On Tue, Feb 14, 2023 at 02:14:32PM +0100, Bernhard Beschow wrote:
> Deleting from and adding to the parent memory region seems to be the old
> way of changing a memory region's address which is superseeded by
> memory_region_set_address(). Moreover, memory_region_set_address() is
> already used for tseg_window which is tseg_blackhole's counterpart in
> SMM space.
>
> Ammends: bafc90bdc594 'q35: implement TSEG'
I don't really see what purpose does this tag serve but
if you want it use the standard format pls.
> Signed-off-by: Bernhard Beschow <shen...@gmail.com>
> ---
> hw/pci-host/q35.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
> index 3124cad60f..0384ce4350 100644
> --- a/hw/pci-host/q35.c
> +++ b/hw/pci-host/q35.c
> @@ -404,12 +404,11 @@ static void mch_update_smram(MCHPCIState *mch)
> } else {
> tseg_size = 0;
> }
> - memory_region_del_subregion(mch->system_memory, &mch->tseg_blackhole);
> +
> memory_region_set_enabled(&mch->tseg_blackhole, tseg_size);
> memory_region_set_size(&mch->tseg_blackhole, tseg_size);
> - memory_region_add_subregion_overlap(mch->system_memory,
> - mch->below_4g_mem_size - tseg_size,
> - &mch->tseg_blackhole, 1);
> + memory_region_set_address(&mch->tseg_blackhole,
> + mch->below_4g_mem_size - tseg_size);
>
> memory_region_set_enabled(&mch->tseg_window, tseg_size);
> memory_region_set_size(&mch->tseg_window, tseg_size);
> --
> 2.39.1
