[PATCH net-next 04/15] net: mlx5: Replace in_irq() usage.

Saeed Mahameed saeed at kernel.org
Wed Nov 4 06:31:50 AEDT 2020


On Sat, 2020-10-31 at 09:59 -0700, Jakub Kicinski wrote:
> On Tue, 27 Oct 2020 23:54:43 +0100 Sebastian Andrzej Siewior wrote:
> > mlx5_eq_async_int() uses in_irq() to decide whether eq::lock needs
> > to be
> > acquired and released with spin_[un]lock() or the irq
> > saving/restoring
> > variants.
> > 
> > The usage of in_*() in drivers is phased out and Linus clearly
> > requested
> > that code which changes behaviour depending on context should
> > either be
> > seperated or the context be conveyed in an argument passed by the
> > caller,
> > which usually knows the context.
> > 
> > mlx5_eq_async_int() knows the context via the action argument
> > already so
> > using it for the lock variant decision is a straight forward
> > replacement
> > for in_irq().
> > 
> > Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
> > Cc: Saeed Mahameed <saeedm at nvidia.com>
> > Cc: Leon Romanovsky <leon at kernel.org>
> > Cc: "David S. Miller" <davem at davemloft.net>
> > Cc: Jakub Kicinski <kuba at kernel.org>
> > Cc: linux-rdma at vger.kernel.org
> 
> Saeed, please pick this up into your tree.

Applied to net-next-mlx5 will submit to net-next shortly.



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