On Fri, Nov 11, 2022 at 02:36:02PM +0100, Gerd Hoffmann wrote:
> > if (pcmc->has_reserved_memory && machine->device_memory->base) {
> >
> > [...]
> >
> > if (pcms->cxl_devices_state.is_enabled) {
> if (pcmc->has_reserved_memory && machine->device_memory->base) {
>
> [...]
>
> if (pcms->cxl_devices_state.is_enabled) {
>
> res_mem_end = cxl_resv_end;
>
> that s
On Fri, 11 Nov 2022 12:40:59 +0100
Gerd Hoffmann wrote:
> On Fri, Nov 11, 2022 at 11:51:23AM +0100, Igor Mammedov wrote:
> > On Tue, 8 Nov 2022 12:21:11 +0100
> > Gerd Hoffmann wrote:
> >
> > > > >> > diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> > > > >> > index 566accf7e6..5bf5465a21 100644
>
On Fri, Nov 11, 2022 at 11:51:23AM +0100, Igor Mammedov wrote:
> On Tue, 8 Nov 2022 12:21:11 +0100
> Gerd Hoffmann wrote:
>
> > > >> > diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> > > >> > index 566accf7e6..5bf5465a21 100644
> > > >> > --- a/hw/i386/pc.c
> > > >> > +++ b/hw/i386/pc.c
> > > >> > @@
On Tue, 8 Nov 2022 12:21:11 +0100
Gerd Hoffmann wrote:
> > >> > diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> > >> > index 566accf7e6..5bf5465a21 100644
> > >> > --- a/hw/i386/pc.c
> > >> > +++ b/hw/i386/pc.c
> > >> > @@ -1061,7 +1061,6 @@ void pc_memory_init(PCMachineState *pcms,
> > >> >
> >> > diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> >> > index 566accf7e6..5bf5465a21 100644
> >> > --- a/hw/i386/pc.c
> >> > +++ b/hw/i386/pc.c
> >> > @@ -1061,7 +1061,6 @@ void pc_memory_init(PCMachineState *pcms,
> >> > hwaddr cxl_size = MiB;
> >> >
> >> > cxl_base = pc_get_cxl_r
+Gerd Hoffmann
On Tue, Oct 18, 2022 at 8:16 PM Gregory Price wrote:
>
> This patch does not resolve the issue, reserved entries are still created.
>
> [0.00] BIOS-e820: [mem 0x00028000-0x0002800f] reserved
> [0.00] BIOS-e820: [mem 0x00029000-0x00029
> > -e820_add_entry(cxl_base, cxl_size, E820_RESERVED);
> > memory_region_init(mr, OBJECT(machine), "cxl_host_reg", cxl_size);
> > memory_region_add_subregion(system_memory, cxl_base, mr);
> > cxl_resv_end = cxl_base + cxl_size;
> > @@ -1077,7 +1076,6 @@ void p
This patch does not resolve the issue, reserved entries are still created.
[0.00] BIOS-e820: [mem 0x00028000-0x0002800f]
reserved
[0.00] BIOS-e820: [mem 0x00029000-0x00029fff]
reserved
# cat /proc/iomem
29000-29fff : CXL Window 0
29000
On Tue, Oct 18, 2022 at 5:14 AM Gregory Price wrote:
>
> Early-boot e820 records will be inserted by the bios/efi/early boot
> software and be reported to the kernel via insert_resource. Later, when
> CXL drivers iterate through the regions again, they will insert another
> resource and make the
Early-boot e820 records will be inserted by the bios/efi/early boot
software and be reported to the kernel via insert_resource. Later, when
CXL drivers iterate through the regions again, they will insert another
resource and make the RESERVED memory area a child.
This RESERVED memory area cau
Early-boot e820 records will be inserted by the bios/efi/early boot
software and be reported to the kernel via insert_resource. Later, when
CXL drivers iterate through the regions again, they will insert another
resource and make the RESERVED memory area a child.
This RESERVED memory area causes
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