2007-08-02 14:27:53

by Gabriel C

[permalink] [raw]
Subject: Re: Section mismatch warnings


>>> WARNING: vmlinux.o(.init.text+0x29d40): Section mismatch: reference to .exit.text:wbsd_release_resources (between 'wbsd_init' and 'wbsd_probe')
>>> WARNING: vmlinux.o(.init.text+0x29d49): Section mismatch: reference to .exit.text:wbsd_free_mmc (between 'wbsd_init' and 'wbsd_probe')
>>> WARNING: vmlinux.o(.init.text+0x29f28): Section mismatch: reference to .exit.text:wbsd_free_mmc (between 'wbsd_init' and 'wbsd_probe')
>> When a function is marked __exit and used from an init function then the safe choice
>> is to just remove the __exit marking. Usually this is small functions used
>> only in error situations.
>> Should be trivial too.
>
> I'll look at those too
>
>> Sorry - no patch this time. Could you try to look at it yorself then I will review.
>
> Ok I'll try.
>

The warnings gone with this patch but I'm not really sure it is correct.


drivers/mmc/host/wbsd.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c
index e0c9808..9bf2a87 100644
--- a/drivers/mmc/host/wbsd.c
+++ b/drivers/mmc/host/wbsd.c
@@ -1266,7 +1266,7 @@ static int __devinit wbsd_alloc_mmc(struct device *dev)
return 0;
}

-static void __devexit wbsd_free_mmc(struct device *dev)
+static void wbsd_free_mmc(struct device *dev)
{
struct mmc_host *mmc;
struct wbsd_host *host;
@@ -1358,7 +1358,7 @@ static int __devinit wbsd_request_region(struct wbsd_host *host, int base)
return 0;
}

-static void __devexit wbsd_release_regions(struct wbsd_host *host)
+static void wbsd_release_regions(struct wbsd_host *host)
{
if (host->base)
release_region(host->base, 8);
@@ -1434,7 +1434,7 @@ err:
"Falling back on FIFO.\n", dma);
}

-static void __devexit wbsd_release_dma(struct wbsd_host *host)
+static void wbsd_release_dma(struct wbsd_host *host)
{
if (host->dma_addr) {
dma_unmap_single(mmc_dev(host->mmc), host->dma_addr,
@@ -1484,7 +1484,7 @@ static int __devinit wbsd_request_irq(struct wbsd_host *host, int irq)
return 0;
}

-static void __devexit wbsd_release_irq(struct wbsd_host *host)
+static void wbsd_release_irq(struct wbsd_host *host)
{
if (!host->irq)
return;
@@ -1535,7 +1535,7 @@ static int __devinit wbsd_request_resources(struct wbsd_host *host,
* Release all resources for the host.
*/

-static void __devexit wbsd_release_resources(struct wbsd_host *host)
+static void wbsd_release_resources(struct wbsd_host *host)
{
wbsd_release_dma(host);
wbsd_release_irq(host);


2007-08-02 16:30:07

by Sam Ravnborg

[permalink] [raw]
Subject: Re: Section mismatch warnings

On Thu, Aug 02, 2007 at 04:27:34PM +0200, Gabriel C wrote:
>
> >>> WARNING: vmlinux.o(.init.text+0x29d40): Section mismatch: reference to .exit.text:wbsd_release_resources (between 'wbsd_init' and 'wbsd_probe')
> >>> WARNING: vmlinux.o(.init.text+0x29d49): Section mismatch: reference to .exit.text:wbsd_free_mmc (between 'wbsd_init' and 'wbsd_probe')
> >>> WARNING: vmlinux.o(.init.text+0x29f28): Section mismatch: reference to .exit.text:wbsd_free_mmc (between 'wbsd_init' and 'wbsd_probe')
> >> When a function is marked __exit and used from an init function then the safe choice
> >> is to just remove the __exit marking. Usually this is small functions used
> >> only in error situations.
> >> Should be trivial too.
> >
> > I'll look at those too
> >
> >> Sorry - no patch this time. Could you try to look at it yorself then I will review.
> >
> > Ok I'll try.
> >
>
> The warnings gone with this patch but I'm not really sure it is correct.
Looks correct to me.
You drop the __devexit marking for functions used outside __exit.
Acked-by: Sam Ravnborg <[email protected]>

