x86: re-enable rng seeding via SetupData

This reverts 3824e25db1 ("x86: disable rng seeding via setup_data"), but
for 7.2 rather than 7.1, now that modifying setup_data is safe to do.

Cc: Laurent Vivier <laurent@vivier.eu>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Message-Id: <20220921093134.2936487-4-Jason@zx2c4.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 52cafa003d8afd182f52fee0fa97b85482b65000..7fe8cce03e92e83955a4dd5452cac7afbd2b25e4 100644 (file)
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -332,7 +332,7 @@ static void microvm_memory_init(MicrovmMachineState *mms)
     rom_set_fw(fw_cfg);
 
     if (machine->kernel_filename != NULL) {
-        x86_load_linux(x86ms, fw_cfg, 0, true, true);
+        x86_load_linux(x86ms, fw_cfg, 0, true, false);
     }
 
     if (mms->option_roms) {

diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 8043a250adf3693d76be1b81a16d256d71f596d3..0b1a79c0fad19c838207b233df0d9b881043804f 100644 (file)
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -439,7 +439,6 @@ static void pc_i440fx_7_2_machine_options(MachineClass *m)
     m->alias = "pc";
     m->is_default = true;
     pcmc->default_cpu_version = 1;
-    pcmc->legacy_no_rng_seed = true;
 }
 
 DEFINE_I440FX_MACHINE(v7_2, "pc-i440fx-7.2", NULL,
@@ -447,9 +446,11 @@ DEFINE_I440FX_MACHINE(v7_2, "pc-i440fx-7.2", NULL,
 
 static void pc_i440fx_7_1_machine_options(MachineClass *m)
 {
+    PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_i440fx_7_2_machine_options(m);
     m->alias = NULL;
     m->is_default = false;
+    pcmc->legacy_no_rng_seed = true;
     compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len);
     compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len);
 }

diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 53eda50e818c4a3e80a6c27b38a1d88b751914d9..a496bd6e74f5f1e59b9a536507fca9c6830ab68f 100644 (file)
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -376,7 +376,6 @@ static void pc_q35_7_2_machine_options(MachineClass *m)
     pc_q35_machine_options(m);
     m->alias = "q35";
     pcmc->default_cpu_version = 1;
-    pcmc->legacy_no_rng_seed = true;
 }
 
 DEFINE_Q35_MACHINE(v7_2, "pc-q35-7.2", NULL,
@@ -384,8 +383,10 @@ DEFINE_Q35_MACHINE(v7_2, "pc-q35-7.2", NULL,
 
 static void pc_q35_7_1_machine_options(MachineClass *m)
 {
+    PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_q35_7_2_machine_options(m);
     m->alias = NULL;
+    pcmc->legacy_no_rng_seed = true;
     compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len);
     compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len);
 }