On Mon, Nov 04, 2024 at 10:13:18PM +0100, Arnd Bergmann wrote: > On Mon, Nov 4, 2024, at 22:06, Charlie Jenkins wrote: > > Standardize the generation of syscall headers around syscall tables. > > Previously each architecture independently selected how syscall headers > > would be generated, or would not define a way and fallback onto > > libaudit. Convert all architectures to use a standard syscall header > > generation script and allow each architecture to override the syscall > > table to use if they do not use the generic table. > > > > As a result of these changes, no architecture will require libaudit, and > > so the fallback case of using libaudit is removed by this series. > > > > Testing: > > > > I have tested that the syscall mappings of id to name generation works > > as expected for every architecture, but I have only validated that perf > > trace compiles and runs as expected on riscv, arm64, and x86_64. > > > > Signed-off-by: Charlie Jenkins <charlie@xxxxxxxxxxxx> > > Thanks for doing this, I had plans to do this myself, but hadn't > completed that bit so far. I'm travelling at the moment, so I'm > not sure I have time to look at it in enough detail this week. > > One problem I ran into doing this previously was the incompatible > format of the tables for x86 and s390, which have conflicting > interpretations of what the '-' character means. It's possible > that this is only really relevant for the in-kernel table, > not the version in tools. > I don't think that is an issue for this usecase because the only information that is taken from the syscall table is the number and the name of the syscall. '-' doesn't appear in either of these columns! - Charlie > Arnd
