Messages in this thread | | | Date | Wed, 23 Jun 2021 09:34:36 +0200 | From | Greg KH <> | Subject | Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA |
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On Wed, Jun 23, 2021 at 03:25:10PM +0800, Kefeng Wang wrote: > > > On 2021/6/23 15:12, Greg KH wrote: > > On Wed, Jun 23, 2021 at 02:59:59PM +0800, Kefeng Wang wrote: > > > Hi Greg, > > > > > > There are two more patches about the ZONE_DMA[32] changes, > > > > What ZONE_DMA changes? > > See the subject, [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide > ZONE_DMA, We asked the ARM64 ZONE_DMA change backport before, link[1]
The subject doesn't help much, sorry, what commit does this refer to? What happened to it? Was it accepted or rejected?
> > > especially the > > > second one, both them need be backported, thanks. > > > > Backported to where? > > stable 5.10
Why?
> > > 791ab8b2e3db - arm64: Ignore any DMA offsets in the max_zone_phys() > > > calculation > > > 2687275a5843 - arm64: Force NO_BLOCK_MAPPINGS if crashkernel reservation is > > > required > > > > Have you tried these patches? Where do they need to be applied to? > > Yes, we tested it, without them, especially the second one, we will > meet crash when using kexec boot, also there is discussion in [2] > and [3] from Catalin.
These [] do not seem to be links :(
thanks,
greg k-h
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