| Date | Wed, 16 Nov 2022 14:41:04 -0400 | From | Jason Gunthorpe <> | Subject | Re: [patch 01/33] genirq/msi: Rearrange MSI domain flags |
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On Fri, Nov 11, 2022 at 02:58:12PM +0100, Thomas Gleixner wrote: > These flags got added as necessary and have no obvious structure. For > feature support checks and masking it's convenient to have two blocks of > flags: > > 1) Flags to control the internal behaviour like allocating/freeing > MSI descriptors. Those flags do not need any support from the > underlying MSI parent domain. They are mostly under the control > of the outermost domain which implements the actual MSI support. > > 2) Flags to expose features, e.g. PCI multi-MSI or requirements > which can depend on a underlying domain. > > No functional change. > > Signed-off-by: Thomas Gleixner <tglx@linutronix.de> > --- > include/linux/msi.h | 49 ++++++++++++++++++++++++++++++++++--------------- > 1 file changed, 34 insertions(+), 15 deletions(-)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
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