Date: Mon, 12 Apr 2021 07:30:30 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Mark Johnston <markj@FreeBSD.org> Cc: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: Re: git: dfff37765ce4 - main - Rename struct device to struct _device Message-ID: <202104121430.13CEUUIq030729@slippy.cwsent.com> In-Reply-To: <202104121336.13CDaI5A029079@gitrepo.freebsd.org> References: <202104121336.13CDaI5A029079@gitrepo.freebsd.org>
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In message <202104121336.13CDaI5A029079@gitrepo.freebsd.org>, Mark Johnston wri tes: > The branch main has been updated by markj: > > URL: https://cgit.FreeBSD.org/src/commit/?id=dfff37765ce4ea4fd7db4d293b459dc8 > 4008f411 > > commit dfff37765ce4ea4fd7db4d293b459dc84008f411 > Author: Mark Johnston <markj@FreeBSD.org> > AuthorDate: 2021-04-12 13:32:30 +0000 > Commit: Mark Johnston <markj@FreeBSD.org> > CommitDate: 2021-04-12 13:32:30 +0000 > > Rename struct device to struct _device > > types.h defines device_t as a typedef of struct device *. struct device > is defined in subr_bus.c and almost all of the kernel uses device_t. > The LinuxKPI also defines a struct device, so type confusion can occur. > > This causes bugs and ambiguity for debugging tools. Rename the FreeBSD > struct device to struct _device. > > Reviewed by: gbe (man pages) > Reviewed by: rpokala, imp, jhb > MFC after: 1 week > Sponsored by: The FreeBSD Foundation > Differential Revision: https://reviews.freebsd.org/D29676 > --- > share/man/man9/device.9 | 2 +- > share/man/man9/rman.9 | 6 +++--- > sys/kern/subr_bus.c | 15 +++++++++------ > sys/powerpc/include/bus_dma.h | 4 +--- > sys/sys/pcpu.h | 2 +- > sys/sys/systm.h | 4 +--- > sys/sys/types.h | 2 +- > 7 files changed, 17 insertions(+), 18 deletions(-) Not that a name matters much but struct _device gives me a sense that the struct is ancillary. Whereas freebsd_device or fbsd_device is more descriptive and gives the struct the status it deserves. Then again, maybe it's just me. -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: https://FreeBSD.org NTP: <cy@nwtime.org> Web: https://nwtime.org The need of the many outweighs the greed of the few.
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