From: Zhouyi Zhou
Because RCU avoids interrupting idle CPUs, rcu_is_watching is used to
test whether or not it is currently legal to run RCU read-side
critical sections on this CPU.
First sentence and last sentence of current comment for rcu_is_watching
have opposite meaning of what is
From: Zhouyi Zhou
Because RCU avoids interrupting idle CPUs, rcu_is_watching is used to
test whether or not it is currently legal to run RCU read-side
critical sections on this CPU.
First sentence and last sentence of current comment for rcu_is_watching
have opposite meaning of what is
From: Zhouyi Zhou
In function srcu_gp_end, the variable idxnext is never used after assign,
remove it and its assign statement.
Signed-off-by: Zhouyi Zhou
---
kernel/rcu/srcutree.c | 2 --
1 file changed, 2 deletions(-)
diff --git
From: Zhouyi Zhou
In function srcu_gp_end, the variable idxnext is never used after assign,
remove it and its assign statement.
Signed-off-by: Zhouyi Zhou
---
kernel/rcu/srcutree.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
index
From: Zhouyi Zhou
In function __ext4_grp_locked_error, __save_error_info
is called to save error info in super block block, but does not sync
that information to disk to info the subsequence fsck after reboot.
This patch sync the error information to disk. After this
From: Zhouyi Zhou
In function __ext4_grp_locked_error, __save_error_info
is called to save error info in super block block, but does not sync
that information to disk to info the subsequence fsck after reboot.
This patch sync the error information to disk. After this patch,
I think there is
From: Zhouyi Zhou
This patch fix livelock by conditionally release cpu to let others
has a chance to run.
Tested on x86_64.
Signed-off-by: Zhouyi Zhou
---
mm/kasan/quarantine.c | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff
From: Zhouyi Zhou
This patch fix livelock by conditionally release cpu to let others
has a chance to run.
Tested on x86_64.
Signed-off-by: Zhouyi Zhou
---
mm/kasan/quarantine.c | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/mm/kasan/quarantine.c
From: Zhouyi Zhou
I think in function gsi_to_irq, initial assignment to irq is useless although
compiler
may eliminate it during the compilng.
Signed-off-by: Zhouyi Zhou
---
arch/x86/kernel/acpi/boot.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git
From: Zhouyi Zhou zhouzho...@gmail.com
I think in function gsi_to_irq, initial assignment to irq is useless although
compiler
may eliminate it during the compilng.
Signed-off-by: Zhouyi Zhou yizhouz...@ict.ac.cn
---
arch/x86/kernel/acpi/boot.c |2 +-
1 file changed, 1 insertion(+), 1
From: Zhouyi Zhou
the text of previous ping message maybe garbled sorry for the trouble
> I do a grep for kmem_cache_zalloc and kmem_cache_alloc
> in kernel tree, and find some code do not handle NULL
> return of kmem_cache_zalloc correctly
> Signed-off-by: Zhouyi Zhou
---
From: Zhouyi Zhou zhouzho...@gmail.com
the text of previous ping message maybe garbled sorry for the trouble
I do a grep for kmem_cache_zalloc and kmem_cache_alloc
in kernel tree, and find some code do not handle NULL
return of kmem_cache_zalloc correctly
Signed-off-by: Zhouyi Zhou
From: root
On Documentation/kdump/kdump.txt, section Boot into System Kernel: On x86 and
x86_64, use
"crashkernel=64M@16M", but some OSes like ubuntu 12.10 use ram fs larger than
64M, so in these cases the
memory reserved for crashkernel should be at least 128M.
Signed-off-by: Zhouyi
From: root root@zzy-Lenovo.(none)
On Documentation/kdump/kdump.txt, section Boot into System Kernel: On x86 and
x86_64, use
crashkernel=64M@16M, but some OSes like ubuntu 12.10 use ram fs larger than
64M, so in these cases the
memory reserved for crashkernel should be at least 128M.
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