Date: Thu, 9 May 2013 20:07:28 +0200 From: Marko Zec <zec@fer.hr> To: <freebsd-net@freebsd.org> Cc: Vijay Singh <vijju.singh@gmail.com> Subject: Re: VIMAGE and socreate Message-ID: <201305092007.28666.zec@fer.hr> In-Reply-To: <CALCNsJTd9GHBNTvdWJmi%2BLbiCMqu9hf0RNuK04TbDT7sDC1PsA@mail.gmail.com> References: <CALCNsJTd9GHBNTvdWJmi%2BLbiCMqu9hf0RNuK04TbDT7sDC1PsA@mail.gmail.com>
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On Thursday 09 May 2013 19:53:05 Vijay Singh wrote: > In 8.3, socreate() does: > > so = soalloc(CRED_TO_VNET(cred)); > > Is there a reason why we don't do soalloc(curvnet) here? Since > CURVNET_SET() doesn't update the vnet in the thread ucred, which is > passed into socreate(), it doesn't take effect for socket creations. Because CRED_TO_VNET(cred) and curvnet are fundamentally different things: #define CRED_TO_VNET(cr) (cr)->cr_prison->pr_vnet #define curvnet curthread->td_vnet and moreover at the time soalloc() gets called curvnet is (usually) NULL. Marko
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