Sam
>
>
> drivers/mmc/host/wbsd.c | 10 +++++-----
> 1 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c
> index e0c9808..9bf2a87 100644
> --- a/drivers/mmc/host/wbsd.c
> +++ b/drivers/mmc/host/wbsd.c
> @@ -1266,7 +1266,7 @@ static int __devinit wbsd_alloc_mmc(struct device *dev)
> return 0;
> }
>
> -static void __devexit wbsd_free_mmc(struct device *dev)
> +static void wbsd_free_mmc(struct device *dev)
> {
> struct mmc_host *mmc;
> struct wbsd_host *host;
> @@ -1358,7 +1358,7 @@ static int __devinit wbsd_request_region(struct wbsd_host *host, int base)
> return 0;
> }
>
> -static void __devexit wbsd_release_regions(struct wbsd_host *host)
> +static void wbsd_release_regions(struct wbsd_host *host)
> {
> if (host->base)
> release_region(host->base, 8);
> @@ -1434,7 +1434,7 @@ err:
> "Falling back on FIFO.\n", dma);
> }
>
> -static void __devexit wbsd_release_dma(struct wbsd_host *host)
> +static void wbsd_release_dma(struct wbsd_host *host)
> {
> if (host->dma_addr) {
> dma_unmap_single(mmc_dev(host->mmc), host->dma_addr,
> @@ -1484,7 +1484,7 @@ static int __devinit wbsd_request_irq(struct wbsd_host *host, int irq)
> return 0;
> }
>
> -static void __devexit wbsd_release_irq(struct wbsd_host *host)
> +static void wbsd_release_irq(struct wbsd_host *host)
> {
> if (!host->irq)
> return;
> @@ -1535,7 +1535,7 @@ static int __devinit wbsd_request_resources(struct wbsd_host *host,
> * Release all resources for the host.
> */
>
> -static void __devexit wbsd_release_resources(struct wbsd_host *host)
> +static void wbsd_release_resources(struct wbsd_host *host)
> {
> wbsd_release_dma(host);
> wbsd_release_irq(host);

2007-08-02 17:12:55

by Gabriel C

[permalink] [raw]
Subject: Re: Section mismatch warnings

Sam Ravnborg wrote:
> On Thu, Aug 02, 2007 at 04:27:34PM +0200, Gabriel C wrote:
>>>>> WARNING: vmlinux.o(.init.text+0x29d40): Section mismatch: reference to .exit.text:wbsd_release_resources (between 'wbsd_init' and 'wbsd_probe')
>>>>> WARNING: vmlinux.o(.init.text+0x29d49): Section mismatch: reference to .exit.text:wbsd_free_mmc (between 'wbsd_init' and 'wbsd_probe')
>>>>> WARNING: vmlinux.o(.init.text+0x29f28): Section mismatch: reference to .exit.text:wbsd_free_mmc (between 'wbsd_init' and 'wbsd_probe')
>>>> When a function is marked __exit and used from an init function then the safe choice
>>>> is to just remove the __exit marking. Usually this is small functions used
>>>> only in error situations.
>>>> Should be trivial too.
>>> I'll look at those too
>>>
>>>> Sorry - no patch this time. Could you try to look at it yorself then I will review.
>>> Ok I'll try.
>>>
>> The warnings gone with this patch but I'm not really sure it is correct.
> Looks correct to me.
> You drop the __devexit marking for functions used outside __exit.
> Acked-by: Sam Ravnborg <[email protected]>

Shall I send this one to akpm with your ACK or you take care of it ?

