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received-spf: None (protection.outlook.com: synopsys.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: /dbPNz/Sa6wiIhMOs5GPWEh1FJ6G1BgNKzahI3vaMS5wLnLxtb45XqeQ5194d7NIp1KrZBGAr/H0gzSC3dT9wILKlwne8w4vT152jQzzBbcvA2XkDUhWTjdOtqepIg5/PvL+Sn/RFUTOFkEWND0nTsH+rXVGjbxuM7XT8aQTrbyQSMGMAj6Txba4Kg5h5vjho6b2lksne8mzEDFInuhimAs7bgKvG0vBy9c00o+FWgG2YpVIbRRbAChGBEz4GLAiwuhpgGKyF0lbcY8iBpfDcvQA5y46dgKATVbJQa+1iX3wmFLWTkqzM+7bKdlITU1nTllnFHSSytmtIsD/BGdCnVno7dfnN5Zoce26I5BaMFwZBjZl/CavapVpmEfihJ2KuNCs/chfQRH5GwJ9tMehzPtU2i+RDhJxEE8IBKw2YTLpvJFTRqW56vzYkod/rDxDCp234Y05y/Wep/l0uzx20QhBrsisQmYimjsmzV3wDCw= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 724690b2-a365-457e-ec42-08d773103327 X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Nov 2019 08:02:50.9860 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: c33c9f88-1eb7-4099-9700-16013fd9e8aa X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: ivbTXqIb9zow2CEA7rG6SaqFznfrhAXgtirlLHXFxVws3mqzq+jCz2nPaPEUUXGlnYgEWg6asFnq9Fr3KpL8GA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR1201MB0213 X-OriginatorOrg: synopsys.com Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Greg, > -----Original Message----- > From: linux-snps-arc On Beha= lf Of Greg Kroah-Hartman > Sent: Thursday, November 21, 2019 11:40 PM > To: Alexey Brodkin > Cc: Sasha Levin ; linux-snps-arc@lists.infradead.org; = linux-kernel@vger.kernel.org; > stable@vger.kernel.org > Subject: Re: [PATCH] ARC: perf: Accommodate big-endian CPU >=20 > On Tue, Nov 05, 2019 at 07:52:16PM +0000, Alexey Brodkin wrote: > > Hi Sasha, Greg, > > > > > -----Original Message----- > > > From: Sasha Levin > > > Sent: Saturday, October 26, 2019 4:11 PM > > > To: Sasha Levin ; Alexey Brodkin ; linux-snps- > > > arc@lists.infradead.org > > > Cc: linux-kernel@vger.kernel.org; stable@vger.kernel.org; stable@vger= .kernel.org > > > Subject: Re: [PATCH] ARC: perf: Accommodate big-endian CPU > > > > > > Hi, > > > > > > [This is an automated email] > > > > > > This commit has been processed because it contains a -stable tag. > > > The stable tag indicates that it's relevant for the following trees: = all > > > > > > The bot has tested the following trees: v5.3.7, v4.19.80, v4.14.150, = v4.9.197, v4.4.197. > > > > > > v5.3.7: Build OK! > > > v4.19.80: Failed to apply! Possible dependencies: > > > 0e956150fe09f ("ARC: perf: introduce Kernel PMU events support") > > > 14f81a91ad29a ("ARC: perf: trivial code cleanup") > > > baf9cc85ba01f ("ARC: perf: move HW events mapping to separate fun= ction") > > > v4.14.150: Failed to apply! Possible dependencies: > > > v4.9.197: Failed to apply! Possible dependencies: > > > v4.4.197: Failed to apply! Possible dependencies: > > > > Indeed the clash is due to > > commit baf9cc85ba01f ("ARC: perf: move HW events mapping to separate fu= nction") as tmp variable "j" > was changed on "i". So that's a fixed hunk: > > -------------------------------->8------------------------------ > > diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.= c > > index 8aec462d90fb..30f66b123541 100644 > > --- a/arch/arc/kernel/perf_event.c > > +++ b/arch/arc/kernel/perf_event.c > > @@ -490,8 +490,8 @@ static int arc_pmu_device_probe(struct platform_dev= ice *pdev) > > /* loop thru all available h/w condition indexes */ > > for (j =3D 0; j < cc_bcr.c; j++) { > > write_aux_reg(ARC_REG_CC_INDEX, j); > > - cc_name.indiv.word0 =3D read_aux_reg(ARC_REG_CC_NAME0); > > - cc_name.indiv.word1 =3D read_aux_reg(ARC_REG_CC_NAME1); > > + cc_name.indiv.word0 =3D le32_to_cpu(read_aux_reg(ARC_RE= G_CC_NAME0)); > > + cc_name.indiv.word1 =3D le32_to_cpu(read_aux_reg(ARC_RE= G_CC_NAME1)); > > > > /* See if it has been mapped to a perf event_id */ > > for (i =3D 0; i < ARRAY_SIZE(arc_pmu_ev_hw_map); i++) { > > -------------------------------->8------------------------------ > > > > Should I send a formal patch with it or it's OK for now? >=20 > We need a "formal" patch that we can apply if you want it applied. Done, see https://patchwork.ozlabs.org/patch/1201398/ and your inbox. -Alexey