Displaying 4 results from an estimated 4 matches for "pci_xen_swiotlb_init_late".
2023 May 18
4
unexport swiotlb_active
Hi all,
this little series removes the last swiotlb API exposed to modules.
Diffstat:
arch/x86/include/asm/xen/swiotlb-xen.h | 6 ------
arch/x86/kernel/pci-dma.c | 28 ++++------------------------
drivers/gpu/drm/nouveau/nouveau_ttm.c | 10 +++-------
drivers/pci/xen-pcifront.c | 6 ------
kernel/dma/swiotlb.c | 1 -
5 files changed, 7
2020 Jun 24
2
[PATCH] xen: introduce xen_vring_use_dma
...a/arch/x86/include/asm/xen/swiotlb-xen.h
+++ b/arch/x86/include/asm/xen/swiotlb-xen.h
@@ -3,12 +3,10 @@
#define _ASM_X86_SWIOTLB_XEN_H
#ifdef CONFIG_SWIOTLB_XEN
-extern int xen_swiotlb;
extern int __init pci_xen_swiotlb_detect(void);
extern void __init pci_xen_swiotlb_init(void);
extern int pci_xen_swiotlb_init_late(void);
#else
-#define xen_swiotlb (0)
static inline int __init pci_xen_swiotlb_detect(void) { return 0; }
static inline void __init pci_xen_swiotlb_init(void) { }
static inline int pci_xen_swiotlb_init_late(void) { return -ENXIO; }
diff --git a/arch/x86/xen/pci-swiotlb-xen.c b/arch/x86/xen/pci-...
2023 May 19
3
[PATCH 2/4] x86: always initialize xen-swiotlb when xen-pcifront is enabling
On Thu, May 18, 2023 at 08:18:39PM +0200, Marek Marczykowski-G?recki wrote:
> On Thu, May 18, 2023 at 03:42:51PM +0200, Christoph Hellwig wrote:
> > Remove the dangerous late initialization of xen-swiotlb in
> > pci_xen_swiotlb_init_late and instead just always initialize
> > xen-swiotlb in the boot code if CONFIG_XEN_PCIDEV_FRONTEND is enabled.
> >
> > Signed-off-by: Christoph Hellwig <hch at lst.de>
>
> Doesn't it mean all the PV guests will basically waste 64MB of RAM
> by default each if t...
2023 May 22
1
[PATCH 2/4] x86: always initialize xen-swiotlb when xen-pcifront is enabling
...6:04:05AM +0200, Christoph Hellwig wrote:
>> On Thu, May 18, 2023 at 08:18:39PM +0200, Marek Marczykowski-G?recki wrote:
>>> On Thu, May 18, 2023 at 03:42:51PM +0200, Christoph Hellwig wrote:
>>>> Remove the dangerous late initialization of xen-swiotlb in
>>>> pci_xen_swiotlb_init_late and instead just always initialize
>>>> xen-swiotlb in the boot code if CONFIG_XEN_PCIDEV_FRONTEND is enabled.
>>>>
>>>> Signed-off-by: Christoph Hellwig <hch at lst.de>
>>>
>>> Doesn't it mean all the PV guests will basically waste 64...