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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Glenn Miles" <milesg@linux.ibm.com>,
	"Mark Cave-Ayland" <mark.cave-ayland@ilande.co.uk>,
	"Nicholas Piggin" <npiggin@gmail.com>,
	qemu-ppc@nongnu.org,
	"Daniel Henrique Barboza" <daniel.barboza@oss.qualcomm.com>,
	"Fabiano Rosas" <farosas@suse.de>,
	"Alistair Francis" <alistair.francis@wdc.com>,
	"Pierrick Bouvier" <pierrick.bouvier@linaro.org>,
	"Alex Bennée" <alex.bennee@linaro.org>,
	qemu-riscv@nongnu.org, "Paolo Bonzini" <pbonzini@redhat.com>,
	"Artyom Tarasenko" <atar4qemu@gmail.com>,
	"Anton Johansson" <anjo@rev.ng>, "Peter Xu" <peterx@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Zhao Liu" <zhao1.liu@intel.com>,
	"Jiaxun Yang" <jiaxun.yang@flygoat.com>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	"Weiwei Li" <liwei1518@gmail.com>,
	"Liu Zhiwei" <zhiwei_liu@linux.alibaba.com>,
	"Chao Liu" <chao.liu.zevorn@gmail.com>,
	"Chinmay Rath" <rathc@linux.ibm.com>
Subject: [PATCH-for-11.1 10/10] migration: Restrict legacy VMSTATE_UINTTL() macros to few targets
Date: Wed, 25 Mar 2026 22:17:28 +0100	[thread overview]
Message-ID: <20260325211728.89204-11-philmd@linaro.org> (raw)
In-Reply-To: <20260325211728.89204-1-philmd@linaro.org>

Only 5 base targets use VMSTATE_UINTTL (MIPS, PPC, X86, SPARC and
RISCV). In order to build a single binary (preliminary step toward
heterogeneous emulation) we need to remove it, but it will take some
time. Add a temporary TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API
definition to keep targets not using these macros clean while we keep
cleaning the last few targets one by one, preventing legacy uses to
creep back in.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 configs/targets/i386-softmmu.mak     |  1 +
 configs/targets/mips-softmmu.mak     |  1 +
 configs/targets/mips64-softmmu.mak   |  1 +
 configs/targets/mips64el-softmmu.mak |  1 +
 configs/targets/mipsel-softmmu.mak   |  1 +
 configs/targets/ppc-softmmu.mak      |  1 +
 configs/targets/ppc64-softmmu.mak    |  1 +
 configs/targets/riscv32-softmmu.mak  |  1 +
 configs/targets/riscv64-softmmu.mak  |  1 +
 configs/targets/sparc-softmmu.mak    |  1 +
 configs/targets/sparc64-softmmu.mak  |  1 +
 configs/targets/x86_64-softmmu.mak   |  1 +
 include/migration/cpu.h              | 24 +++++++++++-------------
 target/ppc/machine.c                 |  1 +
 scripts/make-config-poison.sh        |  1 +
 15 files changed, 25 insertions(+), 13 deletions(-)

diff --git a/configs/targets/i386-softmmu.mak b/configs/targets/i386-softmmu.mak
index 38a8f85201f..048ae17fdc5 100644
--- a/configs/targets/i386-softmmu.mak
+++ b/configs/targets/i386-softmmu.mak
@@ -4,3 +4,4 @@ TARGET_KVM_HAVE_RESET_PARKED_VCPU=y
 TARGET_XML_FILES= i386-32bit.xml
 TARGET_LONG_BITS=32
 TARGET_NOT_USING_LEGACY_LDST_PHYS_API=y
+TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API=y
diff --git a/configs/targets/mips-softmmu.mak b/configs/targets/mips-softmmu.mak
index 95397af9442..81990d21880 100644
--- a/configs/targets/mips-softmmu.mak
+++ b/configs/targets/mips-softmmu.mak
@@ -2,3 +2,4 @@ TARGET_ARCH=mips
 TARGET_BIG_ENDIAN=y
 TARGET_LONG_BITS=32
 TARGET_NOT_USING_LEGACY_LDST_PHYS_API=y
+TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API=y
diff --git a/configs/targets/mips64-softmmu.mak b/configs/targets/mips64-softmmu.mak
index f9cc41b9ed4..2f7873af06d 100644
--- a/configs/targets/mips64-softmmu.mak
+++ b/configs/targets/mips64-softmmu.mak
@@ -3,3 +3,4 @@ TARGET_BASE_ARCH=mips
 TARGET_BIG_ENDIAN=y
 TARGET_LONG_BITS=64
 TARGET_NOT_USING_LEGACY_LDST_PHYS_API=y
+TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API=y
diff --git a/configs/targets/mips64el-softmmu.mak b/configs/targets/mips64el-softmmu.mak
index 4e7dedc5f30..62e74f77ba5 100644
--- a/configs/targets/mips64el-softmmu.mak
+++ b/configs/targets/mips64el-softmmu.mak
@@ -2,3 +2,4 @@ TARGET_ARCH=mips64
 TARGET_BASE_ARCH=mips
 TARGET_LONG_BITS=64
 TARGET_NOT_USING_LEGACY_LDST_PHYS_API=y
+TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API=y
diff --git a/configs/targets/mipsel-softmmu.mak b/configs/targets/mipsel-softmmu.mak
index b0fba8a9d0a..57e556b93b8 100644
--- a/configs/targets/mipsel-softmmu.mak
+++ b/configs/targets/mipsel-softmmu.mak
@@ -1,3 +1,4 @@
 TARGET_ARCH=mips
 TARGET_LONG_BITS=32
 TARGET_NOT_USING_LEGACY_LDST_PHYS_API=y
+TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API=y
diff --git a/configs/targets/ppc-softmmu.mak b/configs/targets/ppc-softmmu.mak
index 867898bd47c..1e28d40b440 100644
--- a/configs/targets/ppc-softmmu.mak
+++ b/configs/targets/ppc-softmmu.mak
@@ -3,3 +3,4 @@ TARGET_BIG_ENDIAN=y
 TARGET_KVM_HAVE_GUEST_DEBUG=y
 TARGET_XML_FILES= power-core.xml power-fpu.xml power-altivec.xml power-spe.xml
 TARGET_LONG_BITS=32
+TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API=y
diff --git a/configs/targets/ppc64-softmmu.mak b/configs/targets/ppc64-softmmu.mak
index 10d7a2681e7..8c7171f9d5e 100644
--- a/configs/targets/ppc64-softmmu.mak
+++ b/configs/targets/ppc64-softmmu.mak
@@ -6,3 +6,4 @@ TARGET_XML_FILES= power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml
 # all boards require libfdt
 TARGET_NEED_FDT=y
 TARGET_LONG_BITS=64
+TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API=y
diff --git a/configs/targets/riscv32-softmmu.mak b/configs/targets/riscv32-softmmu.mak
index 26080599be7..a9cd8ae89ee 100644
--- a/configs/targets/riscv32-softmmu.mak
+++ b/configs/targets/riscv32-softmmu.mak
@@ -5,3 +5,4 @@ TARGET_XML_FILES= riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml ri
 TARGET_NEED_FDT=y
 TARGET_LONG_BITS=32
 TARGET_NOT_USING_LEGACY_LDST_PHYS_API=y
+TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API=y
diff --git a/configs/targets/riscv64-softmmu.mak b/configs/targets/riscv64-softmmu.mak
index 5059c550480..3f97cd6dfa5 100644
--- a/configs/targets/riscv64-softmmu.mak
+++ b/configs/targets/riscv64-softmmu.mak
@@ -6,3 +6,4 @@ TARGET_XML_FILES= riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml ri
 TARGET_NEED_FDT=y
 TARGET_LONG_BITS=64
 TARGET_NOT_USING_LEGACY_LDST_PHYS_API=y
+TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API=y
diff --git a/configs/targets/sparc-softmmu.mak b/configs/targets/sparc-softmmu.mak
index 126ce12abb0..0630fa54b43 100644
--- a/configs/targets/sparc-softmmu.mak
+++ b/configs/targets/sparc-softmmu.mak
@@ -4,3 +4,4 @@ TARGET_XML_FILES=sparc32-cpu.xml sparc32-fpu.xml sparc32-cp0.xml
 TARGET_LONG_BITS=32
 TARGET_NOT_USING_LEGACY_LDST_PHYS_API=y
 TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API=y
+TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API=y
diff --git a/configs/targets/sparc64-softmmu.mak b/configs/targets/sparc64-softmmu.mak
index 4e621fb8e39..500db845ea9 100644
--- a/configs/targets/sparc64-softmmu.mak
+++ b/configs/targets/sparc64-softmmu.mak
@@ -5,3 +5,4 @@ TARGET_XML_FILES=sparc64-cpu.xml sparc64-fpu.xml sparc64-cp0.xml
 TARGET_LONG_BITS=64
 TARGET_NOT_USING_LEGACY_LDST_PHYS_API=y
 TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API=y
+TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API=y
diff --git a/configs/targets/x86_64-softmmu.mak b/configs/targets/x86_64-softmmu.mak
index c7f8746b4f5..18b3575e4e2 100644
--- a/configs/targets/x86_64-softmmu.mak
+++ b/configs/targets/x86_64-softmmu.mak
@@ -5,3 +5,4 @@ TARGET_KVM_HAVE_RESET_PARKED_VCPU=y
 TARGET_XML_FILES= i386-64bit.xml i386-64bit-apx.xml
 TARGET_LONG_BITS=64
 TARGET_NOT_USING_LEGACY_LDST_PHYS_API=y
+TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API=y
diff --git a/include/migration/cpu.h b/include/migration/cpu.h
index 05a1ddde343..4c8c9c34cc8 100644
--- a/include/migration/cpu.h
+++ b/include/migration/cpu.h
@@ -3,25 +3,23 @@
 #ifndef MIGRATION_CPU_H
 #define MIGRATION_CPU_H
 
+#ifdef TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API
+
 #include "exec/cpu-defs.h"
-#include "migration/qemu-file-types.h"
 #include "migration/vmstate.h"
 
 #if TARGET_LONG_BITS == 64
-#define VMSTATE_UINTTL_V(_f, _s, _v)                                  \
-    VMSTATE_UINT64_V(_f, _s, _v)
-#define VMSTATE_UINTTL_ARRAY_V(_f, _s, _n, _v)                        \
-    VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v)
+#define VMSTATE_UINTTL(_f, _s) \
+    VMSTATE_UINT64_V(_f, _s, 0)
+#define VMSTATE_UINTTL_ARRAY(_f, _s, _n) \
+    VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
 #else
-#define VMSTATE_UINTTL_V(_f, _s, _v)                                  \
-    VMSTATE_UINT32_V(_f, _s, _v)
-#define VMSTATE_UINTTL_ARRAY_V(_f, _s, _n, _v)                        \
-    VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v)
+#define VMSTATE_UINTTL(_f, _s) \
+    VMSTATE_UINT32_V(_f, _s, 0)
+#define VMSTATE_UINTTL_ARRAY(_f, _s, _n) \
+    VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
 #endif
 
-#define VMSTATE_UINTTL(_f, _s)                                        \
-    VMSTATE_UINTTL_V(_f, _s, 0)
-#define VMSTATE_UINTTL_ARRAY(_f, _s, _n)                              \
-    VMSTATE_UINTTL_ARRAY_V(_f, _s, _n, 0)
+#endif /* TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API */
 
