On Tue, Oct 18, 2016 at 12:13 AM, Nobuhiro Iwamatsu <[email protected]> wrote: > 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,... > > I did check the operation of this feature on CycloneV (socfpga) Helio board. > > v3: > Rebase to v4.8. > Split patch. > merged device_create(). > Remove Blank lines. > Update documentiation of DT binding. > Update parsing function of ramoops_pmsg_size, add NULL termination. > Update module parameters for pmsg_size list.
Thanks for this v3! Sorry for the delay, I should be able to review this shortly. -Kees > > Hiraku Toyooka (2): > pstore: support multiple pmsg instances > selftests/pstore: add testcases for multiple pmsg instances > > Nobuhiro Iwamatsu (6): > pstore: Replace four kzalloc() calls by kcalloc() in ramoops_init_przs() > pstore: Change parameter of ramoops_free_przs() > ramoops: Add __ramoops_init_prz() as generic function > pstore: Rename 'przs' to 'dprzs' in struct ramoops_context > ramoops: Rename ramoops_init_prz() to ramoops_init_dprzs() > ramoops: support multiple pmsg instances > > .../bindings/reserved-memory/ramoops.txt | 6 +- > Documentation/ramoops.txt | 22 ++ > fs/pstore/pmsg.c | 23 +- > fs/pstore/ram.c | 344 > ++++++++++++++++----- > 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 | 14 +- > 9 files changed, 360 insertions(+), 106 deletions(-) > > -- > 2.9.3 > > -- Kees Cook Nexus Security
