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authorBrian Norris <briannorris@chromium.org>2017-02-08 22:44:44 -0800
committerKees Cook <keescook@chromium.org>2017-02-09 11:49:49 -0800
commit8672aed7bd865774257efd40929702759a869329 (patch)
tree7b1fa5d524bd20873e8f5f977e0f4b98c047c4be /include/uapi/rdma/hns-abi.h
parentd966564fcdc19e13eb6ba1fbe6b8101070339c3d (diff)
pstore: don't OOPS when there are no ftrace zones
We'll OOPS in ramoops_get_next_prz() if the platform didn't ask for any ftrace zones (i.e., cxt->fprzs will be NULL). Let's just skip this entire FTRACE section if there's no 'fprzs'. Regression seen on a coreboot/depthcharge-based Chromebook. Fixes: 2fbea82bbb89 ("pstore: Merge per-CPU ftrace records into one") Cc: Joel Fernandes <joelaf@google.com> Cc: Kees Cook <keescook@chromium.org> Signed-off-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'include/uapi/rdma/hns-abi.h')
0 files changed, 0 insertions, 0 deletions
re tries to make use of it, a triple fault occurs and the system reboots (in case of the Yoga 710-11IKB this is very early during bootup). Fix that by always mapping the first page of physical memory into the EFI pagetables. We're free to hand this page to the BIOS, as trim_bios_range() will reserve the first page and isolate it away from memory allocators anyway. Note that just reverting 129766708 alone is not enough on v4.9-rc1+ to fix the regression on affected hardware, as this commit: ab72a27da ("x86/efi: Consolidate region mapping logic") later made the first physical frame not to be mapped anyway. Reported-by: Hanka Pavlikova <hanka@ucw.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Borislav Petkov <bp@suse.de> Cc: Laura Abbott <labbott@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vojtech Pavlik <vojtech@ucw.cz> Cc: Waiman Long <waiman.long@hpe.com> Cc: linux-efi@vger.kernel.org Cc: stable@kernel.org # v4.8+ Fixes: 129766708 ("x86/efi: Only map RAM into EFI page tables if in mixed-mode") Link: http://lkml.kernel.org/r/20170127222552.22336-1-matt@codeblueprint.co.uk [ Tidied up the changelog and the comment. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/bin/netdev-times-report')