From: "Paul E. McKenney" <paulmck@kernel.org>
To: Valentin Schneider <vschneid@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
linux-doc@vger.kernel.org, kvm@vger.kernel.org,
linux-mm@kvack.org, bpf@vger.kernel.org, x86@kernel.org,
rcu@vger.kernel.org, linux-kselftest@vger.kernel.org,
"Steven Rostedt" <rostedt@goodmis.org>,
"Masami Hiramatsu" <mhiramat@kernel.org>,
"Jonathan Corbet" <corbet@lwn.net>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Ingo Molnar" <mingo@redhat.com>,
"Borislav Petkov" <bp@alien8.de>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Wanpeng Li" <wanpengli@tencent.com>,
"Vitaly Kuznetsov" <vkuznets@redhat.com>,
"Andy Lutomirski" <luto@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Frederic Weisbecker" <frederic@kernel.org>,
"Neeraj Upadhyay" <quic_neeraju@quicinc.com>,
"Joel Fernandes" <joel@joelfernandes.org>,
"Josh Triplett" <josh@joshtriplett.org>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Mathieu Desnoyers" <mathieu.desnoyers@efficios.com>,
"Lai Jiangshan" <jiangshanlai@gmail.com>,
Zqiang <qiang.zhang1211@gmail.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Uladzislau Rezki" <urezki@gmail.com>,
"Christoph Hellwig" <hch@infradead.org>,
"Lorenzo Stoakes" <lstoakes@gmail.com>,
"Josh Poimboeuf" <jpoimboe@kernel.org>,
"Jason Baron" <jbaron@akamai.com>,
"Kees Cook" <keescook@chromium.org>,
"Sami Tolvanen" <samitolvanen@google.com>,
"Ard Biesheuvel" <ardb@kernel.org>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Juerg Haefliger" <juerg.haefliger@canonical.com>,
"Nicolas Saenz Julienne" <nsaenz@kernel.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
"Nadav Amit" <namit@vmware.com>,
"Dan Carpenter" <error27@gmail.com>,
"Chuang Wang" <nashuiliang@gmail.com>,
"Yang Jihong" <yangjihong1@huawei.com>,
"Petr Mladek" <pmladek@suse.com>,
"Jason A. Donenfeld" <Jason@zx2c4.com>,
"Song Liu" <song@kernel.org>,
"Julian Pidancet" <julian.pidancet@oracle.com>,
"Tom Lendacky" <thomas.lendacky@amd.com>,
"Dionna Glaze" <dionnaglaze@google.com>,
"Thomas Weißschuh" <linux@weissschuh.net>,
"Juri Lelli" <juri.lelli@redhat.com>,
"Daniel Bristot de Oliveira" <bristot@redhat.com>,
"Marcelo Tosatti" <mtosatti@redhat.com>,
"Yair Podemsky" <ypodemsk@redhat.com>
Subject: Re: [RFC PATCH v2 17/20] rcutorture: Add a test config to torture test low RCU_DYNTICKS width
Date: Fri, 21 Jul 2023 07:07:12 -0700 [thread overview]
Message-ID: <7d2fdbb7-e574-40e8-8561-40a3873abc88@paulmck-laptop> (raw)
In-Reply-To: <xhsmhmszpu24i.mognet@vschneid.remote.csb>
On Fri, Jul 21, 2023 at 08:58:53AM +0100, Valentin Schneider wrote:
> On 20/07/23 21:00, Paul E. McKenney wrote:
> > On Thu, Jul 20, 2023 at 12:53:05PM -0700, Paul E. McKenney wrote:
> >> On Thu, Jul 20, 2023 at 05:30:53PM +0100, Valentin Schneider wrote:
> >> > diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE11 b/tools/testing/selftests/rcutorture/configs/rcu/TREE11
> >> > new file mode 100644
> >> > index 0000000000000..aa7274efd9819
> >> > --- /dev/null
> >> > +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE11
> >> > @@ -0,0 +1,19 @@
> >> > +CONFIG_SMP=y
> >> > +CONFIG_NR_CPUS=8
> >> > +CONFIG_PREEMPT_NONE=n
> >> > +CONFIG_PREEMPT_VOLUNTARY=y
> >> > +CONFIG_PREEMPT=n
> >> > +CONFIG_PREEMPT_DYNAMIC=n
> >> > +#CHECK#CONFIG_TREE_RCU=y
> >> > +CONFIG_HZ_PERIODIC=n
> >> > +CONFIG_NO_HZ_IDLE=n
> >> > +CONFIG_NO_HZ_FULL=y
> >> > +CONFIG_RCU_TRACE=y
> >> > +CONFIG_RCU_FANOUT=4
> >> > +CONFIG_RCU_FANOUT_LEAF=3
> >> > +CONFIG_DEBUG_LOCK_ALLOC=n
> >> > +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
> >> > +CONFIG_RCU_EXPERT=y
> >> > +CONFIG_RCU_EQS_DEBUG=y
> >> > +CONFIG_RCU_LAZY=y
> >> > +CONFIG_RCU_DYNTICKS_BITS=2
> >>
> >> Why not just add this last line to the existing TREE04 scenario?
