From: Richard Henderson <richard.henderson@linaro.org>
To: Kyle Evans <kevans@freebsd.org>
Cc: "Warner Losh" <imp@bsdimp.com>,
qemu-devel@nongnu.org, "Thomas Huth" <thuth@redhat.com>,
f4bug@amsat.org, "Alex Bennée" <alex.bennee@linaro.org>,
"Paolo Bonzini" <pbonzini@redhat.com>
Subject: Re: [PATCH 8/9] bsd-user: implement sysctlbyname(2)
Date: Sun, 12 Feb 2023 05:07:00 -1000 [thread overview]
Message-ID: <91bd9c01-83db-0144-3ea3-044fed1643c9@linaro.org> (raw)
In-Reply-To: <CACNAnaHx1LD=7ksd_pZ2sPqHj84y-384ZtMJbgcPFcEmy94NhA@mail.gmail.com>
On 2/11/23 18:23, Kyle Evans wrote:
>>> +/*
>>> + * This syscall was created to make sysctlbyname(3) more efficient.
>>> + * Unfortunately, because we have to fake some sysctls, we can't do that.
>>
>> Can't do what? Directly use sysctlbyname?
>>
>
> How about:
>
> /*
> * This syscall was created to make sysctlbyname(3) more efficient, but
> * we can't really provide it in bsd-user. Notably, we must always translate
> * the names independently since some sysctl values have to be faked
> * for the target environment, so it still has to break down to two syscalls
> * for the underlying implementation.
> */
Better, thanks.
r~
next prev parent reply other threads:[~2023-02-12 15:08 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-10 23:18 [PATCH 0/9] 2023 Q1 bsd-user upstreaming: bugfixes and sysctl Warner Losh
2023-02-10 23:18 ` [PATCH 1/9] bsd-user: Don't truncate the return value from freebsd_syscall Warner Losh
2023-02-11 19:12 ` Richard Henderson
2023-02-10 23:18 ` [PATCH 2/9] build: Don't specify -no-pie for --static user-mode programs Warner Losh
2023-02-10 23:18 ` [PATCH 3/9] bsd-user: Add sysarch syscall Warner Losh
2023-02-11 19:27 ` Richard Henderson
2023-02-10 23:18 ` [PATCH 4/9] bsd-user: Two helper routines oidfmt and sysctl_oldcvt Warner Losh
2023-02-11 22:17 ` Richard Henderson
2023-02-12 4:11 ` Warner Losh
2023-02-12 17:01 ` Warner Losh
2023-02-12 17:11 ` Warner Losh
2023-02-10 23:18 ` [PATCH 5/9] bsd-user: sysctl helper funtions: sysctl_name2oid and sysctl_oidfmt Warner Losh
2023-02-10 23:18 ` [PATCH 6/9] bsd-user: common routine do_freebsd_sysctl_oid for all sysctl variants Warner Losh
2023-02-11 22:56 ` Richard Henderson
2023-02-11 23:40 ` Warner Losh
2023-02-11 23:59 ` Richard Henderson
2023-02-12 0:40 ` Warner Losh
2023-02-12 1:13 ` Richard Henderson
2023-02-10 23:18 ` [PATCH 7/9] bsd-user: do_freebsd_sysctl helper for sysctl(2) Warner Losh
2023-02-11 23:09 ` Richard Henderson
2023-02-12 17:53 ` Warner Losh
2023-02-10 23:18 ` [PATCH 8/9] bsd-user: implement sysctlbyname(2) Warner Losh
2023-02-11 23:13 ` Richard Henderson
2023-02-12 4:23 ` Kyle Evans
2023-02-12 15:07 ` Richard Henderson [this message]
2023-02-10 23:18 ` [PATCH 9/9] bsd-user: Add -strict Warner Losh
2023-02-11 23:19 ` Richard Henderson
2023-02-13 23:55 ` Warner Losh
2023-02-11 19:30 ` [PATCH 0/9] 2023 Q1 bsd-user upstreaming: bugfixes and sysctl Richard Henderson
2023-02-11 22:20 ` Warner Losh
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