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Wed, 13 Dec 2023 23:45:40 GMT Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 661A558051; Wed, 13 Dec 2023 23:45:40 +0000 (GMT) Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1506C5805C; Wed, 13 Dec 2023 23:45:40 +0000 (GMT) Received: from [9.61.181.199] (unknown [9.61.181.199]) by smtpav02.dal12v.mail.ibm.com (Postfix) with ESMTP; Wed, 13 Dec 2023 23:45:39 +0000 (GMT) Message-ID: Date: Wed, 13 Dec 2023 17:45:39 -0600 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/2] powerpc: Add space for HWCAP3/HWCAP4 in the TCB for future Power. Content-Language: en-US To: Manjunath Matti , libc-alpha@sourceware.org Cc: fweimer@redhat.com References: <20231205123848.2505641-1-mmatti@linux.ibm.com> From: Peter Bergner In-Reply-To: <20231205123848.2505641-1-mmatti@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: e48IRS5GlOLoctsJE3Aw1fL2_WmwrkFN X-Proofpoint-GUID: 1OrsJCGGK4xaHjRsHLQbSqACJZRkx8Nb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-13_14,2023-12-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 priorityscore=1501 suspectscore=0 spamscore=0 phishscore=0 bulkscore=0 lowpriorityscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2312130168 X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces+e=80x24.org@sourceware.org On 12/5/23 6:38 AM, Manjunath Matti wrote: > This patch reserves space for HWCAP3/HWCAP4 in the TCB of powerpc. > These hardware capabilities bits will be used by future Power > architectures. > > Versioned symbol '__parse_hwcap_3_4_and_convert_at_platform' advertises > the availability of the new HWCAP3/HWCAP4 data in the TCB. > > This is an ABI change for GLIBC 2.39. > > Suggested-by: Peter Bergner > --- > sysdeps/powerpc/Versions | 5 +++++ > sysdeps/powerpc/hwcapinfo.c | 5 +++++ > sysdeps/powerpc/nptl/tcb-offsets.sym | 1 + > sysdeps/powerpc/nptl/tls.h | 13 ++++++++++++- > .../unix/sysv/linux/powerpc/powerpc32/ld.abilist | 1 + > .../unix/sysv/linux/powerpc/powerpc64/be/ld.abilist | 1 + > .../unix/sysv/linux/powerpc/powerpc64/le/ld.abilist | 1 + > 7 files changed, 26 insertions(+), 1 deletion(-) LGTM. Reviewed-by: Peter Bergner Peter