From: David Miller <davem@davemloft.net>
To: sunil.kovvuri@gmail.com
Cc: netdev@vger.kernel.org, arnd@arndb.de, linux-soc@vger.kernel.org,
skardach@marvell.com, sgoutham@marvell.com
Subject: Re: [PATCH v2 04/21] octeontx2-af: Relax resource lock into mutex
Date: Fri, 16 Nov 2018 23:20:29 -0800 (PST) [thread overview]
Message-ID: <20181116.232029.1020305436916652001.davem@davemloft.net> (raw)
In-Reply-To: <1542279586-27252-5-git-send-email-sunil.kovvuri@gmail.com>
From: sunil.kovvuri@gmail.com
Date: Thu, 15 Nov 2018 16:29:29 +0530
> From: Stanislaw Kardach <skardach@marvell.com>
>
> The resource locks does not need to be a spinlock as they are not
> used in any interrupt handling routines (only in bottom halves).
> Therefore relax them into a mutex so that later on we may use them
> in routines that might sleep.
>
> Signed-off-by: Stanislaw Kardach <skardach@marvell.com>
> Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
This is confusing because software interrupts are often called bottom
halves, and in which sleeping and thus mutexes are not allowed.
next prev parent reply other threads:[~2018-11-17 17:36 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-15 10:59 [PATCH v2 00/21] octeontx2-af: NPC MCAM support and FLR handling sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 01/21] octeontx2-af: Convert mbox handlers APIs to lowercase sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 02/21] octeontx2-af: Support to modify min/max allowed packet lengths sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 03/21] octeontx2-af: Support to get NIX HW constants from AF sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 04/21] octeontx2-af: Relax resource lock into mutex sunil.kovvuri
2018-11-17 7:20 ` David Miller [this message]
2018-11-17 16:12 ` Sunil Kovvuri
2018-11-17 19:54 ` David Miller
2018-11-15 10:59 ` [PATCH v2 05/21] octeontx2-af: NPC MCAM entry alloc/free support sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 06/21] octeontx2-af: MCAM entry installation support sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 07/21] octeontx2-af: Support for NPC MCAM counters sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 08/21] octeontx2-af: Map or unmap NPC MCAM entry and counter sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 09/21] octeontx2-af: Alloc and config NPC MCAM entry at a time sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 10/21] octeontx2-af: Add MKEX default profile sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 11/21] octeontx2-af: Support to enable/disable default MCAM entries sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 12/21] octeontx2-af: Add support for stripping STAG/CTAG sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 13/21] octeontx2-af: Verify NPA/SSO/NIX PF_FUNC mapping sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 14/21] octeontx2-af: Add FLR interrupt handler sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 15/21] octeontx2-af: Teardown NPA, NIX LF upon receiving FLR sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 16/21] octeontx2-af: Mbox communication support btw AF and it's VFs sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 17/21] octeontx2-af: Enable sriov on AF to create VFs sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 18/21] octeontx2-af: Configure AF VFs to talk over LBK channels sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 19/21] octeontx2-af: Add FLR handling support for AF's VFs sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 20/21] octeontx2-af: Add interrupt handlers for Master Enable event sunil.kovvuri
2018-11-15 10:59 ` [PATCH v2 21/21] octeontx2-af: Workarounds for HW errata sunil.kovvuri
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