From: Borislav Petkov <bp@alien8.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
rostedt@goodmis.org, mhiramat@kernel.org, bristot@redhat.com,
jbaron@akamai.com, torvalds@linux-foundation.org,
tglx@linutronix.de, mingo@kernel.org, namit@vmware.com,
hpa@zytor.com, luto@kernel.org, ard.biesheuvel@linaro.org,
jpoimboe@redhat.com
Subject: Re: [RESEND][PATCH v3 11/17] static_call: Simple self-test
Date: Thu, 26 Mar 2020 16:44:39 +0100 [thread overview]
Message-ID: <20200326154439.GD11398@zn.tnic> (raw)
In-Reply-To: <20200324142245.940973110@infradead.org>
On Tue, Mar 24, 2020 at 02:56:14PM +0100, Peter Zijlstra wrote:
>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> ---
> arch/Kconfig | 6 ++++++
> kernel/static_call.c | 28 ++++++++++++++++++++++++++++
> 2 files changed, 34 insertions(+)
Should we say something?
---
diff --git a/kernel/static_call.c b/kernel/static_call.c
index b7b7fb58afce..2f27cebd5abf 100644
--- a/kernel/static_call.c
+++ b/kernel/static_call.c
@@ -10,6 +10,9 @@
#include <linux/processor.h>
#include <asm/sections.h>
+#undef pr_fmt
+#define pr_fmt(fmt) "static_call: " fmt
+
extern struct static_call_site __start_static_call_sites[],
__stop_static_call_sites[];
@@ -381,6 +384,8 @@ DEFINE_STATIC_CALL(sc_selftest, func_a);
static int __init test_static_call_init(void)
{
+ pr_info("Running static_call selftest... \n");
+
WARN_ON(static_call(sc_selftest)(2) != 3);
static_call_update(sc_selftest, &func_b);
WARN_ON(static_call(sc_selftest)(2) != 4);
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2020-03-26 15:44 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-24 13:56 [RESEND][PATCH v3 00/17] Add static_call() Peter Zijlstra
2020-03-24 13:56 ` [RESEND][PATCH v3 01/17] notifier: Fix broken error handling pattern Peter Zijlstra
2020-03-24 13:56 ` [RESEND][PATCH v3 02/17] module: Fix up module_notifier return values Peter Zijlstra
2020-03-24 13:56 ` [RESEND][PATCH v3 03/17] module: Properly propagate MODULE_STATE_COMING failure Peter Zijlstra
2020-03-25 17:35 ` Jessica Yu
2020-03-27 4:51 ` Josh Poimboeuf
2020-03-27 12:04 ` Miroslav Benes
2020-03-24 13:56 ` [RESEND][PATCH v3 04/17] jump_label,module: Fix module lifetime for __jump_label_mod_text_reserved Peter Zijlstra
2020-03-24 13:56 ` [RESEND][PATCH v3 05/17] compiler.h: Make __ADDRESSABLE() symbol truly unique Peter Zijlstra
2020-03-24 13:56 ` [RESEND][PATCH v3 06/17] static_call: Add basic static call infrastructure Peter Zijlstra
2020-03-26 16:42 ` Nadav Amit
2020-03-26 17:01 ` Peter Zijlstra
2020-03-26 18:09 ` Nadav Amit
2020-03-26 18:28 ` Peter Zijlstra
2020-03-26 19:02 ` Nadav Amit
2020-03-26 19:13 ` Peter Zijlstra
2020-03-24 13:56 ` [RESEND][PATCH v3 07/17] static_call: Add inline " Peter Zijlstra
2020-03-26 15:54 ` Borislav Petkov
2020-03-24 13:56 ` [RESEND][PATCH v3 08/17] static_call: Avoid kprobes on inline static_call()s Peter Zijlstra
2020-03-24 13:56 ` [RESEND][PATCH v3 09/17] x86/static_call: Add out-of-line static call implementation Peter Zijlstra
2020-03-26 14:57 ` Borislav Petkov
2020-04-06 1:08 ` Fangrui Song
2020-04-06 11:04 ` Peter Zijlstra
2020-04-06 18:29 ` Nick Desaulniers
2020-03-24 13:56 ` [RESEND][PATCH v3 10/17] x86/static_call: Add inline static call implementation for x86-64 Peter Zijlstra
2020-03-26 15:17 ` Borislav Petkov
2020-03-26 16:06 ` Peter Zijlstra
2020-03-24 13:56 ` [RESEND][PATCH v3 11/17] static_call: Simple self-test Peter Zijlstra
2020-03-26 15:44 ` Borislav Petkov [this message]
2020-03-26 17:08 ` Peter Zijlstra
2020-03-26 17:33 ` Borislav Petkov
2020-03-24 13:56 ` [RESEND][PATCH v3 12/17] tracepoint: Optimize using static_call() Peter Zijlstra
2020-03-24 13:56 ` [RESEND][PATCH v3 13/17] x86/alternatives: Teach text_poke_bp() to emulate RET Peter Zijlstra
2020-03-24 13:56 ` [RESEND][PATCH v3 14/17] static_call: Add static_cond_call() Peter Zijlstra
2020-03-24 16:14 ` Linus Torvalds
2020-03-24 16:22 ` Andy Lutomirski
2020-03-24 16:33 ` Linus Torvalds
2020-03-24 17:03 ` Peter Zijlstra
2020-03-25 18:13 ` Peter Zijlstra
2020-03-25 18:26 ` Linus Torvalds
2020-03-25 19:34 ` hpa
2020-03-25 20:52 ` Linus Torvalds
2020-03-25 22:07 ` Peter Zijlstra
2020-03-24 16:54 ` Peter Zijlstra
2020-03-26 23:37 ` Rasmus Villemoes
2020-03-27 10:08 ` Peter Zijlstra
2020-03-27 13:25 ` Rasmus Villemoes
2020-03-24 13:56 ` [RESEND][PATCH v3 15/17] static_call: Handle tail-calls Peter Zijlstra
2020-03-24 13:56 ` [RESEND][PATCH v3 16/17] static_call: Allow early init Peter Zijlstra
2020-03-24 13:56 ` [RESEND][PATCH v3 17/17] x86/perf, static_call: Optimize x86_pmu methods Peter Zijlstra
2020-03-25 17:49 ` [RESEND][PATCH v3 00/17] Add static_call() Peter Zijlstra
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