Hi Grant, On Mon, 29 Mar 2021 at 23:19, Grant Likely <grant.lik...@arm.com> wrote: > > > > On 29/03/2021 08:42, Simon Glass wrote: > > Hi Raghu, > > > > On Sat, 27 Mar 2021 at 03:59, <raghu.ncst...@icloud.com> wrote: > > > >> Julius, Simon, > >> > >> > >> > >> It appears there are opinions you carry around UUID being complicated, > >> bloated, code being an eyesore, parsing these lists early with > MMU/Caches > >> disabled, calculating checksums etc. While there is certainly a LOT of > >> truth to those statements, these concerns need to be put into > context and > >> may not necessarily apply to all platforms running TF-A. Standardization > >> and interoperability may be valued more on some platforms and some > of the > >> bloat and performance issues may be worth those tradeoffs. Some of these > >> concerns may not even apply on powerful CPU’s and SoC’s with lots of > >> memory. Also a quick grep for “uuid” in the TF-A repository shows that > >> there is significant use of UUID’s for FIP, some SMC’s, secure > partitions > >> etc so use of UUID is not something new to TF-A. > >> > > > > Fair enough. I hope, though, that if we can agree on a simple > > implementation like bloblist, then it becomes the standard and we can > move > > away from the problems you mention with UUIDs. > > Ummm... I don't follow. How are UUIDs either complex or bloated? A UUIDs > is simply a 128 bit number that is matched using a fixed length compare. > > What I like about the UUID scheme is it has collision avoidance built > in, and it is adopted across multiple projects.
It's partly the UUIDs and partly the code that results (see earlier in thread). But this is off-topic really, so I won't continue here. - Simon _______________________________________________ boot-architecture mailing list boot-architecture@lists.linaro.org https://lists.linaro.org/mailman/listinfo/boot-architecture
