On Sat, Mar 06, 2021 at 09:29:09AM +0100, Thomas Bogendoerfer wrote:
> BMIPS is one of the few platforms that do change the exception base.
> After commit 2dcb39645441 ("memblock: do not start bottom-up allocations
> with kernel_end") we started seeing BMIPS boards fail to boot with the
> built-in
On Mon, 8 Mar 2021, Serge Semin wrote:
> > some of them are not R2 (SB1), others are. So best bet would be to
> > simply reserve the first 0x1000 bytes for every CPU and special handling
> > for the BMIPS case. Does this cover all cases ?
>
> I can't say for sure whether it will cover all the
On Sun, Mar 07, 2021 at 10:20:01PM +0100, Thomas Bogendoerfer wrote:
> On Sun, Mar 07, 2021 at 11:06:12PM +0300, Serge Semin wrote:
> > > +
> > > + if (cpu_has_mips_r2_r6)
> > > + reserve_exception_space(0, 0x400);
> >
> > Are you sure it shouldn't be (!cpu_has_mips_r2_r6)?. What I see
On Sun, 7 Mar 2021, Thomas Bogendoerfer wrote:
> > Are you sure all of them have "cpu_has_mips_r2_r6" macro returning
> > true (false) in order to safely use the lowest region in accordance
> > with the conditional statement you've added?
>
> some of them are not R2 (SB1), others are.
For the
On Sun, Mar 07, 2021 at 11:06:12PM +0300, Serge Semin wrote:
> > +
> > + if (cpu_has_mips_r2_r6)
> > + reserve_exception_space(0, 0x400);
>
> Are you sure it shouldn't be (!cpu_has_mips_r2_r6)?. What I see here
> contradicts to what is said in Changelog v2.
d'oh, of course it has to
Hi Thomas.
I thought we'd discuss it in v1, but since you've sent v2 please see
my comment below.
On Sat, Mar 06, 2021 at 09:29:09AM +0100, Thomas Bogendoerfer wrote:
> BMIPS is one of the few platforms that do change the exception base.
> After commit 2dcb39645441 ("memblock: do not start
On Sat, Mar 06, 2021 at 09:29:09AM +0100, Thomas Bogendoerfer wrote:
> BMIPS is one of the few platforms that do change the exception base.
> After commit 2dcb39645441 ("memblock: do not start bottom-up allocations
> with kernel_end") we started seeing BMIPS boards fail to boot with the
> built-in
On 3/6/2021 12:29 AM, Thomas Bogendoerfer wrote:
> BMIPS is one of the few platforms that do change the exception base.
> After commit 2dcb39645441 ("memblock: do not start bottom-up allocations
> with kernel_end") we started seeing BMIPS boards fail to boot with the
> built-in FDT being
BMIPS is one of the few platforms that do change the exception base.
After commit 2dcb39645441 ("memblock: do not start bottom-up allocations
with kernel_end") we started seeing BMIPS boards fail to boot with the
built-in FDT being corrupted.
Before the cited commit, early allocations would be in
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