lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Thu, 18 Sep 2014 18:00:06 +0800
From:	Jeremy Kerr <jk@...abs.org>
To:	Michael Neuling <mikey@...ling.org>, greg@...ah.com, arnd@...db.de,
	mpe@...erman.id.au, benh@...nel.crashing.org
CC:	anton@...ba.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org, imunsie@...ibm.com,
	cbe-oss-dev@...ts.ozlabs.org
Subject: Re: [PATCH 01/15] powerpc/cell: Move spu_handle_mm_fault() out of
 cell platform

Hi Mikey & Ian,

> Currently spu_handle_mm_fault() is in the cell platform.
> 
> This code is generically useful for other non-cell co-processors on powerpc.
> 
> This patch moves this function out of the cell platform into arch/powerpc/mm so
> that others may use it.

Makes sense.

Acked-by: Jeremy Kerr <jk@...abs.org>

> @@ -58,12 +56,12 @@ int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
>  			goto out_unlock;
>  	}
>  
> -	is_write = dsisr & MFC_DSISR_ACCESS_PUT;
> +	is_write = dsisr & DSISR_ISSTORE;
>  	if (is_write) {
>  		if (!(vma->vm_flags & VM_WRITE))
>  			goto out_unlock;
>  	} else {
> -		if (dsisr & MFC_DSISR_ACCESS_DENIED)
> +		if (dsisr & DSISR_PROTFAULT)
>  			goto out_unlock;
>  		if (!(vma->vm_flags & (VM_READ | VM_EXEC)))
>  			goto out_unlock;

Consistent DSISR encodings? woot! :)

Cheers,


Jeremy
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists