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From f2e06656d04a9fcb0603802a4f8ce7aa3a1f055e Mon Sep 17 00:00:00 2001
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From: Stefan Liebler <stli@linux.ibm.com>
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Date: Tue, 5 Oct 2021 16:14:10 +0200
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Subject: [PATCH] S390: Add PCI_MIO and SIE HWCAPs
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Both new HWCAPs were introduced in these kernel commits:
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- 7e8403ecaf884f307b627f3c371475913dd29292
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"s390: add HWCAP_S390_PCI_MIO to ELF hwcaps"
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- 7e82523f2583e9813e4109df3656707162541297
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"s390/hwcaps: make sie capability regular hwcap"
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Also note that the kernel commit 511ad531afd4090625def4d9aba1f5227bd44b8e
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"s390/hwcaps: shorten HWCAP defines" has shortened the prefix of the macros
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from "HWCAP_S390_" to "HWCAP_". For compatibility reasons, we do not
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change the prefix in public glibc header file.
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---
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sysdeps/s390/dl-procinfo.c | 4 ++--
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sysdeps/s390/dl-procinfo.h | 4 +++-
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sysdeps/unix/sysv/linux/s390/bits/hwcap.h | 7 +++++++
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3 files changed, 12 insertions(+), 3 deletions(-)
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diff --git a/sysdeps/s390/dl-procinfo.c b/sysdeps/s390/dl-procinfo.c
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index 7314c31b15..97be34fe9d 100644
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--- a/sysdeps/s390/dl-procinfo.c
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+++ b/sysdeps/s390/dl-procinfo.c
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@@ -45,13 +45,13 @@
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#if !defined PROCINFO_DECL && defined SHARED
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._dl_s390_cap_flags
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#else
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-PROCINFO_CLASS const char _dl_s390_cap_flags[21][9]
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+PROCINFO_CLASS const char _dl_s390_cap_flags[23][9]
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#endif
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#ifndef PROCINFO_DECL
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= {
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"esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp", "edat", "etf3eh",
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"highgprs", "te", "vx", "vxd", "vxe", "gs", "vxe2", "vxp", "sort", "dflt",
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- "vxp2", "nnpa"
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+ "vxp2", "nnpa", "pcimio", "sie"
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}
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#endif
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#if !defined SHARED || defined PROCINFO_DECL
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diff --git a/sysdeps/s390/dl-procinfo.h b/sysdeps/s390/dl-procinfo.h
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index 2502dd2604..d9a3b264ff 100644
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--- a/sysdeps/s390/dl-procinfo.h
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+++ b/sysdeps/s390/dl-procinfo.h
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@@ -20,7 +20,7 @@
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#define _DL_PROCINFO_H 1
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#include <ldsodefs.h>
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-#define _DL_HWCAP_COUNT 21
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+#define _DL_HWCAP_COUNT 23
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#define _DL_PLATFORMS_COUNT 10
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@@ -62,6 +62,8 @@ enum
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HWCAP_S390_DFLT = 1 << 18,
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HWCAP_S390_VXRS_PDE2 = 1 << 19,
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HWCAP_S390_NNPA = 1 << 20,
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+ HWCAP_S390_PCI_MIO = 1 << 21,
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+ HWCAP_S390_SIE = 1 << 22,
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};
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#define HWCAP_IMPORTANT (HWCAP_S390_ZARCH | HWCAP_S390_LDISP \
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diff --git a/sysdeps/unix/sysv/linux/s390/bits/hwcap.h b/sysdeps/unix/sysv/linux/s390/bits/hwcap.h
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index e9bd3684db..00e73a3e3b 100644
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--- a/sysdeps/unix/sysv/linux/s390/bits/hwcap.h
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+++ b/sysdeps/unix/sysv/linux/s390/bits/hwcap.h
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@@ -22,6 +22,11 @@
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/*
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* The following must match the kernels asm/elf.h.
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+ * Note: The kernel commit 511ad531afd4090625def4d9aba1f5227bd44b8e
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+ * "s390/hwcaps: shorten HWCAP defines" has shortened the prefix of the macros
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+ * from "HWCAP_S390_" to "HWCAP_". For compatibility reasons, we do not
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+ * change the prefix in public glibc header file.
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+ *
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* Note that these are *not* the same as the STORE FACILITY LIST bits.
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*/
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#define HWCAP_S390_ESAN3 1
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@@ -48,3 +53,5 @@
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#define HWCAP_S390_DFLT 262144
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#define HWCAP_S390_VXRS_PDE2 524288
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#define HWCAP_S390_NNPA 1048576
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+#define HWCAP_S390_PCI_MIO 2097152
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+#define HWCAP_S390_SIE 4194304
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--
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2.31.1
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