Messages in this thread |  | | From | "Lad, Prabhakar" <> | Date | Mon, 19 Dec 2022 16:24:36 +0000 | Subject | Re: [PATCH v5 1/6] riscv: asm: alternative-macros: Introduce ALTERNATIVE_3() macro |
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Hi Conor,
On Mon, Dec 19, 2022 at 4:22 PM Conor Dooley <conor@kernel.org> wrote: > > On Mon, Dec 19, 2022 at 11:15:17AM +0000, Lad, Prabhakar wrote: > > > On Mon, Dec 12, 2022 at 11:55:00AM +0000, Prabhakar wrote: > > > > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> > > > > > > > > Introduce ALTERNATIVE_3() macro. > > > > > > > > A vendor wants to replace an old_content, but another vendor has used > > > > ALTERNATIVE_2() to patch its customized content at the same location. > > > > In this case, this vendor can use macro ALTERNATIVE_3() and then replace > > > > ALTERNATIVE_2() with ALTERNATIVE_3() to append its customized content. > > > > > > > > While at it update comment above ALTERNATIVE_2() macro and make it generic > > > > so that the comment holds good for any new addition of ALTERNATIVE_X() > > > > macros. > > > > > > > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> > > > > > + * > > > > + * Usage: > > > > + * ALTERNATIVE_x(old_content, > > > > + * new_content1, vendor_id1, errata_id1, CONFIG_k1, > > > > + * new_content2, vendor_id2, errata_id2, CONFIG_k2, > > > > + * ... > > > > + * new_contentx, vendor_idx, errata_idx, CONFIG_kx) > > > > */ > > > > #define ALTERNATIVE_2(old_content, new_content_1, vendor_id_1, errata_id_1, CONFIG_k_1, \ > > > > new_content_2, vendor_id_2, errata_id_2, CONFIG_k_2) \ > > > > _ALTERNATIVE_CFG_2(old_content, new_content_1, vendor_id_1, errata_id_1, CONFIG_k_1, \ > > > > new_content_2, vendor_id_2, errata_id_2, CONFIG_k_2) > > > > > > > > +#define ALTERNATIVE_3(old_content, new_content_1, vendor_id_1, errata_id_1, CONFIG_k_1, \ > > > > + new_content_2, vendor_id_2, errata_id_2, CONFIG_k_2, \ > > > > + new_content_3, vendor_id_3, errata_id_3, CONFIG_k_3) \ > > > > + _ALTERNATIVE_CFG_3(old_content, new_content_1, vendor_id_1, errata_id_1, CONFIG_k_1, \ > > > > + new_content_2, vendor_id_2, errata_id_2, CONFIG_k_2, \ > > > > + new_content_3, vendor_id_3, errata_id_3, CONFIG_k_3) > > > > > > btw, why is this indented with spaces when the line above it is indented > > > with tabs? (At least, that is how it appears in mutt). > > > > > I'll update it with spaces. > > The file uses tabs, so it'd be switching the spaces you added with tabs, > right? My bad that was a typo, I meant tabs :p
Cheers, Prabhakar
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