From: "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 0/2] powerpc: Remove system call emulation
Date: Wed, 23 Mar 2022 17:21:34 +0530 [thread overview]
Message-ID: <cover.1648030681.git.naveen.n.rao@linux.vnet.ibm.com> (raw)
This is an update to the series posted by Nick here:
http://lkml.kernel.org/r/20220124055741.3686496-1-npiggin@gmail.com
The first patch disables probes and breakpoints on instructions that
can't be single stepped, including sc and scv. The second patch removes
system call emulation for powerpc64.
- Naveen
Naveen N. Rao (1):
powerpc: Reject probes on instructions that can't be single stepped
Nicholas Piggin (1):
powerpc/64: remove system call instruction emulation
arch/powerpc/include/asm/probes.h | 55 ++++++++++++++++++++++++++++++
arch/powerpc/kernel/interrupt_64.S | 10 ------
arch/powerpc/kernel/kprobes.c | 4 +--
arch/powerpc/kernel/uprobes.c | 5 +++
arch/powerpc/lib/sstep.c | 46 ++++++-------------------
arch/powerpc/xmon/xmon.c | 11 +++---
6 files changed, 77 insertions(+), 54 deletions(-)
base-commit: e8833c5edc5903f8c8c4fa3dd4f34d6b813c87c8
--
2.35.1
next reply other threads:[~2022-03-23 11:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-23 11:51 Naveen N. Rao [this message]
2022-03-23 11:51 ` [PATCH 1/2] powerpc: Reject probes on instructions that can't be single stepped Naveen N. Rao
2022-03-24 14:15 ` Murilo Opsfelder Araújo
2022-03-24 22:58 ` Michael Ellerman
2022-03-28 17:20 ` Naveen N. Rao
2022-03-28 18:36 ` Christophe Leroy
2022-03-30 12:03 ` Naveen N. Rao
2022-03-23 11:51 ` [PATCH 2/2] powerpc/64: remove system call instruction emulation Naveen N. Rao
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