Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 9 Aug 2013 17:43:37 -0700
From:      Alan Cox <alc@rice.edu>
To:        Olivier Houchard <cognet@FreeBSD.org>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r254171 - head/sys/arm/s3c2xx0
Message-ID:  <92A89B14-4C6A-426D-B949-706B19ABD78D@rice.edu>
In-Reply-To: <201308100031.r7A0VoWd006481@svn.freebsd.org>
References:  <201308100031.r7A0VoWd006481@svn.freebsd.org>

next in thread | previous in thread | raw e-mail | index | archive | help

On Aug 9, 2013, at 5:31 PM, Olivier Houchard wrote:

> Author: cognet
> Date: Sat Aug 10 00:31:49 2013
> New Revision: 254171
> URL: http://svnweb.freebsd.org/changeset/base/254171
>=20
> Log:
>  - The address lies in the bus space handle, not in the cookie
>  - Use the right address when calling kva_free()
>  (Is there any reason why the s3c2xx0 comes with its own version of =
bs_map/
>   bs_unmap ? It seems to be just the same as in bus_space_generic.c)
>=20
> Modified:
>  head/sys/arm/s3c2xx0/s3c2xx0_space.c
>=20
> Modified: head/sys/arm/s3c2xx0/s3c2xx0_space.c
> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
> --- head/sys/arm/s3c2xx0/s3c2xx0_space.c	Sat Aug 10 00:06:56 2013	=
(r254170)
> +++ head/sys/arm/s3c2xx0/s3c2xx0_space.c	Sat Aug 10 00:31:49 2013	=
(r254171)
> @@ -200,21 +200,21 @@ s3c2xx0_bs_map(void *t, bus_addr_t bpa,=20
> void
> s3c2xx0_bs_unmap(void *t, bus_space_handle_t h, bus_size_t size)
> {
> -	vm_offset_t va, endva;
> +	vm_offset_t va, endva, origva;
>=20
> -	if (pmap_devmap_find_va((vm_offset_t)t, size) !=3D NULL) {
> +	if (pmap_devmap_find_va((vm_offset_t)h, size) !=3D NULL) {
> 		/* Device was statically mapped; nothing to do. */
> 		return;
> 	}
>=20
> -	endva =3D round_page((vm_offset_t)t + size);
> -	va =3D trunc_page((vm_offset_t)t);
> +	endva =3D round_page((vm_offset_t)h + size);
> +	origva =3D va =3D trunc_page((vm_offset_t)h);
>=20
> 	while (va < endva) {
> 		pmap_kremove(va);
> 		va +=3D PAGE_SIZE;
> 	}
> -	kva_free(va, endva - va);
> +	kva_free(va, endva - origva);

Shouldn't this be

	kva_free(origva, endva - origva):

?

> }
>=20
> int
>=20




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?92A89B14-4C6A-426D-B949-706B19ABD78D>