Messages in this thread | | | Date | Tue, 5 Nov 2019 09:59:16 +0100 (CET) | From | Miroslav Benes <> | Subject | Re: [PATCHv2 2/8] module/ftrace: handle patchable-function-entry |
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On Tue, 29 Oct 2019, Mark Rutland wrote:
> When using patchable-function-entry, the compiler will record the > callsites into a section named "__patchable_function_entries" rather > than "__mcount_loc". Let's abstract this difference behind a new > FTRACE_CALLSITE_SECTION, so that architectures don't have to handle this > explicitly (e.g. with custom module linker scripts). > > As parisc currently handles this explicitly, it is fixed up accordingly, > with its custom linker script removed. Since FTRACE_CALLSITE_SECTION is > only defined when DYNAMIC_FTRACE is selected, the parisc module loading > code is updated to only use the definition in that case. When > DYNAMIC_FTRACE is not selected, modules shouldn't have this section, so > this removes some redundant work in that case. > > I built parisc generic-{32,64}bit_defconfig with DYNAMIC_FTRACE enabled, > and verified that the section made it into the .ko files for modules. > > Signed-off-by: Mark Rutland <mark.rutland@arm.com> > Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> > Cc: Helge Deller <deller@gmx.de> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: James E.J. Bottomley <James.Bottomley@HansenPartnership.com> > Cc: Jessica Yu <jeyu@kernel.org> > Cc: Steven Rostedt <rostedt@goodmis.org> > Cc: Sven Schnelle <svens@stackframe.org> > Cc: linux-parisc@vger.kernel.org
For the updated patch
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
M
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