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authorOhad Ben-Cohen <ohad@wizery.com>2012-02-13 09:38:23 +0200
committerOhad Ben-Cohen <ohad@wizery.com>2012-03-06 19:13:53 +0200
commit41a6ee09ee8dd7ac3a6ac12a24e26279b5d93385 (patch)
tree4bc89b62b0076ab23a848a5035bad0c4d524d816 /Documentation
parent04a9016e82193cfbe2f9111b4c59de5628fbbe3b (diff)
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remoteproc: safer boot/shutdown order
Boot the remote processor only after setting up the virtqueues, and shut it down before deleting them. Remote processors should obey virtio status changes, and therefore not manipulate/trigger the virtqueues while the virtio driver isn't ready, but it's just safer not to rely on that (plus a vq access might already be inflight while a vdev status is changed). We also don't have yet status change notifications, but that's a temporary limitation. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Cc: Brian Swetland <swetland@google.com> Cc: Iliyan Malchev <malchev@google.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Mark Grosen <mgrosen@ti.com> Cc: John Williams <john.williams@petalogix.com> Cc: Michal Simek <monstr@monstr.eu> Cc: Loic PALLARDY <loic.pallardy@stericsson.com> Cc: Ludovic BARRE <ludovic.barre@stericsson.com> Cc: Omar Ramirez Luna <omar.luna@linaro.org> Cc: Guzman Lugo Fernando <fernando.lugo@ti.com> Cc: Anna Suman <s-anna@ti.com> Cc: Clark Rob <rob@ti.com> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Saravana Kannan <skannan@codeaurora.org> Cc: David Brown <davidb@codeaurora.org> Cc: Kieran Bingham <kieranbingham@gmail.com> Cc: Tony Lindgren <tony@atomide.com>
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