From: Nicholas Piggin <npiggin@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
Paul Mackerras <paulus@samba.org>,
Nicholas Piggin <npiggin@gmail.com>,
Milton Miller <miltonm@us.ibm.com>
Subject: [PATCH 0/4] powerpc/64s: Fix for radix TLB invalidation bug
Date: Thu, 26 Nov 2020 20:25:26 +1000 [thread overview]
Message-ID: <20201126102530.691335-1-npiggin@gmail.com> (raw)
This fixes a tricky bug that was noticed by TLB multi-hits in a guest
stress testing CPU hotplug, but TLB invalidation means any kind of
data corruption is possible.
Thanks,
Nick
Nicholas Piggin (4):
powerpc/64s: Fix hash ISA v3.0 TLBIEL instruction generation
powerpc/64s/pseries: Fix hash tlbiel_all_isa300 for guest kernels
kernel/cpu: add arch override for clear_tasks_mm_cpumask() mm handling
powerpc/64s: Trim offlined CPUs from mm_cpumasks
arch/powerpc/include/asm/book3s/64/mmu.h | 12 ++++++++++
arch/powerpc/mm/book3s64/hash_native.c | 23 +++++++++++++-------
arch/powerpc/mm/book3s64/mmu_context.c | 20 +++++++++++++++++
arch/powerpc/platforms/powermac/smp.c | 2 ++
arch/powerpc/platforms/powernv/smp.c | 3 +++
arch/powerpc/platforms/pseries/hotplug-cpu.c | 3 +++
kernel/cpu.c | 6 ++++-
7 files changed, 60 insertions(+), 9 deletions(-)
--
2.23.0
next reply other threads:[~2020-11-26 10:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-26 10:25 Nicholas Piggin [this message]
2020-11-26 10:25 ` [PATCH 1/4] powerpc/64s: Fix hash ISA v3.0 TLBIEL instruction generation Nicholas Piggin
2020-11-26 10:25 ` [PATCH 2/4] powerpc/64s/pseries: Fix hash tlbiel_all_isa300 for guest kernels Nicholas Piggin
2020-11-26 10:25 ` [PATCH 3/4] kernel/cpu: add arch override for clear_tasks_mm_cpumask() mm handling Nicholas Piggin
2020-11-26 10:25 ` [PATCH 4/4] powerpc/64s: Trim offlined CPUs from mm_cpumasks Nicholas Piggin
2020-11-26 10:36 ` [PATCH 0/4] powerpc/64s: Fix for radix TLB invalidation bug Aneesh Kumar K.V
2020-12-04 11:59 ` Michael Ellerman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201126102530.691335-1-npiggin@gmail.com \
--to=npiggin@gmail.com \
--cc=aneesh.kumar@linux.ibm.com \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=miltonm@us.ibm.com \
--cc=paulus@samba.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).