archives/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-03-08 03:24:45 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

riscv/kernel: update __show_regs() to print shadow stack register

Browse source 
Update __show_regs() to print the captured shadow stack pointer.  On
tasks where shadow stack is disabled, simply print 0.

Signed-off-by: Deepak Gupta <debug@rivosinc.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Tested-by: Andreas Korb <andreas.korb@aisec.fraunhofer.de> # QEMU, custom CVA6
Tested-by: Valentin Haudiquet <valentin.haudiquet@canonical.com>
Link: https://patch.msgid.link/20251112-v5_user_cfi_series-v23-18-b55691eacf4f@rivosinc.com
[pjw@kernel.org: cleaned up patch description]
Signed-off-by: Paul Walmsley <pjw@kernel.org>
This commit is contained in:
Deepak Gupta 2026-01-25 21:09:55 -07:00 • committed by Paul Walmsley
parent 66c9c713de
commit 9d0e75e25e
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
arch/riscv/kernel/process.c
View file

@ -93,8 +93,8 @@ void __show_regs(struct pt_regs *regs)
regs->s8, regs->s9, regs->s10);
pr_cont(" s11: " REG_FMT " t3 : " REG_FMT " t4 : " REG_FMT "\n",
regs->s11, regs->t3, regs->t4);
pr_cont(" t5 : " REG_FMT " t6 : " REG_FMT "\n",
regs->t5, regs->t6);
pr_cont(" t5 : " REG_FMT " t6 : " REG_FMT " ssp : " REG_FMT "\n",
regs->t5, regs->t6, get_active_shstk(current));
pr_cont("status: " REG_FMT " badaddr: " REG_FMT " cause: " REG_FMT "\n",
regs->status, regs->badaddr, regs->cause);