linux-kernel - [PATCH 06/10] staging: mt7621-mmc: Bill the caller for I/O time

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 for Android: free password hash cracker in your pocket

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

Message-Id: <20190220051754.12195-7-thirtythreeforty@gmail.com>
Date:   Tue, 19 Feb 2019 22:17:50 -0700
From:   George Hilliard <thirtythreeforty@...il.com>
To:     linux-mips@...ux-mips.org
Cc:     linux-kernel@...r.kernel.org, Neil Brown <neil@...wn.name>,
        George Hilliard <thirtythreeforty@...il.com>
Subject: [PATCH 06/10] staging: mt7621-mmc: Bill the caller for I/O time

When waiting on completions, use the _io variant so the caller is
charged as using I/O.

This should have no effect on the module's functionality, only improve
CPU accounting.

Signed-off-by: George Hilliard <thirtythreeforty@...il.com>
---
 drivers/staging/mt7621-mmc/sd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c
index 97ed7510e96d..f12f9d6611c9 100644
--- a/drivers/staging/mt7621-mmc/sd.c
+++ b/drivers/staging/mt7621-mmc/sd.c
@@ -494,7 +494,7 @@ static unsigned int msdc_command_resp(struct msdc_host   *host,
 	//sdr_set_bits(host->base + MSDC_INTEN, wints);
 
 	spin_unlock(&host->lock);
-	if (!wait_for_completion_timeout(&host->cmd_done, 10 * timeout)) {
+	if (!wait_for_completion_io_timeout(&host->cmd_done, 10 * timeout)) {
 		dev_err(mmc_dev(host->mmc),
 			"%d -> XXX CMD<%d> wait_for_completion timeout ARG<0x%.8x>\n",
 			host->id, opcode, cmd->arg);
@@ -697,7 +697,7 @@ static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq)
 		msdc_dma_start(host);
 
 		spin_unlock(&host->lock);
-		if (!wait_for_completion_timeout(&host->xfer_done, DAT_TIMEOUT)) {
+		if (!wait_for_completion_io_timeout(&host->xfer_done, DAT_TIMEOUT)) {
 			dev_err(mmc_dev(host->mmc),
 				"%d -> XXX CMD<%d> wait xfer_done<%d> timeout!!\n",
 				host->id, cmd->opcode,
-- 
2.20.1