[PATCH] x86: disable rng seeding via setup_data

[Gerd Hoffmann]

Causes regressions when doing direct kernel boots with OVMF.

At this point in the release cycle the only sensible action
is to just disable this for 7.1 and sort it properly in the
7.2 devel cycle.

Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Eduardo Habkost <eduardo@habkost.net>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/i386/microvm.c | 2 +-
 hw/i386/pc_piix.c | 2 +-
 hw/i386/pc_q35.c  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 7fe8cce03e92..52cafa003d8a 100644
--- 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, false);
+        x86_load_linux(x86ms, fw_cfg, 0, true, true);
     }
 
     if (mms->option_roms) {
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index a5c65c1c3527..20962c34e7d8 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -439,6 +439,7 @@ static void pc_i440fx_7_1_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_1, "pc-i440fx-7.1", NULL,
@@ -450,7 +451,6 @@ static void pc_i440fx_7_0_machine_options(MachineClass *m)
     pc_i440fx_7_1_machine_options(m);
     m->alias = NULL;
     m->is_default = false;
-    pcmc->legacy_no_rng_seed = true;
     pcmc->enforce_amd_1tb_hole = false;
     compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len);
     compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len);
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 3a35193ff74b..2e5dae9a89fa 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -376,6 +376,7 @@ static void pc_q35_7_1_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_1, "pc-q35-7.1", NULL,
@@ -386,7 +387,6 @@ static void pc_q35_7_0_machine_options(MachineClass *m)
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_q35_7_1_machine_options(m);
     m->alias = NULL;
-    pcmc->legacy_no_rng_seed = true;
     pcmc->enforce_amd_1tb_hole = false;
     compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len);
     compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len);
-- 
2.37.2