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Fri, 07 Mar 2025 02:38:53 -0800 (PST) Message-ID: <7c6042974071699f9e5a85a4592d75a6a8c5ce4f.camel@gmail.com> Subject: Re: [PATCH] ufs: core: bsg: Add hibern8 enter/exit to ufshcd_send_bsg_uic_cmd From: Bean Huo To: Arthur Simchaev , "martin.petersen@oracle.com" , "quic_mapa@quicinc.com" , "quic_cang@quicinc.com" Cc: Avri Altman , Avi Shchislowski , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "bvanassche@acm.org" Date: Fri, 07 Mar 2025 11:38:52 +0100 In-Reply-To: References: <20250304114652.210395-1-arthur.simchaev@sandisk.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.44.4-0ubuntu2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Fri, 2025-03-07 at 09:18 +0000, Arthur Simchaev wrote: >=20 >=20 > > -----Original Message----- > > From: Bean Huo > > Sent: Thursday, March 6, 2025 2:50 PM > > To: Arthur Simchaev ; > > martin.petersen@oracle.com; quic_mapa@quicinc.com; > > quic_cang@quicinc.com > > Cc: Avri Altman ; Avi Shchislowski > > ; linux-scsi@vger.kernel.org; linux- > > kernel@vger.kernel.org; bvanassche@acm.org > > Subject: Re: [PATCH] ufs: core: bsg: Add hibern8 enter/exit to > > ufshcd_send_bsg_uic_cmd > >=20 > >=20 > > Arthur, > >=20 > > At present, we lack a user-space tool to initiate eye monitor > > measurements. > > Additionally, opening a channel for users in user land to send MP > > commands > > seems unsafe. > >=20 > >=20 > > Kind regards, > > Bean > >=20 >=20 > Hi Bean. >=20 > Actually,=C2=A0 the EOM tool was published two months ago > See the mail from Can Guo. The patch simply extends the UIC debugging > functionality from user space. > I think it is quite safe to use hibern8 functionality for debugging > purposes. >=20 > Regards > Arthur Great, we will work on that. Kind regards, Bean