Date: Sun, 2 Nov 2014 10:07:19 +0000 From: Mark R V Murray <mark@grondar.org> To: Andrey Chernov <ache@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@FreeBSD.org> Subject: Re: svn commit: r273958 - head/sys/dev/random Message-ID: <1F934348-5477-455A-A910-054628B276ED@grondar.org> In-Reply-To: <54560091.90006@freebsd.org> References: <201411020201.sA221unt091493@svn.freebsd.org> <720EB74E-094A-43F3-8B1C-47BC7F6FECC3@grondar.org> <54560091.90006@freebsd.org>
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> On 2 Nov 2014, at 09:59, Andrey Chernov <ache@FreeBSD.org> wrote: > > On 02.11.2014 12:45, Mark R V Murray wrote: >> Hi DES, >> >> I’m scared witless of this being on-by-default, for the reason given in the removed comment. I’d much prefer to see it only turned on if a kernel option is set, and the embedded folks /et al/ can use that. > > We don't need yet one kernel knob to make sysadmin life a bit more > harder. This thing needs to be autosensed somehow. F.e. if no disk > interrupts or ethernet interrupt hooks are executed, switch to AUTOSEED > automatically (or by any other automatic way). DES’s change makes no difference in a Tier-1 platform, except potentially hiding a security problem. In the embedded world Tier-2+ (MIPS/ARM) where the problem is raising its head, customised kernels are very common indeed, and this option gives further control to the engineer configuring the system. M -- Mark R V Murrayhelp
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