[PATCH RFC 3/7] Revert "x86: re-initialize RNG seed when selecting kernel"

Michael S. Tsirkin
2023-02-08T21:13:42Z

This reverts commit cc63374a5a7c240b7d3be734ef589dabbefc7527.

Fixes: cc63374a5a ("x86: re-initialize RNG seed when selecting kernel")
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
hw/i386/x86.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index 7984f65352..e1a5f244a9 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -1116,14 +1116,11 @@ void x86_load_linux(X86MachineState *x86ms,
setup_data->len = cpu_to_le32(RNG_SEED_LENGTH);
qemu_guest_getrandom_nofail(setup_data->data, RNG_SEED_LENGTH);
qemu_register_reset(reset_rng_seed, setup_data);
- fw_cfg_add_bytes_callback(fw_cfg, FW_CFG_KERNEL_DATA, reset_rng_seed, NULL,
- setup_data, kernel, kernel_size, true);
- } else {
- fw_cfg_add_bytes(fw_cfg, FW_CFG_KERNEL_DATA, kernel, kernel_size);
}

fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, prot_addr);
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
+ fw_cfg_add_bytes(fw_cfg, FW_CFG_KERNEL_DATA, kernel, kernel_size);
sev_load_ctx.kernel_data = (char *)kernel;
sev_load_ctx.kernel_size = kernel_size;

--
MST