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Tue, 8 Sep 2026 14:01:58 +0000 (GMT) Message-ID: Date: Tue, 8 Sep 2026 19:31:57 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 16/24] powerpc/elf: Add 32-bit REL16 relocation definitions To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Andy Lutomirski , Vincenzo Frascino , Kees Cook , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Richard Weinberger , Anton Ivanov , Johannes Berg , Russell King , Catalin Marinas , Will Deacon , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Huacai Chen , WANG Xuerui , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Bogendoerfer , Miguel Ojeda , Alex Gaynor , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Thomas Gleixner , Christophe Leroy , Boqun Feng , Nicolas Schier Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-mm@kvack.org, linux-um@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, linux-s390@vger.kernel.org, linux-mips@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-kbuild@vger.kernel.org, Jan Stancek , Arnaldo Carvalho de Melo , Alexandre Ghiti References: <20260908-vdso-absolute-reloc-v5-0-3a93791af1cf@linutronix.de> <20260908-vdso-absolute-reloc-v5-16-3a93791af1cf@linutronix.de> Content-Language: en-US From: R Nageswara Sastry In-Reply-To: <20260908-vdso-absolute-reloc-v5-16-3a93791af1cf@linutronix.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-ORIG-GUID: aYV4ngoIThgEBPmBdnotS3o7i2N5Uzjf X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA4MDE1MSBTYWx0ZWRfX3bZ8SdHju1u6 WnAXanC7whchdXDQlbM1bnHHavM3A0XM+U9uNoCZL4isixam/MSBLOyuzMVMdu6l7VHgIEoOycZ dlEr5Z5cJkZxXmkrMQ+NOqNOTMk1aXk= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA4MDE1MSBTYWx0ZWRfX1zaPWFuX+rUC riLtFhVLvRWmnm+PCm4A0algSS42oJsAX7QmPC5kzQVWr6sJJZJ7wVpRqR+HpAOpd51fNAQNH37 vcxn0gYqvf7f/c2pQ3QqZgVmDTdIfS/RCrgwXn+BM9J5Judf5wM9QvQdcwDgBfZJ80Ds6Vvk05p z3D5rC5fVpd2v5hVSFzR2x+2nIEy9S4M1fR6OpKmPCb96lJDyBnRDmLeX+GH5PRpxAeInDJhqNm 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 l/wIBo9P XsfykP24I1nXXuAdNjIXJwi9LmnbpSQ5ICH9+B11y0HUxyJzstCVp7V8IsdBpSVrPGn3Rk6vIZXgl4WPbAofJWKEevxBzKoh83LeuGzCYvcIWE8YgQCa0c9N574VsQea6r5ead9BSd2rIbJS6W+vtIWQjgFdoPnpkooE9WwA0vJBdbcsLVkTvgNy7nZokmif/GgOG5L33/7fejbW2RnqRTlCbk4vfV3lroyVgIr5Zz3uZ7fQ+YoInBFU++dL4+JH9sEWi6XjeuHboJ+dhQJvPXgQ3mnW3dYxkxrD/EC3oaxrXKFGUep/YUhNP+tOyUGHep/Iwfa8LAE4vaPePrkGVFFnLpS2lweP2EdaQprajA7T2pajo909GnvnXBdTdCc3aBsSSlSS3VH0wnO4NlO/FqwieTtYy/+G8PTROK3ollECJPo1zikXEwS5nMsgQhPnZIRrAw6FRZ64/RLoDaDU9g63Ry/J1dRtVoMwF Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 08.09.2026 12:03 PM, Thomas Weißschuh wrote: > These are used by userspace and are necessary for the vdsocheck tool. > They share the numbers with their 64-bit variants. > > Also update the copy in tools/ so they can be used by vdsocheck. > > Signed-off-by: Thomas Weißschuh Tested-by: R Nageswara Sastry System: ppc64le LPAR (IBM POWER), Linux 7.3-rc2 > --- > include/uapi/linux/elf-r.h | 7 ++++++- > tools/include/uapi/linux/elf-r.h | 7 ++++++- > 2 files changed, 12 insertions(+), 2 deletions(-) > > diff --git a/include/uapi/linux/elf-r.h b/include/uapi/linux/elf-r.h > index 72fc9045a5d4..170888422400 100644 > --- a/include/uapi/linux/elf-r.h > +++ b/include/uapi/linux/elf-r.h > @@ -182,8 +182,13 @@ > #define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */ > #define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */ > > +#define R_PPC_REL16 249 > +#define R_PPC_REL16_LO 250 > +#define R_PPC_REL16_HI 251 > +#define R_PPC_REL16_HA 252 > + > /* keep this the last entry. */ > -#define R_PPC_NUM 95 > +#define R_PPC_NUM 253 > > /* PowerPC64 relocations defined by the ABIs */ > #define R_PPC64_NONE R_PPC_NONE > diff --git a/tools/include/uapi/linux/elf-r.h b/tools/include/uapi/linux/elf-r.h > index 72fc9045a5d4..170888422400 100644 > --- a/tools/include/uapi/linux/elf-r.h > +++ b/tools/include/uapi/linux/elf-r.h > @@ -182,8 +182,13 @@ > #define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */ > #define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */ > > +#define R_PPC_REL16 249 > +#define R_PPC_REL16_LO 250 > +#define R_PPC_REL16_HI 251 > +#define R_PPC_REL16_HA 252 > + > /* keep this the last entry. */ > -#define R_PPC_NUM 95 > +#define R_PPC_NUM 253 > > /* PowerPC64 relocations defined by the ABIs */ > #define R_PPC64_NONE R_PPC_NONE > -- Thanks and Regards R.Nageswara Sastry