> >> That would ensure that it gets tested regularly without extending the
> >> time required to run a full set of rcutorture tests.
> >
> > Please see below for the version of this patch that I am running overnight
> > tests with. Does this one work for you?
>
> Yep that's fine with me. I only went with a separate test file as wasn't
> sure how new test options should be handled (merged into existing tests vs
> new tests created), and didn't want to negatively impact TREE04 or
> TREE06. If merging into TREE04 is preferred, then I'll do just that and
> carry this path moving forwards.
Things worked fine for this one-hour-per-scenario test run on my laptop,
except for the CONFIG_SMP=n runs, which all got build errors like the
following.
Thanx, Paul
------------------------------------------------------------------------
In file included from ./include/linux/container_of.h:5,
from ./include/linux/list.h:5,
from ./include/linux/swait.h:5,
from ./include/linux/completion.h:12,
from ./include/linux/crypto.h:15,
from arch/x86/kernel/asm-offsets.c:9:
./include/linux/context_tracking_state.h:56:61: error: ‘struct context_tracking’ has no member named ‘state’
56 | #define CT_STATE_SIZE (sizeof(((struct context_tracking *)0)->state) * BITS_PER_BYTE)
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro ‘__static_assert’
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/context_tracking_state.h:73:1: note: in expansion of macro ‘static_assert’
73 | static_assert((CONTEXT_STATE_END + 1 - CONTEXT_STATE_START) +
| ^~~~~~~~~~~~~
./include/linux/context_tracking_state.h:61:29: note: in expansion of macro ‘CT_STATE_SIZE’
61 | #define RCU_DYNTICKS_START (CT_STATE_SIZE - CONFIG_RCU_DYNTICKS_BITS)
| ^~~~~~~~~~~~~
./include/linux/context_tracking_state.h:70:29: note: in expansion of macro ‘RCU_DYNTICKS_START’
70 | #define CONTEXT_WORK_END (RCU_DYNTICKS_START - 1)
| ^~~~~~~~~~~~~~~~~~
./include/linux/context_tracking_state.h:74:16: note: in expansion of macro ‘CONTEXT_WORK_END’
74 | (CONTEXT_WORK_END + 1 - CONTEXT_WORK_START) +
| ^~~~~~~~~~~~~~~~
./include/linux/context_tracking_state.h:56:61: error: ‘struct context_tracking’ has no member named ‘state’
56 | #define CT_STATE_SIZE (sizeof(((struct context_tracking *)0)->state) * BITS_PER_BYTE)
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro ‘__static_assert’
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/context_tracking_state.h:73:1: note: in expansion of macro ‘static_assert’
73 | static_assert((CONTEXT_STATE_END + 1 - CONTEXT_STATE_START) +
| ^~~~~~~~~~~~~
./include/linux/context_tracking_state.h:62:29: note: in expansion of macro ‘CT_STATE_SIZE’
62 | #define RCU_DYNTICKS_END (CT_STATE_SIZE - 1)
| ^~~~~~~~~~~~~
./include/linux/context_tracking_state.h:75:16: note: in expansion of macro ‘RCU_DYNTICKS_END’
75 | (RCU_DYNTICKS_END + 1 - RCU_DYNTICKS_START) ==
| ^~~~~~~~~~~~~~~~
./include/linux/context_tracking_state.h:56:61: error: ‘struct context_tracking’ has no member named ‘state’
56 | #define CT_STATE_SIZE (sizeof(((struct context_tracking *)0)->state) * BITS_PER_BYTE)
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro ‘__static_assert’
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/context_tracking_state.h:73:1: note: in expansion of macro ‘static_assert’
73 | static_assert((CONTEXT_STATE_END + 1 - CONTEXT_STATE_START) +
| ^~~~~~~~~~~~~
./include/linux/context_tracking_state.h:61:29: note: in expansion of macro ‘CT_STATE_SIZE’
61 | #define RCU_DYNTICKS_START (CT_STATE_SIZE - CONFIG_RCU_DYNTICKS_BITS)
| ^~~~~~~~~~~~~
./include/linux/context_tracking_state.h:75:40: note: in expansion of macro ‘RCU_DYNTICKS_START’
75 | (RCU_DYNTICKS_END + 1 - RCU_DYNTICKS_START) ==
| ^~~~~~~~~~~~~~~~~~
./include/linux/context_tracking_state.h:56:61: error: ‘struct context_tracking’ has no member named ‘state’
56 | #define CT_STATE_SIZE (sizeof(((struct context_tracking *)0)->state) * BITS_PER_BYTE)
| ^~
./include/linux/build_bug.h:78:56: note: in definition of macro ‘__static_assert’
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/context_tracking_state.h:73:1: note: in expansion of macro ‘static_assert’
73 | static_assert((CONTEXT_STATE_END + 1 - CONTEXT_STATE_START) +
| ^~~~~~~~~~~~~
./include/linux/context_tracking_state.h:76:15: note: in expansion of macro ‘CT_STATE_SIZE’
76 | CT_STATE_SIZE);
| ^~~~~~~~~~~~~
./include/linux/context_tracking_state.h:73:15: error: expression in static assertion is not an integer
73 | static_assert((CONTEXT_STATE_END + 1 - CONTEXT_STATE_START) +
| ^
./include/linux/build_bug.h:78:56: note: in definition of macro ‘__static_assert’
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
./include/linux/context_tracking_state.h:73:1: note: in expansion of macro ‘static_assert’
73 | static_assert((CONTEXT_STATE_END + 1 - CONTEXT_STATE_START) +
| ^~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:116: arch/x86/kernel/asm-offsets.s] Error 1
make[1]: *** [/home/git/linux-rcu-1/Makefile:1275: prepare0] Error 2
make[1]: *** Waiting for unfinished jobs....
