From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Nicholas Piggin <npiggin@gmail.com>, linuxppc-dev@lists.ozlabs.org
Cc: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>,
"Naveen N . Rao" <naveen.n.rao@linux.vnet.ibm.com>,
Ganesh Goudar <ganeshgr@linux.ibm.com>
Subject: Re: [PATCH v3 12/15] powerpc: ftrace_enabled helper
Date: Tue, 7 Apr 2020 07:45:15 +0200 [thread overview]
Message-ID: <71b09f76-2cba-4aa5-34d7-e10bdd681f57@c-s.fr> (raw)
In-Reply-To: <20200407051636.648369-13-npiggin@gmail.com>
Le 07/04/2020 à 07:16, Nicholas Piggin a écrit :
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
> ---
> arch/powerpc/include/asm/ftrace.h | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h
> index f54a08a2cd70..bc76970b6ee5 100644
> --- a/arch/powerpc/include/asm/ftrace.h
> +++ b/arch/powerpc/include/asm/ftrace.h
> @@ -108,9 +108,23 @@ static inline void this_cpu_enable_ftrace(void)
> {
> get_paca()->ftrace_enabled = 1;
> }
> +
> +/* Disable ftrace on this CPU if possible (may not be implemented) */
> +static inline void this_cpu_set_ftrace_enabled(u8 ftrace_enabled)
> +{
> + get_paca()->ftrace_enabled = ftrace_enabled;
> +}
> +
> +static inline u8 this_cpu_get_ftrace_enabled(void)
> +{
> + return get_paca()->ftrace_enabled;
> +}
> +
> #else /* CONFIG_PPC64 */
> static inline void this_cpu_disable_ftrace(void) { }
> static inline void this_cpu_enable_ftrace(void) { }
> +static inline void this_cpu_set_ftrace_enabled(u8 ftrace_enabled) { }
> +static inline u8 this_cpu_get_ftrace_enabled(void) { return 1; }
> #endif /* CONFIG_PPC64 */
> #endif /* !__ASSEMBLY__ */
>
>
next prev parent reply other threads:[~2020-04-07 6:01 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-07 5:16 [PATCH v3 00/15] powerpc/64: machine check and system reset fixes Nicholas Piggin
2020-04-07 5:16 ` [PATCH v3 01/15] powerpc/64s/exception: Fix machine check no-loss idle wakeup Nicholas Piggin
2020-04-07 5:16 ` [PATCH v3 02/15] powerpc/64s/exceptions: Fix in_mce accounting in unrecoverable path Nicholas Piggin
2020-04-07 5:16 ` [PATCH v3 03/15] powerpc/64s/exceptions: Change irq reconcile for NMIs from reusing _DAR to RESULT Nicholas Piggin
2020-04-07 5:16 ` [PATCH v3 04/15] powerpc/64s/exceptions: machine check reconcile irq state Nicholas Piggin
2020-04-07 5:16 ` [PATCH v3 05/15] powerpc/pseries/ras: avoid calling rtas_token in NMI paths Nicholas Piggin
2020-04-07 5:42 ` Christophe Leroy
2020-04-07 5:16 ` [PATCH v3 06/15] powerpc/pseries/ras: FWNMI_VALID off by one Nicholas Piggin
2020-04-07 5:16 ` [PATCH v3 07/15] powerpc/pseries/ras: fwnmi avoid modifying r3 in error case Nicholas Piggin
2020-04-07 5:16 ` [PATCH v3 08/15] powerpc/pseries/ras: fwnmi sreset should not interlock Nicholas Piggin
2020-04-07 5:41 ` Christophe Leroy
2020-04-07 5:16 ` [PATCH v3 09/15] powerpc/pseries: limit machine check stack to 4GB Nicholas Piggin
2020-04-07 5:38 ` Christophe Leroy
2020-04-07 5:16 ` [PATCH v3 10/15] powerpc/pseries: machine check use rtas_call_unlocked with args on stack Nicholas Piggin
2020-04-07 5:16 ` [PATCH v3 11/15] powerpc/64s: machine check interrupt update NMI accounting Nicholas Piggin
2020-04-07 5:37 ` Christophe Leroy
2020-05-06 3:50 ` Nicholas Piggin
2020-04-12 8:46 ` kbuild test robot
2020-04-07 5:16 ` [PATCH v3 12/15] powerpc: ftrace_enabled helper Nicholas Piggin
2020-04-07 5:45 ` Christophe Leroy [this message]
2020-04-07 5:16 ` [PATCH v3 13/15] powerpc/64s: machine check do not trace real-mode handler Nicholas Piggin
2020-04-07 5:45 ` Christophe Leroy
2020-04-07 5:16 ` [PATCH v3 14/15] powerpc/64s: system reset do not trace Nicholas Piggin
2020-04-07 5:45 ` Christophe Leroy
2020-04-07 5:16 ` [PATCH v3 15/15] powerpc: make unrecoverable NMIs die instead of panic Nicholas Piggin
2020-04-07 5:46 ` Christophe Leroy
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=71b09f76-2cba-4aa5-34d7-e10bdd681f57@c-s.fr \
--to=christophe.leroy@c-s.fr \
--cc=ganeshgr@linux.ibm.com \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mahesh@linux.vnet.ibm.com \
--cc=naveen.n.rao@linux.vnet.ibm.com \
--cc=npiggin@gmail.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).