Messages in this thread | | | Date | Wed, 24 Aug 2022 08:56:02 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH 5.19 319/365] swiotlb: panic if nslabs is too small |
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On Tue, Aug 23, 2022 at 10:25:27AM -0700, Dongli Zhang wrote: > Adding Robin, Yu and swiotlb list. > > Hi Greg, > > There is an on-going discussion whether to revert this patch, because it breaks > a corner case in MIPS when many kernel CONFIGs are not enabled (related to PCI > and device). As a result, MIPS pre-allocates only PAGE_SIZE buffer as swiotlb. > > https://lore.kernel.org/all/20220820012031.1285979-1-yuzhao@google.com/ > > However, the core idea of the patch is to panic on purpose if the swiotlb is > configured with <1MB memory, in order to sync with the remap failure handler in > swiotlb_init_remap().
Ok, I've dropped it from the 5.19 queue now. If you want it added to a future kernel release, just resend it.
thanks,
greg k-h
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