LD /home/git/linux-rcu-1/tools/objtool/objtool-in.o
LINK /home/git/linux-rcu-1/tools/objtool/objtool
make: *** [Makefile:234: __sub-make] Error 2
next prev parent reply other threads:[~2023-07-21 14:07 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-20 16:30 [RFC PATCH v2 00/20] context_tracking,x86: Defer some IPIs until a user->kernel transition Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 01/20] tracing/filters: Dynamically allocate filter_pred.regex Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 02/20] tracing/filters: Enable filtering a cpumask field by another cpumask Valentin Schneider
2023-07-26 19:41 ` Josh Poimboeuf
2023-07-27 9:46 ` Valentin Schneider
2023-07-29 19:09 ` Steven Rostedt
2023-07-31 11:19 ` Valentin Schneider
2023-07-31 15:48 ` Steven Rostedt
2023-07-20 16:30 ` [RFC PATCH v2 03/20] tracing/filters: Enable filtering a scalar field by a cpumask Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 04/20] tracing/filters: Enable filtering the CPU common " Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 05/20] tracing/filters: Optimise cpumask vs cpumask filtering when user mask is a single CPU Valentin Schneider
2023-07-29 19:34 ` Steven Rostedt
2023-07-31 11:20 ` Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 06/20] tracing/filters: Optimise scalar vs cpumask filtering when the " Valentin Schneider
2023-07-29 19:55 ` Steven Rostedt
2023-07-31 11:20 ` Valentin Schneider
2023-07-31 12:07 ` Dan Carpenter
2023-07-31 15:54 ` Steven Rostedt
2023-07-31 16:03 ` Dan Carpenter
2023-07-31 17:20 ` Valentin Schneider
2023-07-31 18:16 ` Steven Rostedt
2023-07-20 16:30 ` [RFC PATCH v2 07/20] tracing/filters: Optimise CPU " Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 08/20] tracing/filters: Further optimise scalar vs cpumask comparison Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 09/20] tracing/filters: Document cpumask filtering Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 10/20] jump_label,module: Don't alloc static_key_mod for __ro_after_init keys Valentin Schneider
2023-07-28 22:04 ` Peter Zijlstra
2023-07-20 16:30 ` [RFC PATCH v2 11/20] objtool: Flesh out warning related to pv_ops[] calls Valentin Schneider
2023-07-28 15:33 ` Josh Poimboeuf
2023-07-31 11:16 ` Valentin Schneider
2023-07-31 21:36 ` Josh Poimboeuf
2023-07-31 21:46 ` Peter Zijlstra
2023-08-01 16:06 ` Josh Poimboeuf
2023-08-01 18:12 ` Peter Zijlstra
2023-07-20 16:30 ` [RFC PATCH v2 12/20] objtool: Warn about non __ro_after_init static key usage in .noinstr Valentin Schneider
2023-07-28 15:35 ` Josh Poimboeuf
2023-07-31 11:18 ` Valentin Schneider
2023-07-28 16:02 ` Josh Poimboeuf
2023-07-31 11:18 ` Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 13/20] context_tracking: Make context_tracking_key __ro_after_init Valentin Schneider
2023-07-28 16:00 ` Josh Poimboeuf
2023-07-31 11:16 ` Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 14/20] x86/kvm: Make kvm_async_pf_enabled __ro_after_init Valentin Schneider
2023-10-09 16:40 ` Maxim Levitsky
2023-07-20 16:30 ` [RFC PATCH v2 15/20] context-tracking: Introduce work deferral infrastructure Valentin Schneider
2023-07-24 14:52 ` Frederic Weisbecker
2023-07-24 16:55 ` Valentin Schneider
2023-07-24 19:18 ` Frederic Weisbecker
