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rxrpc: Use irq-disabling spinlocks between app and I/O thread

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Where a spinlock is used by both the application thread and the I/O thread,
use irq-disabling locking so that an interrupt taken on the app thread
doesn't also slow down the I/O thread.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
David Howells
2024-12-04 07:47:01 +00:00
committed by Jakub Kicinski
parent 08d55d7cf3
commit a2ea9a9072
14 changed files with 54 additions and 60 deletions
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net/rxrpc/peer_object.c
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@@ -320,6 +320,7 @@ static void rxrpc_free_peer(struct rxrpc_peer *peer)
* Set up a new incoming peer. There shouldn't be any other matching peers
* since we've already done a search in the list from the non-reentrant context
* (the data_ready handler) that is the only place we can add new peers.
* Called with interrupts disabled.
*/
void rxrpc_new_incoming_peer(struct rxrpc_local *local, struct rxrpc_peer *peer)
{