>
> Sam
>>
>> drivers/mmc/host/wbsd.c | 10 +++++-----
>> 1 files changed, 5 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c
>> index e0c9808..9bf2a87 100644
>> --- a/drivers/mmc/host/wbsd.c
>> +++ b/drivers/mmc/host/wbsd.c
>> @@ -1266,7 +1266,7 @@ static int __devinit wbsd_alloc_mmc(struct device *dev)
>> return 0;
>> }
>>
>> -static void __devexit wbsd_free_mmc(struct device *dev)
>> +static void wbsd_free_mmc(struct device *dev)
>> {
>> struct mmc_host *mmc;
>> struct wbsd_host *host;
>> @@ -1358,7 +1358,7 @@ static int __devinit wbsd_request_region(struct wbsd_host *host, int base)
>> return 0;
>> }
>>
>> -static void __devexit wbsd_release_regions(struct wbsd_host *host)
>> +static void wbsd_release_regions(struct wbsd_host *host)
>> {
>> if (host->base)
>> release_region(host->base, 8);
>> @@ -1434,7 +1434,7 @@ err:
>> "Falling back on FIFO.\n", dma);
>> }
>>
>> -static void __devexit wbsd_release_dma(struct wbsd_host *host)
>> +static void wbsd_release_dma(struct wbsd_host *host)
>> {
>> if (host->dma_addr) {
>> dma_unmap_single(mmc_dev(host->mmc), host->dma_addr,
>> @@ -1484,7 +1484,7 @@ static int __devinit wbsd_request_irq(struct wbsd_host *host, int irq)
>> return 0;
>> }
>>
>> -static void __devexit wbsd_release_irq(struct wbsd_host *host)
>> +static void wbsd_release_irq(struct wbsd_host *host)
>> {
>> if (!host->irq)
>> return;
>> @@ -1535,7 +1535,7 @@ static int __devinit wbsd_request_resources(struct wbsd_host *host,
>> * Release all resources for the host.
>> */
>>
>> -static void __devexit wbsd_release_resources(struct wbsd_host *host)
>> +static void wbsd_release_resources(struct wbsd_host *host)
>> {
>> wbsd_release_dma(host);
>> wbsd_release_irq(host);
>

2007-08-02 17:58:14

by Sam Ravnborg

[permalink] [raw]
Subject: Re: Section mismatch warnings

On Thu, Aug 02, 2007 at 07:12:36PM +0200, Gabriel C wrote:
> Sam Ravnborg wrote:
> > On Thu, Aug 02, 2007 at 04:27:34PM +0200, Gabriel C wrote:
> >>>>> WARNING: vmlinux.o(.init.text+0x29d40): Section mismatch: reference to .exit.text:wbsd_release_resources (between 'wbsd_init' and 'wbsd_probe')
> >>>>> WARNING: vmlinux.o(.init.text+0x29d49): Section mismatch: reference to .exit.text:wbsd_free_mmc (between 'wbsd_init' and 'wbsd_probe')
> >>>>> WARNING: vmlinux.o(.init.text+0x29f28): Section mismatch: reference to .exit.text:wbsd_free_mmc (between 'wbsd_init' and 'wbsd_probe')
> >>>> When a function is marked __exit and used from an init function then the safe choice
> >>>> is to just remove the __exit marking. Usually this is small functions used
> >>>> only in error situations.
> >>>> Should be trivial too.
> >>> I'll look at those too
> >>>
> >>>> Sorry - no patch this time. Could you try to look at it yorself then I will review.
> >>> Ok I'll try.
> >>>
> >> The warnings gone with this patch but I'm not really sure it is correct.
> > Looks correct to me.
> > You drop the __devexit marking for functions used outside __exit.
> > Acked-by: Sam Ravnborg <[email protected]>
>
> Shall I send this one to akpm with your ACK or you take care of it ?
Please forward it to akpm.
I usually do not carry non-kbuild patches in my tree to keep 'noise' level down.

Sam

2007-08-02 18:24:27

by Gabriel C

[permalink] [raw]
Subject: Re: Section mismatch warnings

Sam Ravnborg wrote:
> Please forward it to akpm.
> I usually do not carry non-kbuild patches in my tree to keep 'noise' level down.

Ok done.

Thank you very much for your help on this.

I'll try to fix the remaining warnings soon.

>
> Sam
>

Gabriel