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From: Joe Lawrence <joe.lawrence@redhat.com>
To: Petr Mladek <pmladek@suse.com>, Jiri Kosina <jikos@kernel.org>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Miroslav Benes <mbenes@suse.cz>
Cc: Jason Baron <jbaron@akamai.com>,
	Evgenii Shatokhin <eshatokhin@virtuozzo.com>,
	live-patching@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v13 12/12] selftests/livepatch: introduce tests
Date: Mon, 15 Oct 2018 15:46:59 -0400
Message-ID: <635c8f9d-8378-519a-6003-a04c2f999d2d@redhat.com> (raw)
In-Reply-To: <20181015123713.25868-13-pmladek@suse.com>

On 10/15/2018 08:37 AM, Petr Mladek wrote:
> From: Joe Lawrence <joe.lawrence@redhat.com>
> 
> Add a few livepatch modules and simple target modules that the included
> regression suite can run tests against:
> 
>   - basic livepatching (multiple patches, atomic replace)
>   - pre/post (un)patch callbacks
>   - shadow variable API
> 
> Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
> ---
>
> [ ... snip ... ]
>
> diff --git a/tools/testing/selftests/livepatch/functions.sh b/tools/testing/selftests/livepatch/functions.sh
> new file mode 100644
> index 000000000000..d448b115f06c
> --- /dev/null
> +++ b/tools/testing/selftests/livepatch/functions.sh
>
> [ ... snip ... ]
>
> +# disable_lp(modname) - disable a livepatch
> +#	modname - module name to unload
> +function disable_lp() {
> +	local mod="$1"
> +
> +	log "% echo 0 > /sys/kernel/livepatch/$mod/enabled"
> +	echo 0 > /sys/kernel/livepatch/"$mod"/enabled
> +
> + 	# Wait until the transition finishes and the livepatch gets
> +	# removed from sysfs...
> +	loop_until '[[ ! -e "/sys/kernel/livepatch/$mod" ]]' ||
> +		die "failed to disable livepatch $mod"

small nit in case there is a v14:

Applying: selftests/livepatch: introduce tests
/root/linux/.git/rebase-apply/patch:1513: space before tab in indent.
        # Wait until the transition finishes and the livepatch gets

And FWIW v13's selftests ran just fine on ppc64le over here.

-- Joe

  reply index

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-15 12:37 [PATCH v13 00/12] livepatch: Atomic replace feature Petr Mladek
2018-10-15 12:37 ` [PATCH v13 01/12] livepatch: Change void *new_func -> unsigned long new_addr in struct klp_func Petr Mladek
2018-10-15 12:37 ` [PATCH v13 02/12] livepatch: Helper macros to define livepatch structures Petr Mladek
2018-10-17 18:17   ` Josh Poimboeuf
2018-10-18 11:11     ` Petr Mladek
2018-10-18 12:58       ` Josh Poimboeuf
2018-10-24 11:28         ` Petr Mladek
2018-11-21 12:17           ` Miroslav Benes
2018-10-15 12:37 ` [PATCH v13 03/12] livepatch: Shuffle klp_enable_patch()/klp_disable_patch() code Petr Mladek
2018-10-15 12:37 ` [PATCH v13 04/12] livepatch: Consolidate klp_free functions Petr Mladek
2018-10-17 18:22   ` Josh Poimboeuf
2018-10-18 11:40     ` Petr Mladek
2018-11-21 13:59   ` Miroslav Benes
2018-11-21 14:40     ` Petr Mladek
2018-10-15 12:37 ` [PATCH v13 05/12] livepatch: Refuse to unload only livepatches available during a forced transition Petr Mladek
2018-10-17 18:35   ` Josh Poimboeuf
2018-10-18 12:09     ` Petr Mladek
2018-10-18 13:00       ` Josh Poimboeuf
2018-10-15 12:37 ` [PATCH v13 06/12] livepatch: Simplify API by removing registration step Petr Mladek
2018-10-17 19:06   ` Josh Poimboeuf
2018-10-18 12:33     ` Petr Mladek
2018-10-15 12:37 ` [PATCH v13 07/12] livepatch: Use lists to manage patches, objects and functions Petr Mladek
2018-10-17 20:31   ` Josh Poimboeuf
2018-10-18 12:34     ` Petr Mladek
2018-10-15 12:37 ` [PATCH v13 08/12] livepatch: Add atomic replace Petr Mladek
2018-11-23 12:00   ` Miroslav Benes
2018-10-15 12:37 ` [PATCH v13 09/12] livepatch: Remove Nop structures when unused Petr Mladek
2018-10-17 20:48   ` Josh Poimboeuf
2018-10-18 12:40     ` Petr Mladek
2018-10-15 12:37 ` [PATCH v13 10/12] livepatch: Atomic replace and cumulative patches documentation Petr Mladek
2018-10-15 12:37 ` [PATCH v13 11/12] livepatch: Remove ordering and refuse loading conflicting patches Petr Mladek
2018-10-15 12:37 ` [PATCH v13 12/12] selftests/livepatch: introduce tests Petr Mladek
2018-10-15 19:46   ` Joe Lawrence [this message]
2018-10-17 20:48   ` Josh Poimboeuf
2018-10-18 13:34 ` [PATCH v13 00/12] livepatch: Atomic replace feature Josh Poimboeuf

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