On Fri, Mar 29, 2024 at 04:02:57PM +0530, Srish Srinivasan wrote: > On Fri, Mar 29, 2024 at 2:53 PM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > > > On Thu, Mar 28, 2024 at 06:08:05PM +0530, Srish Srinivasan wrote: > > > From: Jakub Kicinski <kuba@xxxxxxxxxx> > > > > > > commit 8590541473188741055d27b955db0777569438e3 upstream > > > > > > Since we're setting the CRYPTO_TFM_REQ_MAY_BACKLOG flag on our > > > requests to the crypto API, crypto_aead_{encrypt,decrypt} can return > > > -EBUSY instead of -EINPROGRESS in valid situations. For example, when > > > the cryptd queue for AESNI is full (easy to trigger with an > > > artificially low cryptd.cryptd_max_cpu_qlen), requests will be enqueued > > > to the backlog but still processed. In that case, the async callback > > > will also be called twice: first with err == -EINPROGRESS, which it > > > seems we can just ignore, then with err == 0. > > > > > > Compared to Sabrina's original patch this version uses the new > > > tls_*crypt_async_wait() helpers and converts the EBUSY to > > > EINPROGRESS to avoid having to modify all the error handling > > > paths. The handling is identical. > > > > > > Fixes: a54667f6728c ("tls: Add support for encryption using async offload accelerator") > > > Fixes: 94524d8fc965 ("net/tls: Add support for async decryption of tls records") > > > Co-developed-by: Sabrina Dubroca <sd@xxxxxxxxxxxxxxx> > > > Signed-off-by: Sabrina Dubroca <sd@xxxxxxxxxxxxxxx> > > > Link: https://lore.kernel.org/netdev/9681d1febfec295449a62300938ed2ae66983f28.1694018970.git.sd@xxxxxxxxxxxxxxx/ > > > Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> > > > Reviewed-by: Simon Horman <horms@xxxxxxxxxx> > > > Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> > > > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> > > > [Srish: fixed merge-conflict in stable branch linux-6.1.y, > > > needs to go on top of https://lore.kernel.org/stable/20240307155930.913525-1-lee@xxxxxxxxxx/] > > > Signed-off-by: Srish Srinivasan <srish.srinivasan@xxxxxxxxxxxx> > > > --- > > > net/tls/tls_sw.c | 22 ++++++++++++++++++++++ > > > 1 file changed, 22 insertions(+) > > > > Now queued up, thanks. > > > > Greg, this patch (i.e. v1) has hunk failures. What do you mean? it worked here just fine. > Just now I have sent v2 for this patch (after resolving hunks). > Requesting you to queue up v2: > https://lore.kernel.org/stable/20240329102540.3888561-1-srish.srinivasan@xxxxxxxxxxxx/T/#m164567a5bd32085931a1b1367ae12e4102870111 Let me see what the actual difference is...