This is a note to let you know that I've just added the patch titled parisc: regs_return_value() should return gpr28 to the 5.0-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: parisc-regs_return_value-should-return-gpr28.patch and it can be found in the queue-5.0 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 45efd871bf0a47648f119d1b41467f70484de5bc Mon Sep 17 00:00:00 2001 From: Sven Schnelle <svens@xxxxxxxxxxxxxx> Date: Thu, 4 Apr 2019 18:16:03 +0200 Subject: parisc: regs_return_value() should return gpr28 From: Sven Schnelle <svens@xxxxxxxxxxxxxx> commit 45efd871bf0a47648f119d1b41467f70484de5bc upstream. While working on kretprobes for PA-RISC I was wondering while the kprobes sanity test always fails on kretprobes. This is caused by returning gpr20 instead of gpr28. Signed-off-by: Sven Schnelle <svens@xxxxxxxxxxxxxx> Signed-off-by: Helge Deller <deller@xxxxxx> Cc: stable@xxxxxxxxxxxxxxx # 4.14+ Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/parisc/include/asm/ptrace.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/parisc/include/asm/ptrace.h +++ b/arch/parisc/include/asm/ptrace.h @@ -22,7 +22,7 @@ unsigned long profile_pc(struct pt_regs static inline unsigned long regs_return_value(struct pt_regs *regs) { - return regs->gr[20]; + return regs->gr[28]; } static inline void instruction_pointer_set(struct pt_regs *regs, Patches currently in stable-queue which might be from svens@xxxxxxxxxxxxxx are queue-5.0/parisc-regs_return_value-should-return-gpr28.patch queue-5.0/parisc-also-set-iaoq_b-in-instruction_pointer_set.patch