Messages in this thread | | | Date | Mon, 17 Apr 2023 16:08:14 -0700 | From | Dan Williams <> | Subject | RE: [PATCH v3 2/6] efi/cper: Export cper_mem_err_unpack() for use by modules |
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Terry Bowman wrote: > The CXL driver plans to use cper_print_aer() for restricted CXL host (RCH) > logging. This is not currently possible if CXL is built as a loadable > module because cper_print_aer() depends on cper_mem_err_unpack() which > is not exported. > > Export cper_mem_err_unpack() to enable cper_print_aer() usage in > CXL and other loadable modules. > > Signed-off-by: Terry Bowman <terry.bowman@amd.com> > Cc: Ard Biesheuvel <ardb@kernel.org> > Cc: linux-efi@vger.kernel.org > --- > drivers/firmware/efi/cper.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c > index 35c37f667781..ff15e12160ae 100644 > --- a/drivers/firmware/efi/cper.c > +++ b/drivers/firmware/efi/cper.c > @@ -350,6 +350,7 @@ const char *cper_mem_err_unpack(struct trace_seq *p, > > return ret; > } > +EXPORT_SYMBOL_GPL(cper_mem_err_unpack);
Looks ok to me. You could make it:
EXPORT_SYMBOL_NS_GPL(cper_mem_err_unpack, CXL)
...to make it clear that this is really only meant to be consumed by the CXL subsystem. That was also the approach taken with the otherwise internal-only insert_resource_expand_to_fit() symbol.
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