From f74b716c4e88f2b30e9e3d3ee00a5472d6902263 Mon Sep 17 00:00:00 2001
From: CentOS Sources <bugs@centos.org>
Date: Dec 11 2020 06:11:11 +0000
Subject: import gzip-1.9-11.el8


---

diff --git a/SOURCES/dfltcc-segfault.patch b/SOURCES/dfltcc-segfault.patch
new file mode 100644
index 0000000..95a9efd
--- /dev/null
+++ b/SOURCES/dfltcc-segfault.patch
@@ -0,0 +1,67 @@
+---
+ dfltcc.c | 14 ++++++++------
+ 1 file changed, 8 insertions(+), 6 deletions(-)
+
+diff --git a/dfltcc.c b/dfltcc.c
+index 86aa56e..3a5b92d 100644
+--- a/dfltcc.c
++++ b/dfltcc.c
+@@ -242,10 +242,8 @@ dfltcc_gdht (struct dfltcc_param_v0 *param)
+   dfltcc (DFLTCC_GDHT, param, NULL, NULL, &next_in, &avail_in, NULL);
+ }
+ 
+-static off_t total_in;
+-
+ static dfltcc_cc
+-dfltcc_cmpr_xpnd (struct dfltcc_param_v0 *param, int fn)
++dfltcc_cmpr_xpnd (struct dfltcc_param_v0 *param, int fn, off_t *total_in)
+ {
+   uch *next_out = outbuf + outcnt;
+   size_t avail_out = OUTBUFSIZ - outcnt;
+@@ -257,7 +255,7 @@ dfltcc_cmpr_xpnd (struct dfltcc_param_v0 *param, int fn)
+                          window);
+   off_t consumed_in = next_in - (inbuf + inptr);
+   inptr += consumed_in;
+-  total_in += consumed_in;
++  *total_in += consumed_in;
+   outcnt += ((OUTBUFSIZ - outcnt) - avail_out);
+   return cc;
+ }
+@@ -349,6 +347,7 @@ dfltcc_deflate (int pack_level)
+ 
+   union aligned_dfltcc_param_v0 ctx_v0;
+   struct dfltcc_param_v0 *param = init_param (&ctx_v0);
++  off_t total_in = 0;
+ 
+   /* Compress ifd into ofd in a loop.  */
+   while (true)
+@@ -398,7 +397,8 @@ dfltcc_deflate (int pack_level)
+         }
+ 
+       /* Compress inbuf into outbuf.  */
+-      while (dfltcc_cmpr_xpnd (param, DFLTCC_CMPR) == DFLTCC_CC_AGAIN)
++      while (dfltcc_cmpr_xpnd (param, DFLTCC_CMPR, &total_in)
++             == DFLTCC_CC_AGAIN)
+         ;
+ 
+       /* Unmask the input data.  */
+@@ -427,6 +427,7 @@ dfltcc_inflate (void)
+ 
+   union aligned_dfltcc_param_v0 ctx_v0;
+   struct dfltcc_param_v0 *param = init_param (&ctx_v0);
++  off_t total_in = 0;
+ 
+   /* Decompress ifd into ofd in a loop.  */
+   while (true)
+@@ -446,7 +447,8 @@ dfltcc_inflate (void)
+ 
+         /* Decompress inbuf into outbuf.  */
+         dfltcc_cc cc;
+-        while ((cc = dfltcc_cmpr_xpnd (param, DFLTCC_XPND)) == DFLTCC_CC_AGAIN)
++        while ((cc = dfltcc_cmpr_xpnd (param, DFLTCC_XPND, &total_in))
++               == DFLTCC_CC_AGAIN)
+           ;
+         if (cc == DFLTCC_CC_OK)
+           {
+-- 
+2.25.4
diff --git a/SPECS/gzip.spec b/SPECS/gzip.spec
index dadb12e..31194ef 100644
--- a/SPECS/gzip.spec
+++ b/SPECS/gzip.spec
@@ -1,7 +1,7 @@
 Summary: The GNU data compression program
 Name: gzip
 Version: 1.9
-Release: 9%{?dist}
+Release: 11%{?dist}
 # info pages are under GFDL license
 License: GPLv3+ and GFDL
 Group: Applications/File
@@ -21,7 +21,7 @@ Patch4: ibm2.patch
 #Patch5: ibm3.patch
 # https://lists.gnu.org/archive/html/bug-gzip/2019-07/msg00000.html
 Patch6: ibm4.patch
-
+Patch7: dfltcc-segfault.patch
 
 # Fixed in upstream code.
 # http://thread.gmane.org/gmane.comp.gnu.gzip.bugs/378
@@ -55,6 +55,7 @@ very commonly used data compression program.
 %patch4 -p1 -b .ibm2
 #%patch5 -p1 -b .ibm3
 %patch6 -p1 -b .ibm4
+%patch7 -p1
 cp %{SOURCE1} .
 autoreconf
 
@@ -66,7 +67,8 @@ export CPP="%{__cpp}"
 export CXX="%{__cxx}"
 
 %ifarch s390x
-%configure --enable-dfltcc
+export CFLAGS="$RPM_OPT_FLAGS -DDFLTCC_LEVEL_MASK=0x7e"
+%configure --enable-dfltcc 
 %else
 %configure
 %endif
@@ -115,6 +117,14 @@ fi
 %{profiledir}/*
 
 %changelog
+* Thu Oct 22 2020 Jakub Martisko <jamartis@redhat.com> - 1.9-11
+- Enable HW optimizations for modes 1-6 on s390x
+  Resolves: 1847436
+
+* Thu Oct 22 2020 Jakub Martisko <jamartis@redhat.com> - 1.9-10
+- Fix a segfault on some s390x machines when compressing multiple files
+  Resolves: 1883204
+
 * Mon Jul 15 2019 Jakub Martisko <jamartis@redhat.com> - 1.9-9
 - Another fix for the s390 patch
   Related: 1730332