Date: Mon, 20 Jan 2025 15:50:46 GMT From: Olivier Certner <olce@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: c57c02ebf7bc - main - smr: Load to accept pointers to const pointers Message-ID: <202501201550.50KFokt2047932@gitrepo.freebsd.org>
next in thread | raw e-mail | index | archive | help
The branch main has been updated by olce: URL: https://cgit.FreeBSD.org/src/commit/?id=c57c02ebf7bcc9b02a0dc11711e8d8a6960ad34b commit c57c02ebf7bcc9b02a0dc11711e8d8a6960ad34b Author: Olivier Certner <olce@FreeBSD.org> AuthorDate: 2025-01-20 14:38:42 +0000 Commit: Olivier Certner <olce@FreeBSD.org> CommitDate: 2025-01-20 15:49:52 +0000 smr: Load to accept pointers to const pointers Pointers passed to the smr_entered_load() and smr_serialized_load() macros are in the end used as arguments to atomic_load_*ptr(), so convert them to the now acceptable 'const uintptr_t *' ones (instead of 'uintptr_tr *'), making these macros accept pointers to constant pointers. Reviewed by: kib MFC after: 4 days Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D48497 --- sys/sys/smr_types.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sys/sys/smr_types.h b/sys/sys/smr_types.h index 9da4a73c568c..0257236f7314 100644 --- a/sys/sys/smr_types.h +++ b/sys/sys/smr_types.h @@ -60,7 +60,8 @@ struct { \ */ #define smr_entered_load(p, smr) ({ \ SMR_ASSERT(SMR_ENTERED((smr)), "smr_entered_load"); \ - (__typeof((p)->__ptr))atomic_load_acq_ptr((uintptr_t *)&(p)->__ptr); \ + (__typeof((p)->__ptr))atomic_load_acq_ptr( \ + (const uintptr_t *)&(p)->__ptr); \ }) /* @@ -70,7 +71,8 @@ struct { \ */ #define smr_serialized_load(p, ex) ({ \ SMR_ASSERT(ex, "smr_serialized_load"); \ - (__typeof((p)->__ptr))atomic_load_ptr(&(p)->__ptr); \ + (__typeof((p)->__ptr))atomic_load_ptr( \ + (const uintptr_t *)&(p)->__ptr); \ }) /*
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202501201550.50KFokt2047932>