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Date: Thu, 05 Nov 2015 11:36:44 +0900 From: Hiraku Toyooka <hiraku.toyooka.gu@...achi.com> To: linux-kernel@...r.kernel.org Cc: Tony Luck <tony.luck@...el.com>, Kees Cook <keescook@...omium.org>, Anton Vorontsov <anton@...msg.org>, Mark Salyzyn <salyzyn@...roid.com>, Colin Cross <ccross@...roid.com>, Seiji Aguchi <seiji.aguchi.tr@...achi.com> Subject: [PATCH 0/5] pstore: ramoops: support multiple pmsg instances The following series implements multiple pmsg. This feature allows userspace program to control individual content aging or priority. If a pstore backend module(e.g. ramoops) requires the multiple pmsg instances when registering itself to pstore, multiple /dev/pmsg[ID] are created. Writes to each /dev/pmsg[ID] are isolated each other. After reboot, the contents are available in /sys/fs/pstore/pmsg-[backend]-[ID]. In addition, we add multiple pmsg support for ramoops. We can specify multiple pmsg area size by its module parameter as follows. pmsg_size=0x1000,0x2000,... --- Hiraku Toyooka (5): ramoops: use persistent_ram_free() instead of kfree() for freeing prz ramoops: introduce generic init/free functions for prz pstore: support multiple pmsg instances ramoops: support multiple pmsg instances selftests/pstore: add testcases for multiple pmsg instances Documentation/ramoops.txt | 22 ++ fs/pstore/pmsg.c | 20 ++ fs/pstore/ram.c | 213 +++++++++++++++----- include/linux/pstore.h | 1 include/linux/pstore_ram.h | 8 + tools/testing/selftests/pstore/common_tests | 21 ++ .../selftests/pstore/pstore_post_reboot_tests | 27 +-- tools/testing/selftests/pstore/pstore_tests | 16 +- 8 files changed, 257 insertions(+), 71 deletions(-) -- Hiraku Toyooka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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