[PATCH-for-8.0 1/4] cputlb: Restrict SavedIOTLB to system emulation

[Philippe Mathieu-Daudé]

Commit 2f3a57ee47 ("cputlb: ensure we save the IOTLB data in
case of reset") added the SavedIOTLB structure -- which is
system emulation specific -- in the generic CPUState structure.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 accel/tcg/cputlb.c    | 4 ++--
 include/hw/core/cpu.h | 6 ++++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index 6f1c00682b..0ea96fbcdf 100644
--- a/accel/tcg/cputlb.c
+++ b/accel/tcg/cputlb.c
@@ -1395,7 +1395,7 @@ static uint64_t io_readx(CPUArchState *env, 
CPUTLBEntryFull *full,
 static void save_iotlb_data(CPUState *cs, MemoryRegionSection *section,
                             hwaddr mr_offset)
 {
-#ifdef CONFIG_PLUGIN
+#if defined(CONFIG_PLUGIN) && !defined(CONFIG_USER_ONLY)
     SavedIOTLB *saved = &cs->saved_iotlb;
     saved->section = section;
     saved->mr_offset = mr_offset;
@@ -1699,7 +1699,7 @@ tb_page_addr_t get_page_addr_code_hostp(CPUArchState 
*env, target_ulong addr,
     return qemu_ram_addr_from_host_nofail(p);
 }
 
-#ifdef CONFIG_PLUGIN
+#if defined(CONFIG_PLUGIN) && !defined(CONFIG_USER_ONLY)
 /*
  * Perform a TLB lookup and populate the qemu_plugin_hwaddr structure.
  * This should be a hot path as we will have just looked this path up
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 8830546121..bc3229ae13 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -222,7 +222,7 @@ struct CPUWatchpoint {
     QTAILQ_ENTRY(CPUWatchpoint) entry;
 };
 
-#ifdef CONFIG_PLUGIN
+#if defined(CONFIG_PLUGIN) && !defined(CONFIG_USER_ONLY)
 /*
  * For plugins we sometime need to save the resolved iotlb data before
  * the memory regions get moved around  by io_writex.
@@ -406,9 +406,11 @@ struct CPUState {
 
 #ifdef CONFIG_PLUGIN
     GArray *plugin_mem_cbs;
+#if !defined(CONFIG_USER_ONLY)
     /* saved iotlb data from io_writex */
     SavedIOTLB saved_iotlb;
-#endif
+#endif /* !CONFIG_USER_ONLY */
+#endif /* CONFIG_PLUGIN */
 
     /* TODO Move common fields from CPUArchState here. */
     int cpu_index;
-- 
2.38.1