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@xxxxxxx> > Cc: Ard Biesheuvel <ardb@xxxxxxxxxx> > Cc: linux-efi@xxxxxxxxxxxxxxx > --- > 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.