On 11/12/2013 08:46 PM, Stephen Rothwell wrote:
Hi Daniel,
On Tue, 12 Nov 2013 09:55:29 +0100 Daniel Borkmann <dborkman@xxxxxxxxxx> wrote:
On 11/12/2013 05:55 AM, Stephen Rothwell wrote:
Today's linux-next merge of the random tree got a conflict in
drivers/char/random.c between commit 0244ad004a54 ("random32: add
prandom_reseed_late() and call when nonblocking pool becomes
initialized") from the net-next tree and commit 301f0595c0e7 ("random:
printk notifications for urandom pool initialization") from the random
tree.
I fixed it up (probably not properly - see below) and can carry the fix
as necessary (no action is required).
As per Hannes' suggestion, the result should look like (see cover
letter in [1]):
if (r->entropy_total > 128) {
r->initialized = 1;
r->entropy_total = 0;
if (r == &nonblocking_pool) {
prandom_reseed_late();
pr_notice("random: %s pool is initialized\n",
r->name);
}
}
I will use that from today. Thanks.
Hi Stephen,
This broke the build for MIPS for the malta_defconfig when using the
latest Mentor toolchain.
In file included from include/linux/fs.h:16:0,
from fs/fuse/fuse_i.h:13,
from fs/fuse/file.c:9:
fs/fuse/file.c: In function 'fuse_file_poll':
include/linux/rbtree.h:82:28: warning: 'parent' may be used
uninitialized in this function [-Wmaybe-uninitialized]
fs/fuse/file.c:2580:27: note: 'parent' was declared here
drivers/char/random.c: In function 'init_std_data':
drivers/char/random.c:1249:1: internal compiler error: in
add_insn_before, at emit-rtl.c:3857
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://sourcery.mentor.com/GNUToolchain/> for instructions.
make[2]: *** [drivers/char/random.o] Error 1
make[1]: *** [drivers/char] Error 2
make: *** [drivers] Error 2
make: *** Waiting for unfinished jobs....
If you want to reproduce it you can do the following steps:
- Get a MIPS Mentor toolchain from
https://sourcery.mentor.com/GNUToolchain/release2554
- make ARCH=mips CROSS_COMPILE=$TOOLCHAIN_PATH/bin/mips-linux-gnu-
malta_defconfig
- make ARCH=mips CROSS_COMPILE=$TOOLCHAIN_PATH/bin/mips-linux-gnu-
We are working with the toolchain group to come up with a workaround in
the code to resolve the problem.
--
markos
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