On Sun, Oct 08, 2023 at 08:36:17PM +0800, Weili Qian wrote: > If the temporarily applied memory is used to set or get the xqc > information, the driver releases the memory immediately after the > hardware mailbox operation time exceeds the driver waiting time. > However, the hardware does not cancel the operation, so the hardware > may write data to released memory. > > Therefore, when the driver is bound to a device, the driver reserves > memory for the xqc configuration. The subsequent xqc configuration > uses the reserved memory to prevent hardware from accessing the > released memory. > > Signed-off-by: Weili Qian <qianweili@xxxxxxxxxx> > --- > drivers/crypto/hisilicon/debugfs.c | 75 +++--- > drivers/crypto/hisilicon/qm.c | 332 ++++++++++++--------------- > drivers/crypto/hisilicon/qm_common.h | 5 +- > include/linux/hisi_acc_qm.h | 13 ++ > 4 files changed, 191 insertions(+), 234 deletions(-) Patch applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
