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1ecff5ef0a
Patch series "s390: rework compat wrapper generation". As promised, I gave this a go and changed the SYSCALL_DEFINEx() infrastructure to always include the wrappers for doing the 31-bit argument conversion on s390 compat mode. This does three main things: - The UID16 rework saved a lot of duplicated code, and would probably make sense by itself, but is also required as we can no longer call sys_*() functions directly after the last step. - Removing the compat_wrapper.c file is of course the main goal here, in order to remove the need to maintain the compat_wrapper.c file when new system calls get added. Unfortunately, this requires adding some complexity in syscall_wrapper.h, and trades a small reduction in source code lines for a small increase in binary size for unused wrappers. - As an added benefit, the use of syscall_wrapper.h now makes it easy to change the syscall wrappers so they no longer see all user space register contents, similar to changes done in commits |
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