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From: David Miller <davem@davemloft.net>
To: rick.p.edgecombe@intel.com
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org,
	linux-mm@kvack.org, mroos@linux.ee, mingo@redhat.com,
	namit@vmware.com, luto@kernel.org, bp@alien8.de,
	netdev@vger.kernel.org, dave.hansen@intel.com,
	sparclinux@vger.kernel.org
Subject: Re: [PATCH v2] vmalloc: Fix issues with flush flag
Date: Mon, 20 May 2019 18:43:36 -0700 (PDT)	[thread overview]
Message-ID: <20190520.184336.743103388474716249.davem@davemloft.net> (raw)
In-Reply-To: <a43f9224e6b245ade4b587a018c8a21815091f0f.camel@intel.com>

From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
Date: Tue, 21 May 2019 01:20:33 +0000

> Should it handle executing an unmapped page gracefully? Because this
> change is causing that to happen much earlier. If something was relying
> on a cached translation to execute something it could find the mapping
> disappear.

Does this work by not mapping any kernel mappings at the beginning,
and then filling in the BPF mappings in response to faults?

  reply	other threads:[~2019-05-21  1:43 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-20 20:07 Rick Edgecombe
2019-05-20 21:25 ` Andy Lutomirski
2019-05-20 21:48   ` Edgecombe, Rick P
2019-05-20 21:36 ` Meelis Roos
2019-05-20 22:17   ` Edgecombe, Rick P
2019-05-20 22:48     ` David Miller
2019-05-21  0:20       ` Edgecombe, Rick P
2019-05-21  0:33         ` David Miller
2019-05-21  1:20           ` Edgecombe, Rick P
2019-05-21  1:43             ` David Miller [this message]
2019-05-21  1:59               ` Edgecombe, Rick P
2019-05-22 17:40                 ` David Miller
2019-05-22 19:26                   ` Edgecombe, Rick P
2019-05-22 22:40                     ` Edgecombe, Rick P
2019-05-24 15:50                       ` Edgecombe, Rick P

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