2023-07-25 10:10 ` Valentin Schneider
2023-07-25 11:22 ` Frederic Weisbecker
2023-07-25 13:05 ` Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 16/20] rcu: Make RCU dynticks counter size configurable Valentin Schneider
2023-07-21 8:17 ` Valentin Schneider
2023-07-21 14:10 ` Paul E. McKenney
2023-07-21 15:08 ` Valentin Schneider
2023-07-21 16:09 ` Paul E. McKenney
2023-07-20 16:30 ` [RFC PATCH v2 17/20] rcutorture: Add a test config to torture test low RCU_DYNTICKS width Valentin Schneider
2023-07-20 19:53 ` Paul E. McKenney
2023-07-21 4:00 ` Paul E. McKenney
2023-07-21 7:58 ` Valentin Schneider
2023-07-21 14:07 ` Paul E. McKenney [this message]
2023-07-21 15:08 ` Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 18/20] context_tracking,x86: Defer kernel text patching IPIs Valentin Schneider
2023-07-25 10:49 ` Joel Fernandes
2023-07-25 13:36 ` Valentin Schneider
2023-07-25 17:41 ` Joel Fernandes
2023-07-25 13:39 ` Peter Zijlstra
2023-07-25 17:47 ` Joel Fernandes
2023-07-20 16:30 ` [RFC PATCH v2 19/20] context_tracking,x86: Add infrastructure to defer kernel TLBI Valentin Schneider
2023-07-20 16:30 ` [RFC PATCH v2 20/20] x86/mm, mm/vmalloc: Defer flush_tlb_kernel_range() targeting NOHZ_FULL CPUs Valentin Schneider
2023-07-21 18:15 ` Nadav Amit
2023-07-24 11:32 ` Valentin Schneider
2023-07-24 17:40 ` Dave Hansen
2023-07-25 13:21 ` Peter Zijlstra
2023-07-25 14:03 ` Valentin Schneider
2023-07-25 16:37 ` Marcelo Tosatti
2023-07-25 17:12 ` Dave Hansen
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=7d2fdbb7-e574-40e8-8561-40a3873abc88@paulmck-laptop \
--to=paulmck@kernel.org \
--cc=Jason@zx2c4.com \
--cc=akpm@linux-foundation.org \
--cc=ardb@kernel.org \
--cc=boqun.feng@gmail.com \
--cc=bp@alien8.de \
--cc=bpf@vger.kernel.org \
--cc=bristot@redhat.com \
--cc=corbet@lwn.net \
--cc=dave.hansen@linux.intel.com \
--cc=dionnaglaze@google.com \
--cc=error27@gmail.com \
--cc=frederic@kernel.org \
--cc=hch@infradead.org \
--cc=hpa@zytor.com \
--cc=jbaron@akamai.com \
--cc=jiangshanlai@gmail.com \
--cc=joel@joelfernandes.org \
--cc=josh@joshtriplett.org \
--cc=jpoimboe@kernel.org \
--cc=juerg.haefliger@canonical.com \
--cc=julian.pidancet@oracle.com \
--cc=juri.lelli@redhat.com \
--cc=keescook@chromium.org \
--cc=kirill.shutemov@linux.intel.com \
--cc=kvm@vger.kernel.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-trace-kernel@vger.kernel.org \
--cc=linux@weissschuh.net \
--cc=lstoakes@gmail.com \
--cc=luto@kernel.org \
--cc=mathieu.desnoyers@efficios.com \
--cc=mhiramat@kernel.org \
--cc=mingo@redhat.com \
--cc=mtosatti@redhat.com \
--cc=namit@vmware.com \
--cc=nashuiliang@gmail.com \
--cc=npiggin@gmail.com \
--cc=nsaenz@kernel.org \
--cc=pbonzini@redhat.com \
--cc=peterz@infradead.org \
--cc=pmladek@suse.com \
--cc=qiang.zhang1211@gmail.com \
--cc=quic_neeraju@quicinc.com \
--cc=rcu@vger.kernel.org \
--cc=rostedt@goodmis.org \
--cc=samitolvanen@google.com \
--cc=song@kernel.org \
--cc=tglx@linutronix.de \
--cc=thomas.lendacky@amd.com \
--cc=urezki@gmail.com \
--cc=vkuznets@redhat.com \
--cc=vschneid@redhat.com \
--cc=wanpengli@tencent.com \
--cc=x86@kernel.org \
--cc=yangjihong1@huawei.com \
--cc=ypodemsk@redhat.com \
/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).