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authorBruce Ashfield <bruce.ashfield@windriver.com>2018-06-11 12:11:23 -0400
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-06-11 23:38:17 +0100
commit69e2b2ce2f499058d48a3b35febc757247e9df69 (patch)
tree0a76cc674871a843f390f0ec656ae00bb62ec78c /meta/recipes-kernel
parentb0fdaedc6e9c233f357022b0fb706cb19757f5c4 (diff)
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linux-yocto/4.15: crypto: aes-generic - fix aes-generic regression on powerpc
Integrating the following upstream commit to fix gcc regression: crypto: aes-generic - fix aes-generic regression on powerpc commit 6e36719fbe90213fbba9f50093fa2d4d69b0e93c upstream My last bugfix added -Os on the command line, which unfortunately caused a build regression on powerpc in some configurations. I've done some more analysis of the original problem and found slightly different workaround that avoids this regression and also results in better performance on gcc-7.0: -fcode-hoisting is an optimization step that got added in gcc-7 and that for all gcc-7 versions causes worse performance. This disables -fcode-hoisting on all compilers that understand the option. For gcc-7.1 and 7.2 I found the same performance as my previous patch (using -Os), in gcc-7.0 it was even better. On gcc-8 I could see no change in performance from this patch. In theory, code hoisting should not be able make things better for the AES cipher, so leaving it disabled for gcc-8 only serves to simplify the Makefile change. Reported-by: kbuild test robot <fengguang.wu@intel.com> Link: https://www.mail-archive.com/linux-crypto@vger.kernel.org/msg30418.html Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83356 Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83651 Fixes: 148b974deea9 ("crypto: aes-generic - build with -Os on gcc-7+") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Kevin Hao <kexin.hao@windriver.com> Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-kernel')
-rw-r--r--meta/recipes-kernel/linux/linux-yocto-rt_4.15.bb2
-rw-r--r--meta/recipes-kernel/linux/linux-yocto-tiny_4.15.bb2
-rw-r--r--meta/recipes-kernel/linux/linux-yocto_4.15.bb16
3 files changed, 10 insertions, 10 deletions
diff --git a/meta/recipes-kernel/linux/linux-yocto-rt_4.15.bb b/meta/recipes-kernel/linux/linux-yocto-rt_4.15.bb
index aa8571fecf..7cec80e02d 100644
--- a/meta/recipes-kernel/linux/linux-yocto-rt_4.15.bb
+++ b/meta/recipes-kernel/linux/linux-yocto-rt_4.15.bb
@@ -11,7 +11,7 @@ python () {
raise bb.parse.SkipRecipe("Set PREFERRED_PROVIDER_virtual/kernel to linux-yocto-rt to enable it")
}
-SRCREV_machine ?= "51273ff79f4ad930f4a788257f58e1266cb236e3"
+SRCREV_machine ?= "683cfd2540fcb659774458352e8fb121ec764e0e"
SRCREV_meta ?= "45c256a5ca6f9478bce212fec19e2bc273472631"
SRC_URI = "git://git.yoctoproject.org/linux-yocto.git;branch=${KBRANCH};name=machine \
diff --git a/meta/recipes-kernel/linux/linux-yocto-tiny_4.15.bb b/meta/recipes-kernel/linux/linux-yocto-tiny_4.15.bb
index a809b7c0ab..05b076af6c 100644
--- a/meta/recipes-kernel/linux/linux-yocto-tiny_4.15.bb
+++ b/meta/recipes-kernel/linux/linux-yocto-tiny_4.15.bb
@@ -9,7 +9,7 @@ LINUX_VERSION ?= "4.15.18"
KMETA = "kernel-meta"
KCONF_BSP_AUDIT_LEVEL = "2"
-SRCREV_machine ?= "51273ff79f4ad930f4a788257f58e1266cb236e3"
+SRCREV_machine ?= "683cfd2540fcb659774458352e8fb121ec764e0e"
SRCREV_meta ?= "45c256a5ca6f9478bce212fec19e2bc273472631"
PV = "${LINUX_VERSION}+git${SRCPV}"
diff --git a/meta/recipes-kernel/linux/linux-yocto_4.15.bb b/meta/recipes-kernel/linux/linux-yocto_4.15.bb
index 77b9110cfb..6e708550fa 100644
--- a/meta/recipes-kernel/linux/linux-yocto_4.15.bb
+++ b/meta/recipes-kernel/linux/linux-yocto_4.15.bb
@@ -11,14 +11,14 @@ KBRANCH_qemux86 ?= "v4.15/standard/base"
KBRANCH_qemux86-64 ?= "v4.15/standard/base"
KBRANCH_qemumips64 ?= "v4.15/standard/mti-malta64"
-SRCREV_machine_qemuarm ?= "da407e5a3514aa6cfc579f52aca8afa279b10669"
-SRCREV_machine_qemuarm64 ?= "51273ff79f4ad930f4a788257f58e1266cb236e3"
-SRCREV_machine_qemumips ?= "8d8f48f09e07bc9ba4db489eab80ae653709fb91"
-SRCREV_machine_qemuppc ?= "51273ff79f4ad930f4a788257f58e1266cb236e3"
-SRCREV_machine_qemux86 ?= "51273ff79f4ad930f4a788257f58e1266cb236e3"
-SRCREV_machine_qemux86-64 ?= "51273ff79f4ad930f4a788257f58e1266cb236e3"
-SRCREV_machine_qemumips64 ?= "9435d73112c64ae058372322d8c7a41ae9e8c000"
-SRCREV_machine ?= "51273ff79f4ad930f4a788257f58e1266cb236e3"
+SRCREV_machine_qemuarm ?= "2e7f1aeb11d0aedec2ba2ce995933221a0bfddeb"
+SRCREV_machine_qemuarm64 ?= "683cfd2540fcb659774458352e8fb121ec764e0e"
+SRCREV_machine_qemumips ?= "43122d3a461b6216ca1a4a568378eea8143cf927"
+SRCREV_machine_qemuppc ?= "683cfd2540fcb659774458352e8fb121ec764e0e"
+SRCREV_machine_qemux86 ?= "683cfd2540fcb659774458352e8fb121ec764e0e"
+SRCREV_machine_qemux86-64 ?= "683cfd2540fcb659774458352e8fb121ec764e0e"
+SRCREV_machine_qemumips64 ?= "4cc6d70306ff8bd235008d18adee0bc676dc2798"
+SRCREV_machine ?= "683cfd2540fcb659774458352e8fb121ec764e0e"
SRCREV_meta ?= "45c256a5ca6f9478bce212fec19e2bc273472631"
SRC_URI = "git://git.yoctoproject.org/linux-yocto.git;name=machine;branch=${KBRANCH}; \