid page fault, it will jump to
// this context with CTX_RET set to EFAULT
_cpu()->thread->usercopyctx = ctx;
current_thread()->usercopyctx = ctx;
memcpy(desc->dst, desc->src, desc->size);
// no errors!
CTX_RET(ctx) = 0;
_cpu()->thread->usercopyctx = NULL;
current_thread()->usercopyctx = NULL;
}
static void strleninternal(context_t *ctx, void *arg) {
@@ -37,13 +37,13 @@ static void strleninternal(context_t *ctx, void *arg) {
// this sets up the thread so that in the next invalid page fault, it will jump to
// this context with CTX_RET set to EFAULT
_cpu()->thread->usercopyctx = ctx;
current_thread()->usercopyctx = ctx;
*desc->size = strlen(desc->str);
// no errors!
CTX_RET(ctx) = 0;
_cpu()->thread->usercopyctx = NULL;
current_thread()->usercopyctx = NULL;
}
static void atomic32internal(context_t *ctx, void *arg) {
@@ -51,13 +51,13 @@ static void atomic32internal(context_t *ctx, void *arg) {
// this sets up the thread so that in the next invalid page fault, it will jump to
// this context with CTX_RET set to EFAULT
_cpu()->thread->usercopyctx = ctx;
current_thread()->usercopyctx = ctx;
__atomic_load(desc->address, desc->value, __ATOMIC_SEQ_CST);
// no errors!
CTX_RET(ctx) = 0;
_cpu()->thread->usercopyctx = NULL;
current_thread()->usercopyctx = NULL;
}
int usercopy_touser(void *user, void *kernel, size_t size) {