2020-09-19 01:31:41

by Qinglang Miao

Subject: [PATCH -next v2] KVM: PPC: Book3S HV: XIVE: Convert to DEFINE_SHOW_ATTRIBUTE

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Qinglang Miao <[email protected]>
---
v2: based on linux-next(20200917), and can be applied to
mainline cleanly now.

arch/powerpc/kvm/book3s_xive_native.c | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c
index bdea91df1..d0c2db0e0 100644
--- a/arch/powerpc/kvm/book3s_xive_native.c
+++ b/arch/powerpc/kvm/book3s_xive_native.c
@@ -1227,17 +1227,7 @@ static int xive_native_debug_show(struct seq_file *m, void *private)
return 0;
}

-static int xive_native_debug_open(struct inode *inode, struct file *file)
-{
- return single_open(file, xive_native_debug_show, inode->i_private);
-}
-
-static const struct file_operations xive_native_debug_fops = {
- .open = xive_native_debug_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(xive_native_debug);

static void xive_native_debugfs_init(struct kvmppc_xive *xive)
{
--
2.23.0

2020-09-21 18:53:26

by Cédric Le Goater

Subject: Re: [PATCH -next v2] KVM: PPC: Book3S HV: XIVE: Convert to DEFINE_SHOW_ATTRIBUTE

On 9/19/20 3:29 AM, Qinglang Miao wrote:
> Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
>
> Signed-off-by: Qinglang Miao <[email protected]>

Reviewed-by: Cédric Le Goater <[email protected]>

> ---
> v2: based on linux-next(20200917), and can be applied to
> mainline cleanly now.
>
> arch/powerpc/kvm/book3s_xive_native.c | 12 +-----------
> 1 file changed, 1 insertion(+), 11 deletions(-)
>
> diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c
> index bdea91df1..d0c2db0e0 100644
> --- a/arch/powerpc/kvm/book3s_xive_native.c
> +++ b/arch/powerpc/kvm/book3s_xive_native.c
> @@ -1227,17 +1227,7 @@ static int xive_native_debug_show(struct seq_file *m, void *private)
> return 0;
> }
>
> -static int xive_native_debug_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, xive_native_debug_show, inode->i_private);
> -}
> -
> -static const struct file_operations xive_native_debug_fops = {
> - .open = xive_native_debug_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(xive_native_debug);
>
> static void xive_native_debugfs_init(struct kvmppc_xive *xive)
> {
>

2020-09-23 01:25:50

by Paul Mackerras

Subject: Re: [PATCH -next v2] KVM: PPC: Book3S HV: XIVE: Convert to DEFINE_SHOW_ATTRIBUTE

On Sat, Sep 19, 2020 at 09:29:25AM +0800, Qinglang Miao wrote:
> Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
>
> Signed-off-by: Qinglang Miao <[email protected]>

Thanks, applied.

Paul.