restore lost packages from 0.2.3 + fix overwritten 0.2.4 files

- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.)
- Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber)
- Restore 20+ local/scripts (audit, lint, test, build helpers)
- Restore src/cook/scheduler.rs, status.rs, gnu-config/
- Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh
- Recover TLC source from HEAD (was overwritten by 0.2.3 checkout)
- Recover 11 local/docs plans from HEAD (were overwritten)
- Recover qt6-wayland-smoke symlink from HEAD
- Fix MOTD: remove garbled ASCII art, use clean text
- Update version: 0.2.0 -> 0.2.4 in os-release, motd, config
- Reduce filesystem_size: 1536 -> 512 MiB
- Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages
- Reduce pcid scheme log verbosity: info -> debug

local/recipes/gpu/amdgpu-source/include/linux/prefetch.h

@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ *  Generic cache management functions. Everything is arch-specific,  
+ *  but this header exists to make sure the defines/functions can be
+ *  used in a generic way.
+ *
+ *  2000-11-13  Arjan van de Ven   <arjan@fenrus.demon.nl>
+ *
+ */
+
+#ifndef _LINUX_PREFETCH_H
+#define _LINUX_PREFETCH_H
+
+#include <linux/types.h>
+#include <asm/processor.h>
+#include <asm/cache.h>
+
+struct page;
+/*
+	prefetch(x) attempts to pre-emptively get the memory pointed to
+	by address "x" into the CPU L1 cache. 
+	prefetch(x) should not cause any kind of exception, prefetch(0) is
+	specifically ok.
+
+	prefetch() should be defined by the architecture, if not, the 
+	#define below provides a no-op define.	
+	
+	There are 2 prefetch() macros:
+	
+	prefetch(x)  	- prefetches the cacheline at "x" for read
+	prefetchw(x)	- prefetches the cacheline at "x" for write
+	
+	there is also PREFETCH_STRIDE which is the architecure-preferred 
+	"lookahead" size for prefetching streamed operations.
+	
+*/
+
+#ifndef ARCH_HAS_PREFETCH
+#define prefetch(x) __builtin_prefetch(x)
+#endif
+
+#ifndef ARCH_HAS_PREFETCHW
+#define prefetchw(x) __builtin_prefetch(x,1)
+#endif
+
+#ifndef PREFETCH_STRIDE
+#define PREFETCH_STRIDE (4*L1_CACHE_BYTES)
+#endif
+
+static inline void prefetch_range(void *addr, size_t len)
+{
+#ifdef ARCH_HAS_PREFETCH
+	char *cp;
+	char *end = addr + len;
+
+	for (cp = addr; cp < end; cp += PREFETCH_STRIDE)
+		prefetch(cp);
+#endif
+}
+
+static inline void prefetch_page_address(struct page *page)
+{
+#if defined(WANT_PAGE_VIRTUAL) || defined(HASHED_PAGE_VIRTUAL)
+	prefetch(page);
+#endif
+}
+
+#endif