Re: [PATCH v2] unwind: Add sframe_(un)register() system calls
From: Heiko Carstens <hca@linux.ibm.com>
Date: 2026-05-29 08:29:46
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On Thu, May 28, 2026 at 03:10:23PM -0400, Steven Rostedt wrote:
From: Steven Rostedt <rostedt@goodmis.org> Add system calls to register and unregister sframes that can be used by dynamic linkers to tell the kernel where the sframe section is in memory for libraries it loads.
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quoted hunk ↗ jump to hunk
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index 09a7ef04d979..52519e2acdc8 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl@@ -398,3 +398,6 @@ 469 common file_setattr sys_file_setattr 470 common listns sys_listns 471 common rseq_slice_yield sys_rseq_slice_yield +472 common stacktrace_setup sys_stacktrace_setup +472 common sframe_register sys_sframe_register +473 common sframe_unregister sys_sframe_unregister
What is stacktrace_setup? And why only for s390? Looks like a leftover.