Accelerator patches

- Extract page-protection definitions to page-protection.h
 - Rework in accel/tcg in preparation of extracting TCG fields from CPUState
 - More uses of get_task_state() in user emulation
 - Xen refactors in preparation for adding multiple map caches (Juergen & Edgar)
 - MAINTAINERS updates (Aleksandar and Bin)
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Merge tag 'accel-20240506' of https://github.com/philmd/qemu into staging

Accelerator patches

- Extract page-protection definitions to page-protection.h
- Rework in accel/tcg in preparation of extracting TCG fields from CPUState
- More uses of get_task_state() in user emulation
- Xen refactors in preparation for adding multiple map caches (Juergen & Edgar)
- MAINTAINERS updates (Aleksandar and Bin)

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* tag 'accel-20240506' of https://github.com/philmd/qemu: (28 commits)
  MAINTAINERS: Update my email address
  MAINTAINERS: Update Aleksandar Rikalo email
  system: Pass RAM MemoryRegion and is_write in xen_map_cache()
  xen: mapcache: Break out xen_map_cache_init_single()
  xen: mapcache: Break out xen_invalidate_map_cache_single()
  xen: mapcache: Refactor xen_invalidate_map_cache_entry_unlocked
  xen: mapcache: Refactor xen_replace_cache_entry_unlocked
  xen: mapcache: Break out xen_ram_addr_from_mapcache_single
  xen: mapcache: Refactor xen_remap_bucket for multi-instance
  xen: mapcache: Refactor xen_map_cache for multi-instance
  xen: mapcache: Refactor lock functions for multi-instance
  xen: let xen_ram_addr_from_mapcache() return -1 in case of not found entry
  system: let qemu_map_ram_ptr() use qemu_ram_ptr_length()
  user: Use get_task_state() helper
  user: Declare get_task_state() once in 'accel/tcg/vcpu-state.h'
  user: Forward declare TaskState type definition
  accel/tcg: Move @plugin_mem_cbs from CPUState to CPUNegativeOffsetState
  accel/tcg: Restrict cpu_plugin_mem_cbs_enabled() to TCG
  accel/tcg: Restrict qemu_plugin_vcpu_exit_hook() to TCG plugins
  accel/tcg: Update CPUNegativeOffsetState::can_do_io field documentation
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/arm/cpu.c

@@ -1941,7 +1941,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
 
 #if defined(CONFIG_TCG) && !defined(CONFIG_USER_ONLY)
     /* Use pc-relative instructions in system-mode */
-    cs->tcg_cflags |= CF_PCREL;
+    tcg_cflags_set(cs, CF_PCREL);
 #endif
 
     /* If we needed to query the host kernel for the CPU features

target/arm/cpu.h

@@ -26,6 +26,7 @@
 #include "cpu-qom.h"
 #include "exec/cpu-defs.h"
 #include "exec/gdbstub.h"
+#include "exec/page-protection.h"
 #include "qapi/qapi-types-common.h"
 #include "target/arm/multiprocessing.h"
 #include "target/arm/gtimer.h"

target/arm/ptw.c

@@ -11,6 +11,7 @@
 #include "qemu/range.h"
 #include "qemu/main-loop.h"
 #include "exec/exec-all.h"
+#include "exec/page-protection.h"
 #include "cpu.h"
 #include "internals.h"
 #include "cpu-features.h"

target/arm/tcg/m_helper.c

@@ -16,6 +16,7 @@
 #include "qemu/bitops.h"
 #include "qemu/log.h"
 #include "exec/exec-all.h"
+#include "exec/page-protection.h"
 #ifdef CONFIG_TCG
 #include "exec/cpu_ldst.h"
 #include "semihosting/common-semi.h"

target/arm/tcg/mte_helper.c

@@ -22,6 +22,7 @@
 #include "cpu.h"
 #include "internals.h"
 #include "exec/exec-all.h"
+#include "exec/page-protection.h"
 #include "exec/ram_addr.h"
 #include "exec/cpu_ldst.h"
 #include "exec/helper-proto.h"

target/arm/tcg/sve_helper.c

@@ -21,6 +21,7 @@
 #include "cpu.h"
 #include "internals.h"
 #include "exec/exec-all.h"
+#include "exec/page-protection.h"
 #include "exec/helper-proto.h"
 #include "tcg/tcg-gvec-desc.h"
 #include "fpu/softfloat.h"