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Rao" Subject: Re: [PATCH] powerpc/ppc-opcode: Fix PPC_RAW_TW() To: Christophe Leroy , Michael Ellerman , Nicholas Piggin Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org References: In-Reply-To: MIME-Version: 1.0 User-Agent: astroid/4d6b06ad (https://github.com/astroidmail/astroid) Message-Id: <1659541432.y9rey7qhxm.naveen@linux.ibm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: ijKNSpjW8z-QTTXwOl7R4MbyMdscKlHI X-Proofpoint-ORIG-GUID: jtGXpCJ08l8x186Yh2o2Q8nxISKmJS-t X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-03_03,2022-08-02_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 priorityscore=1501 adultscore=0 bulkscore=0 mlxlogscore=999 suspectscore=0 clxscore=1015 spamscore=0 mlxscore=0 lowpriorityscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2208030070 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Christophe Leroy wrote: > PPC_RAW_TW() is erroneously defined with base code 0x7f000008 > instead of 0x7c000008. >=20 > That's invisible because its only user is PPC_RAW_TRAP() which is > 0x7fe00008, but fix it anyway to avoid any risk of future bug. >=20 > Reported-by: Naveen N. Rao > Fixes: d00d762daf12 ("powerpc/ppc-opcode: Define and use PPC_RAW_TRAP() a= nd PPC_RAW_TW()") > Signed-off-by: Christophe Leroy > --- > arch/powerpc/include/asm/ppc-opcode.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Thanks. Reviewed-by: Naveen N. Rao >=20 > diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include= /asm/ppc-opcode.h > index d9703c5fd713..c6d724104ed1 100644 > --- a/arch/powerpc/include/asm/ppc-opcode.h > +++ b/arch/powerpc/include/asm/ppc-opcode.h > @@ -571,7 +571,7 @@ > =20 > #define PPC_RAW_BRANCH(offset) (0x48000000 | PPC_LI(offset)) > #define PPC_RAW_BL(offset) (0x48000001 | PPC_LI(offset)) > -#define PPC_RAW_TW(t0, a, b) (0x7f000008 | ___PPC_RS(t0) | ___PPC_RA(a)= | ___PPC_RB(b)) > +#define PPC_RAW_TW(t0, a, b) (0x7c000008 | ___PPC_RS(t0) | ___PPC_RA(a)= | ___PPC_RB(b)) > #define PPC_RAW_TRAP() PPC_RAW_TW(31, 0, 0) > #define PPC_RAW_SETB(t, bfa) (0x7c000100 | ___PPC_RT(t) | ___PPC_RA((bf= a) << 2)) > =20 > --=20 > 2.36.1 >=20 >=20