fix: kernel concurrency, interrupt context, and user VA safety

2026-08-01 15:43:38 +02:00
parent f222bf1f04
commit b1c55073c7
71 changed files with 2654 additions and 1092 deletions
@@ -339,6 +339,7 @@ namespace montauk {
    // the buffer to show; the hardware latches it at vblank (tear-free).
    // flags bit0 = block until the flip has been latched (vsync).
    // fb_flip(-1, 0) returns 1 when page flipping is available, 0 when not.
+    // fb_flip(-2, 0) acquires ownership and returns the live buffer (0 or 1).
    inline int64_t fb_flip(int64_t index, uint64_t flags) {
        return syscall2(montauk::abi::SYS_FBFLIP, (uint64_t)index, flags);
    }