[PATCH] iommu: rockchip: Drop verbose prints in the interrupt handler
From: Marc Zyngier <hidden>
Date: 2018-09-27 08:10:23
Also in:
linux-iommu, linux-rockchip
From: Marc Zyngier <hidden>
Date: 2018-09-27 08:10:23
Also in:
linux-iommu, linux-rockchip
On 26/09/18 18:31, Ezequiel Garcia wrote:
On Tue, 2018-09-25 at 13:29 +0200, Joerg Roedel wrote:quoted
On Thu, Aug 30, 2018 at 07:28:32PM -0300, Ezequiel Garcia wrote:quoted
Printing verbosely via WARN macros and friends in interrupt handlers is strongly discouraged. Drop them and use proper ratelimited prints. Signed-off-by: Ezequiel Garcia <redacted> --- drivers/iommu/rockchip-iommu.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)This doesn't apply cleanly to v4.19-rc5, can you please base the patch on that tag, add the Reviewed-by and re-send?Well, after looking at the latest code, now I'm wondering why Marc changed the WARN_ON with a WARN_ON_ONCE, instead of a less verbose ratelimited print.
WARN_ONCE does it exactly once. A rate-limited printk will still spit as many messages as you want. Thanks, M. -- Jazz is not dead. It just smells funny...