Hi Charlie, On Mon, Jul 01, 2024 at 12:00:37PM GMT, Charlie Jenkins wrote: > riscv_flush_icache has been present in syscall.2, but had no page for > itself. Add the page for this syscall. > > The syscall is named riscv_flush_icache, but the glibc function is > named __riscv_flush_icache. To handle this, name the syscall page > riscv_flush_icache.2 and point to the libc page __riscv_flush_icache.3. > > Signed-off-by: Charlie Jenkins <charlie@xxxxxxxxxxxx> > --- > Changes in v2: > - Correct text referring to title of page to be __riscv_flush_icache > - Place \- on new linie > - Drop "int" from "unsigned long int" > - Use semantic newlines > - Link to v1: https://lore.kernel.org/r/20240628-flush_icache-v1-1-76a01584f796@xxxxxxxxxxxx > --- Patch applied. Thanks! <https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/commit/?h=contrib&id=0aad18bcdd6b9e67c44a63839284f298da278646> Have a lovely day! Alex > man/man2/riscv_flush_icache.2 | 1 + > man/man3/__riscv_flush_icache.3 | 46 +++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 47 insertions(+) > > diff --git a/man/man2/riscv_flush_icache.2 b/man/man2/riscv_flush_icache.2 > new file mode 100644 > index 000000000..a6d807e9d > --- /dev/null > +++ b/man/man2/riscv_flush_icache.2 > @@ -0,0 +1 @@ > +.so man3/__riscv_flush_icache.3 > diff --git a/man/man3/__riscv_flush_icache.3 b/man/man3/__riscv_flush_icache.3 > new file mode 100644 > index 000000000..7d3aa6e40 > --- /dev/null > +++ b/man/man3/__riscv_flush_icache.3 > @@ -0,0 +1,46 @@ > +.\" Copyright (C) Rivos Inc., 2024 > +.\" > +.\" SPDX-License-Identifier: GPL-2.0-or-later > +.\" > +.TH __riscv_flush_icache 3 (date) "Linux man-pages (unreleased)" > +.SH NAME > +__riscv_flush_icache > +\- Flush icaches on RISC-V > +.SH LIBRARY > +Standard C library > +.RI ( libc ", " \-lc ) > +.SH SYNOPSIS > +.nf > +.B #include <sys/cachectl.h> > +.P > +.B int __riscv_flush_icache(void *start, void *end, \ > +unsigned long flags); > +.fi > +.SH DESCRIPTION > +.BR __riscv_flush_icache () > +enforces ordering between stores and instruction cache fetches. > +The range of addresses over which ordering is enforced is specified by > +.I start > +and > +.IR end . > +The > +.I flags > +argument controls the extent of this ordering, > +with the default behavior > +(a > +.I flags > +value of 0) > +being to enforce the fence on > +all threads in the current process. > +Setting the > +.B SYS_RISCV_FLUSH_ICACHE_LOCAL > +bit allows users to indicate that enforcing ordering on > +only the current thread is necessary. > +All other flag bits are reserved. > +.SH STANDARDS > +Linux on RISC-V. > +.SH HISTORY > +Linux 4.15. > +glibc 2.27. > +.SH SEE ALSO > +.BR syscall (2) > > --- > base-commit: d0621648b4b5a356e86cea23e842f2591461f0cf > change-id: 20240628-flush_icache-bf5a1f88032e > > Best regards, > -- > Charlie Jenkins <charlie@xxxxxxxxxxxx> > > -- <https://www.alejandro-colomar.es/>
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