Date: Sun, 25 Nov 2012 13:37:19 +0000 From: Attilio Rao <attilio@freebsd.org> To: Pawel Jakub Dawidek <pjd@freebsd.org> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>, Adrian Chadd <adrian@freebsd.org>, Giovanni Trematerra <giovanni.trematerra@gmail.com>, freebsd-arch@freebsd.org Subject: Re: [RFQ] make witness panic an option Message-ID: <CAJ-FndAfCYmV7UawgxeKUMRaWaj%2B4XzVEUrxXnCC73sstJUqqg@mail.gmail.com> In-Reply-To: <20121125131252.GJ1460@garage.freebsd.pl> References: <CAJ-Vmo=i=Amo_QqHi4GnGie0Gc0YnK3XaRKjvBO-=SFboFYPmA@mail.gmail.com> <CACfq090EiEiG7Ou2ZMUafWN6GLT9RNK1Q4tiOHnOBWe8GYJDjA@mail.gmail.com> <CAJ-VmonE3myRyeZ%2BAe0ZOXf7wKvC44rRVkFfDaEwnk8C-=5uoA@mail.gmail.com> <CAJ-FndCZPand_rx_uXUeetGMUZu1syGwjdFS7jv9BwdzuXvXOA@mail.gmail.com> <20121125123920.GI1460@garage.freebsd.pl> <CAJ-FndCnfqG4b_StS26WcPT-RhAhvJOOVryJ7rhi__y8Xkr92g@mail.gmail.com> <20121125131252.GJ1460@garage.freebsd.pl>
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On Sun, Nov 25, 2012 at 1:12 PM, Pawel Jakub Dawidek <pjd@freebsd.org> wrote: > On Sun, Nov 25, 2012 at 12:42:16PM +0000, Attilio Rao wrote: >> On Sun, Nov 25, 2012 at 12:39 PM, Pawel Jakub Dawidek <pjd@freebsd.org> wrote: >> > WITNESS is a development tool. We don't ship production kernels with >> > WITNESS even compiled in. What is more efficient use of developer time: >> > going through full reboot cycle every time or reading the warning from >> > console, unloading a module, fixing the bug and loading it again? >> > >> > And if this option is turned off by default what is the problem? >> >> Yes, so, why do you write here? > > I'm trying to understand why do you object. Until now the only concern > you have that I found is that you are afraid of it being abused. I don't > see how this can be abused if it is turned off by default. If someone > will commit a change that will turn it on by default, believe me, I'll > unleash hell personally. So I don't understand what are you proposing. You are not proposing to switch BLESSING on and you are not proposing to import Adrian's patches in, if I get it correctly. I don't understand then. Attilio -- Peace can only be achieved by understanding - A. Einstein
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