2023-03-28 07:27:28

by Yan Yan(cailing)

Subject: [PATCH] Documentation: update kernel stack for x86_64

Commit 6538b8ea886e ("x86_64: expand kernel stack to 16K")
expanded kernel stack for x86_64 but left the wrong documentation,
update it.

Signed-off-by: Yan Yan <[email protected]>
---
Documentation/x86/kernel-stacks.rst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/x86/kernel-stacks.rst b/Documentation/x86/kernel-stacks.rst
index 6b0bcf027ff1..738671a4070b 100644
--- a/Documentation/x86/kernel-stacks.rst
+++ b/Documentation/x86/kernel-stacks.rst
@@ -12,7 +12,7 @@ Most of the text from Keith Owens, hacked by AK
x86_64 page size (PAGE_SIZE) is 4K.

Like all other architectures, x86_64 has a kernel stack for every
-active thread. These thread stacks are THREAD_SIZE (2*PAGE_SIZE) big.
+active thread. These thread stacks are THREAD_SIZE (4*PAGE_SIZE) big.
These stacks contain useful data as long as a thread is alive or a
zombie. While the thread is in user space the kernel stack is empty
except for the thread_info structure at the bottom.
--
2.32.0.3.g01195cf9f

2023-04-04 02:27:09

by Lai Jiangshan

Subject: Re: [PATCH] Documentation: update kernel stack for x86_64

On Tue, Mar 28, 2023 at 3:34 PM 晏艳(采苓) <[email protected]> wrote:
>
> Commit 6538b8ea886e ("x86_64: expand kernel stack to 16K")
> expanded kernel stack for x86_64 but left the wrong documentation,
> update it.
>
> Signed-off-by: Yan Yan <[email protected]>
> ---

Reviewed-by: Lai Jiangshan <[email protected]>

2023-05-02 17:06:59

by Jonathan Corbet

Subject: Re: [PATCH] Documentation: update kernel stack for x86_64

"晏艳(采苓)" <[email protected]> writes:

> Commit 6538b8ea886e ("x86_64: expand kernel stack to 16K")
> expanded kernel stack for x86_64 but left the wrong documentation,
> update it.
>
> Signed-off-by: Yan Yan <[email protected]>
> ---
> Documentation/x86/kernel-stacks.rst | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

jon