vringh_set_iotlb(9)
π vringh_set_iotlb β a Kernel API Manual moment
okay bestie, gather round, because this one is a whole function and it literally lives in vringh_set_iotlb(9) in the Kernel API Manual. it's giving "small but crucial" energy, and we're gonna read it together. π«Ά
β¨ NAME β¨
vringh_set_iotlb β initialize a vringh for a ring with IOTLB. that's it, that's the whole vibe. it sets things up. it's the setup friend. π
πΈ SYNOPSIS πΈ
void vringh_set_iotlb (struct vringh *vrh , struct vhost_iotlb *iotlb ,
spinlock_t *iotlb_lock );
so it returns void β like, no return value, no drama, it just does the thing and dips. icon behavior honestly. returns nothing and knows it. π
π ARGUMENTS π
three args, all main characters in their own way:
vrhβ the vring. yeah. the vring. the whole point of the operation. the ring in question. π«iotlbβ the iotlb associated with this vring, i.e. the iotlb that is, like, with this vring. they're linked. they're a package deal. π¦iotlb_lockβ aspinlockto synchronize the iotlb accesses. very "we must not let the threads run wild" of it. it keeps the iotlb accessing civil and orderly. πβ¨
π SEE ALSO π
bestie this list is LONG, so buckle up β but i'm not skipping a single one, because every single cross-reference is a little star β and we respect all of them:
Kernel file ./drivers/vhost/vringh.c plus these beauties:
vringh_kiov_advance(9)vringh_init_user(9)vringh_getdesc_user(9)vringh_iov_pull_user(9)vringh_iov_push_user(9)vringh_complete_user(9)vringh_complete_multi_user(9)vringh_notify_enable_user(9)vringh_notify_disable_user(9)vringh_need_notify_user(9)vringh_init_kern(9)vringh_getdesc_kern(9)vringh_complete_kern(9)vringh_notify_enable_kern(9)vringh_notify_disable_kern(9)vringh_need_notify_kern(9)vringh_init_iotlb(9)vringh_init_iotlb_va(9)vringh_getdesc_iotlb(9)vringh_iov_pull_iotlb(9)vringh_iov_push_iotlb(9)vringh_complete_iotlb(9)vringh_need_notify_iotlb(9)
like, the whole friend group showed up to the function's birthday party. ππ and yes, vringh_set_iotlb is not in that list β it's the one throwing the party, not a guest. iykyk. π
ngl, the whole page is basically: "here's a vring, here's its iotlb, here's the lock that keeps the iotlb accesses from being messy." short, sweet, and absolutely load-bearing. no cap. π₯
alright, that's the manual!! sources say it comes from ./drivers/vhost and the date on the tin is October 2026 β so mark your calendars bestie, this page is from the future (or at least the future of this doc) and honestly it ate. ππ§π see you in the next man page!! πππ
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms