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Fri, 7 Jun 2024 11:46:00 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B5E9320065; Fri, 7 Jun 2024 11:45:58 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 88DD42004E; Fri, 7 Jun 2024 11:45:58 +0000 (GMT) Received: from a35lp69.lnxne.boe (unknown [9.152.108.100]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 7 Jun 2024 11:45:58 +0000 (GMT) From: Stefan Liebler To: libc-alpha@sourceware.org Cc: fweimer@redhat.com, devel@otheo.eu, adhemerval.zanella@linaro.org, bergner@linux.ibm.com, Stefan Liebler Subject: [RFC 9/9] elf: Remove HWCAP_IMPORTANT Date: Fri, 7 Jun 2024 13:42:44 +0200 Message-ID: <20240607114543.659306-10-stli@linux.ibm.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240607114543.659306-1-stli@linux.ibm.com> References: <20240607114543.659306-1-stli@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: t-daTCl30BhJUq_dTtqn7cPwdk-js21D X-Proofpoint-GUID: ShzygiqFg-pClXBKsum_HF1_YoRtnI-a X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-07_06,2024-06-06_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 bulkscore=0 spamscore=0 malwarescore=0 mlxlogscore=664 lowpriorityscore=0 mlxscore=0 priorityscore=1501 phishscore=0 impostorscore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2405010000 definitions=main-2406070085 X-Spam-Status: No, score=-10.7 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,GIT_PATCH_0,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Remove the definitions of HWCAP_IMPORTANT after removal of LD_HWCAP_MASK / tunable glibc.cpu.hwcap_mask. There HWCAP_IMPORTANT was used as default value. --- elf/dl-diagnostics.c | 1 - sysdeps/alpha/dl-procinfo.h | 3 --- sysdeps/csky/dl-procinfo.h | 3 --- sysdeps/generic/dl-procinfo.h | 3 --- sysdeps/mips/dl-procinfo.h | 3 --- sysdeps/powerpc/dl-procinfo.h | 3 --- sysdeps/s390/dl-procinfo.h | 5 ----- sysdeps/sparc/dl-procinfo.h | 5 ----- sysdeps/unix/sysv/linux/aarch64/dl-procinfo.h | 3 --- sysdeps/unix/sysv/linux/arm/dl-procinfo.h | 2 -- sysdeps/x86/dl-hwcap.h | 13 ------------- 11 files changed, 44 deletions(-) diff --git a/elf/dl-diagnostics.c b/elf/dl-diagnostics.c index e69463b2bd..c83e7770d8 100644 --- a/elf/dl-diagnostics.c +++ b/elf/dl-diagnostics.c @@ -233,7 +233,6 @@ _dl_print_diagnostics (char **environ) { _dl_diagnostics_print_labeled_string ("dl_dst_lib", DL_DST_LIB); _dl_diagnostics_print_labeled_value ("dl_hwcap", GLRO (dl_hwcap)); - _dl_diagnostics_print_labeled_value ("dl_hwcap_important", HWCAP_IMPORTANT); _dl_diagnostics_print_labeled_value ("dl_hwcap2", GLRO (dl_hwcap2)); _dl_diagnostics_print_labeled_value ("dl_hwcap3", GLRO (dl_hwcap3)); _dl_diagnostics_print_labeled_value ("dl_hwcap4", GLRO (dl_hwcap4)); diff --git a/sysdeps/alpha/dl-procinfo.h b/sysdeps/alpha/dl-procinfo.h index a5264f9f2c..8d17d42ce2 100644 --- a/sysdeps/alpha/dl-procinfo.h +++ b/sysdeps/alpha/dl-procinfo.h @@ -27,9 +27,6 @@ /* There are no hardware capabilities defined. */ #define _dl_hwcap_string(idx) "" -/* By default there is no important hardware capability. */ -#define HWCAP_IMPORTANT (0) - /* We don't have any hardware capabilities. */ #define _DL_HWCAP_COUNT 0 diff --git a/sysdeps/csky/dl-procinfo.h b/sysdeps/csky/dl-procinfo.h index 3e7c63ee67..f5f6343cf6 100644 --- a/sysdeps/csky/dl-procinfo.h +++ b/sysdeps/csky/dl-procinfo.h @@ -28,9 +28,6 @@ /* There are no hardware capabilities defined. */ #define _dl_hwcap_string(idx) "" -/* By default there is no important hardware capability. */ -#define HWCAP_IMPORTANT (0) - /* We don't have any hardware capabilities. */ #define _DL_HWCAP_COUNT 0 diff --git a/sysdeps/generic/dl-procinfo.h b/sysdeps/generic/dl-procinfo.h index 1778fd1057..93edfc00cb 100644 --- a/sysdeps/generic/dl-procinfo.h +++ b/sysdeps/generic/dl-procinfo.h @@ -25,9 +25,6 @@ /* There are no hardware capabilities defined. */ #define _dl_hwcap_string(idx) "" -/* By default there is no important hardware capability. */ -#define HWCAP_IMPORTANT (0) - /* We don't have any hardware capabilities. */ #define _DL_HWCAP_COUNT 0 diff --git a/sysdeps/mips/dl-procinfo.h b/sysdeps/mips/dl-procinfo.h index 79c2acc388..af2616e1db 100644 --- a/sysdeps/mips/dl-procinfo.h +++ b/sysdeps/mips/dl-procinfo.h @@ -27,9 +27,6 @@ /* There are no hardware capabilities defined. */ #define _dl_hwcap_string(idx) "" -/* By default there is no important hardware capability. */ -#define HWCAP_IMPORTANT (0) - /* We don't have any hardware capabilities. */ #define _DL_HWCAP_COUNT 0 diff --git a/sysdeps/powerpc/dl-procinfo.h b/sysdeps/powerpc/dl-procinfo.h index 81eb9fba87..1e746a7ab4 100644 --- a/sysdeps/powerpc/dl-procinfo.h +++ b/sysdeps/powerpc/dl-procinfo.h @@ -34,9 +34,6 @@ /* AT_HWCAP4 feature strings follow the AT_HWCAP3 feature strings. */ #define _DL_HWCAP4_OFFSET (_DL_HWCAP3_OFFSET + _DL_HWCAP_SIZE) -/* These bits influence library search. */ -#define HWCAP_IMPORTANT (PPC_FEATURE_HAS_ALTIVEC \ - + PPC_FEATURE_HAS_DFP) #define _DL_FIRST_PLATFORM 32 diff --git a/sysdeps/s390/dl-procinfo.h b/sysdeps/s390/dl-procinfo.h index 7092ed1e2d..45dd11c189 100644 --- a/sysdeps/s390/dl-procinfo.h +++ b/sysdeps/s390/dl-procinfo.h @@ -59,11 +59,6 @@ enum HWCAP_S390_SIE = 1 << 22, }; -#define HWCAP_IMPORTANT (HWCAP_S390_ZARCH | HWCAP_S390_LDISP \ - | HWCAP_S390_EIMM | HWCAP_S390_DFP \ - | HWCAP_S390_VX | HWCAP_S390_VXE \ - | HWCAP_S390_VXRS_EXT2) - /* We cannot provide a general printing function. */ #define _dl_procinfo(type, word) -1 diff --git a/sysdeps/sparc/dl-procinfo.h b/sysdeps/sparc/dl-procinfo.h index bd1cb65596..709178706c 100644 --- a/sysdeps/sparc/dl-procinfo.h +++ b/sysdeps/sparc/dl-procinfo.h @@ -52,9 +52,4 @@ _dl_hwcap_string (int idx) return GLRO(dl_sparc_cap_flags)[idx]; }; -#include -#define HWCAP_IMPORTANT_V9 (__WORDSIZE == 64 ? 0 : HWCAP_SPARC_V9) -#define HWCAP_IMPORTANT (HWCAP_IMPORTANT_V9 | HWCAP_SPARC_ULTRA3 \ - | HWCAP_SPARC_BLKINIT | HWCAP_SPARC_N2) - #endif /* dl-procinfo.h */ diff --git a/sysdeps/unix/sysv/linux/aarch64/dl-procinfo.h b/sysdeps/unix/sysv/linux/aarch64/dl-procinfo.h index 17893a5225..b85d4ad8a3 100644 --- a/sysdeps/unix/sysv/linux/aarch64/dl-procinfo.h +++ b/sysdeps/unix/sysv/linux/aarch64/dl-procinfo.h @@ -27,9 +27,6 @@ /* We cannot provide a general printing function. */ #define _dl_procinfo(type, word) -1 -/* No additional library search paths. */ -#define HWCAP_IMPORTANT HWCAP_ATOMICS - static inline const char * __attribute__ ((unused)) _dl_hwcap_string (int idx) diff --git a/sysdeps/unix/sysv/linux/arm/dl-procinfo.h b/sysdeps/unix/sysv/linux/arm/dl-procinfo.h index 85422b8edd..7d26216718 100644 --- a/sysdeps/unix/sysv/linux/arm/dl-procinfo.h +++ b/sysdeps/unix/sysv/linux/arm/dl-procinfo.h @@ -70,6 +70,4 @@ _dl_procinfo (unsigned int type, unsigned long int word) return 0; } -#define HWCAP_IMPORTANT (HWCAP_ARM_VFP | HWCAP_ARM_NEON) - #endif /* dl-procinfo.h */ diff --git a/sysdeps/x86/dl-hwcap.h b/sysdeps/x86/dl-hwcap.h index 246fdcd831..325f1c467c 100644 --- a/sysdeps/x86/dl-hwcap.h +++ b/sysdeps/x86/dl-hwcap.h @@ -18,19 +18,6 @@ #ifndef _DL_HWCAP_H #define _DL_HWCAP_H -#if IS_IN (ldconfig) -/* Since ldconfig processes both i386 and x86-64 libraries, it needs - to cover all hardware capabilities. */ -# define HWCAP_IMPORTANT \ - (HWCAP_X86_SSE2 | HWCAP_X86_64 | HWCAP_X86_AVX512_1) -#elif defined __x86_64__ -/* For 64 bit, only cover x86-64 capabilities. */ -# define HWCAP_IMPORTANT (HWCAP_X86_64 | HWCAP_X86_AVX512_1) -#else -/* For 32 bit, only cover i586, i686 and SSE2. */ -# define HWCAP_IMPORTANT (HWCAP_X86_SSE2) -#endif - enum { HWCAP_X86_SSE2 = 1 << 0, -- 2.45.0