On Tue, May 03, 2022 at 04:29:35PM +0200, Phil Sutter wrote: > Hi, > > On Mon, May 02, 2022 at 05:31:49PM +0200, Pablo Neira Ayuso wrote: > > Starting Linux kernel 5.18-rc, operations on registers that already > > contain the expected data are turned into noop. > > > > Track operation on registers to use the same register through > > nftnl_reg_get(). This patch introduces an LRU eviction strategy when all > > the registers are in used. > > > > nftnl_reg_get_scratch() is used to allocate a register as scratchpad > > area: no tracking is performed in this case, although register eviction > > might occur. > > > > Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> > > This relies upon calling nftnl_reg_get() for supported expressions (meta > and payload) only, right? Yes, I'll follow up to add remaining expressions, when adding support for dynamic register allocation for nft.