 #endif
diff --git a/target/ppc/machine.c b/target/ppc/machine.c
index 49cfdc6d674..f6169a128dc 100644
--- a/target/ppc/machine.c
+++ b/target/ppc/machine.c
@@ -5,6 +5,7 @@
 #include "helper_regs.h"
 #include "mmu-hash64.h"
 #include "migration/cpu.h"
+#include "migration/qemu-file-types.h"
 #include "qapi/error.h"
 #include "kvm_ppc.h"
 #include "power8-pmu.h"
diff --git a/scripts/make-config-poison.sh b/scripts/make-config-poison.sh
index b4d61e8bc9e..a1c5fa77d9d 100755
--- a/scripts/make-config-poison.sh
+++ b/scripts/make-config-poison.sh
@@ -12,6 +12,7 @@ exec sed -n \
   -e '/CONFIG_SOFTMMU/d' \
   -e '/TARGET_NOT_USING_LEGACY_LDST_PHYS_API/d' \
   -e '/TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API/d' \
+  -e '/TARGET_USING_LEGACY_MIGRATION_VMSTATE_UINTTL_API/d' \
   -e '/^#define / {' \
   -e    's///' \
   -e    's/ .*//' \
-- 
2.53.0



  parent reply	other threads:[~2026-03-25 21:19 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-25 21:17 [PATCH-for-11.1 00/10] migration: Reduce uses of target-specific macros Philippe Mathieu-Daudé
2026-03-25 21:17 ` [PATCH-for-11.1 01/10] target/avr: Avoid target-specific migration headers in machine.c Philippe Mathieu-Daudé
2026-03-25 21:39   ` Pierrick Bouvier
2026-03-25 21:17 ` [PATCH-for-11.1 02/10] target/loongarch: " Philippe Mathieu-Daudé
2026-03-25 21:39   ` Pierrick Bouvier
2026-03-25 21:17 ` [PATCH-for-11.1 03/10] migration: Revert "Add VMSTATE_UINTTL_2DARRAY()" Philippe Mathieu-Daudé
2026-03-25 21:39   ` Pierrick Bouvier
2026-03-25 21:17 ` [PATCH-for-11.1 04/10] migration: Remove unused target-specific macros Philippe Mathieu-Daudé
2026-03-25 21:40   ` Pierrick Bouvier
2026-03-25 21:17 ` [PATCH-for-11.1 05/10] target/sparc: Inline qemu_get/put_betl() Philippe Mathieu-Daudé
2026-03-25 21:40   ` Pierrick Bouvier
2026-03-25 21:17 ` [PATCH-for-11.1 06/10] target/mips: Inline qemu_get/put_betls() Philippe Mathieu-Daudé
2026-03-25 21:40   ` Pierrick Bouvier
2026-03-25 21:17 ` [PATCH-for-11.1 07/10] target/i386: Expand VMSTATE_UINTTL_SUB_ARRAY for APX registers Philippe Mathieu-Daudé
2026-03-25 21:40   ` Pierrick Bouvier
2026-03-25 21:17 ` [PATCH-for-11.1 08/10] target/i386: Inline VMSTATE_UINTTL_SUB_ARRAY() macro Philippe Mathieu-Daudé
2026-03-25 21:43   ` Pierrick Bouvier
2026-03-25 21:17 ` [PATCH-for-11.1 09/10] target/sparc: Replace VMSTATE_VARRAY_MULTIPLY -> VMSTATE_UINTTL_ARRAY Philippe Mathieu-Daudé
2026-03-25 21:44   ` Pierrick Bouvier
2026-03-25 21:17 ` Philippe Mathieu-Daudé [this message]
2026-03-25 21:20   ` [PATCH-for-11.1 10/10] migration: Restrict legacy VMSTATE_UINTTL() macros to few targets Philippe Mathieu-Daudé
2026-03-25 21:49   ` Pierrick Bouvier

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