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Message-Id: <1467415597-7943-2-git-send-email-kys@exchange.microsoft.com> Date: Fri, 1 Jul 2016 16:26:36 -0700 From: kys@...hange.microsoft.com To: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org, devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com, vkuznets@...hat.com, jasowang@...hat.com, leann.ogasawara@...onical.com Cc: "K. Y. Srinivasan" <kys@...rosoft.com> Subject: [PATCH 2/3] Drivers: hv: vmbus: Reduce the delay between retries in vmbus_post_msg() From: K. Y. Srinivasan <kys@...rosoft.com> The current delay between retries is unnecessarily high and is negatively affecting the time it takes to boot the system. Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com> --- drivers/hv/connection.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index fcf8a02..78e6368 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -439,7 +439,7 @@ int vmbus_post_msg(void *buffer, size_t buflen) union hv_connection_id conn_id; int ret = 0; int retries = 0; - u32 msec = 1; + u32 usec = 1; conn_id.asu32 = 0; conn_id.u.id = VMBUS_MESSAGE_CONNECTION_ID; @@ -472,9 +472,9 @@ int vmbus_post_msg(void *buffer, size_t buflen) } retries++; - msleep(msec); - if (msec < 2048) - msec *= 2; + udelay(usec); + if (usec < 2048) + usec *= 2; } return ret; } -- 1.7.4.1
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