[PATCH v6 3/6] syscall.h: introduce syscall_set_nr()

Maciej W. Rozycki macro at orcam.me.uk
Thu Feb 20 23:19:23 UTC 2025


On Wed, 19 Feb 2025, Dmitry V. Levin wrote:

> >  May I suggest "[...] after return from syscall_trace_enter() invocation." 
> > instead?  Minor reformatting might be required for better visual alignment 
> > though.
> 
> Like this:
> 	/*
> 	 * New syscall number has to be assigned to regs[2] because
> 	 * it is loaded from there unconditionally after return from
> 	 * syscall_trace_enter() invocation.
> 	 *
> 	 * Consequently, if the syscall was indirect and nr != __NR_syscall,
> 	 * then after this assignment the syscall will cease to be indirect.
> 	 */

 Perfect, thank you!

  Maciej


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