linux-kernel - [PATCH 09/11] remoteproc: Update max

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1476931212-1806-10-git-send-email-bjorn.andersson@linaro.org>
Date:   Wed, 19 Oct 2016 19:40:10 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 09/11] remoteproc: Update max_notifyid as we allocate vrings

Vrings are now allocated as we parse the resource table, before we
boot the rproc or register any virtio devices, so it's safe to bump
max_notifyid as part of this process.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 drivers/remoteproc/remoteproc_core.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index c242ca016496..57f12421fdd2 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -236,6 +236,10 @@ int rproc_alloc_vring(struct rproc_vdev *rvdev, int i)
 	}
 	notifyid = ret;
 
+	/* Potentially bump max_notifyid */
+	if (notifyid > rproc->max_notifyid)
+		rproc->max_notifyid = notifyid;
+
 	dev_dbg(dev, "vring%d: va %p dma %pad size 0x%x idr %d\n",
 		i, va, &dma, size, notifyid);
 
@@ -719,15 +723,6 @@ static int rproc_handle_carveout(struct rproc *rproc,
 	return ret;
 }
 
-static int rproc_count_vrings(struct rproc *rproc, struct fw_rsc_vdev *rsc,
-			      int offset, int avail)
-{
-	/* Summarize the number of notification IDs */
-	rproc->max_notifyid += rsc->num_of_vrings;
-
-	return 0;
-}
-
 /*
  * A lookup table for resource handlers. The indices are defined in
  * enum fw_resource_type.
@@ -736,7 +731,7 @@ static rproc_handle_resource_t rproc_loading_handlers[RSC_LAST] = {
 	[RSC_CARVEOUT] = (rproc_handle_resource_t)rproc_handle_carveout,
 	[RSC_DEVMEM] = (rproc_handle_resource_t)rproc_handle_devmem,
 	[RSC_TRACE] = (rproc_handle_resource_t)rproc_handle_trace,
-	[RSC_VDEV] = (rproc_handle_resource_t)rproc_count_vrings,
+	[RSC_VDEV] = NULL,
 };
 
 static rproc_handle_resource_t rproc_vdev_handler[RSC_LAST] = {
-- 
2.5.0