search for: dma_alloca

...i < numpages; ++i) { > + uv_remove_shared(addr); > + addr += PAGE_SIZE; > + } > + return 0; > +} > +EXPORT_SYMBOL_GPL(set_memory_encrypted); > + > +int set_memory_decrypted(unsigned long addr, int numpages) > +{ > + int i; > + /* make all pages shared (swiotlb, dma_alloca) */ same here with ALL > + for (i = 0; i < numpages; ++i) { > + uv_set_shared(addr); > + addr += PAGE_SIZE; > + } > + return 0; > +} > +EXPORT_SYMBOL_GPL(set_memory_decrypted); > + > +/* are we a protected virtualization guest? */ > +bool sev_active(void) this...

...i < numpages; ++i) { > + uv_remove_shared(addr); > + addr += PAGE_SIZE; > + } > + return 0; > +} > +EXPORT_SYMBOL_GPL(set_memory_encrypted); > + > +int set_memory_decrypted(unsigned long addr, int numpages) > +{ > + int i; > + /* make all pages shared (swiotlb, dma_alloca) */ same here with ALL > + for (i = 0; i < numpages; ++i) { > + uv_set_shared(addr); > + addr += PAGE_SIZE; > + } > + return 0; > +} > +EXPORT_SYMBOL_GPL(set_memory_decrypted); > + > +/* are we a protected virtualization guest? */ > +bool sev_active(void) this...

...all pages shared, (swiotlb, dma_free) */ + for (i = 0; i < numpages; ++i) { + uv_remove_shared(addr); + addr += PAGE_SIZE; + } + return 0; +} +EXPORT_SYMBOL_GPL(set_memory_encrypted); + +int set_memory_decrypted(unsigned long addr, int numpages) +{ + int i; + /* make all pages shared (swiotlb, dma_alloca) */ + for (i = 0; i < numpages; ++i) { + uv_set_shared(addr); + addr += PAGE_SIZE; + } + return 0; +} +EXPORT_SYMBOL_GPL(set_memory_decrypted); + +/* are we a protected virtualization guest? */ +bool sev_active(void) +{ + return is_prot_virt_guest(); +} +EXPORT_SYMBOL_GPL(sev_active); + +/* pr...

...es) +{ + int i; + + /* make specified pages unshared, (swiotlb, dma_free) */ + for (i = 0; i < numpages; ++i) { + uv_remove_shared(addr); + addr += PAGE_SIZE; + } + return 0; +} + +int set_memory_decrypted(unsigned long addr, int numpages) +{ + int i; + /* make specified pages shared (swiotlb, dma_alloca) */ + for (i = 0; i < numpages; ++i) { + uv_set_shared(addr); + addr += PAGE_SIZE; + } + return 0; +} + +/* are we a protected virtualization guest? */ +bool sev_active(void) +{ + return is_prot_virt_guest(); +} + +/* protected virtualization */ +static void pv_init(void) +{ + if (!is_prot_vir...

...es) +{ + int i; + + /* make specified pages unshared, (swiotlb, dma_free) */ + for (i = 0; i < numpages; ++i) { + uv_remove_shared(addr); + addr += PAGE_SIZE; + } + return 0; +} + +int set_memory_decrypted(unsigned long addr, int numpages) +{ + int i; + /* make specified pages shared (swiotlb, dma_alloca) */ + for (i = 0; i < numpages; ++i) { + uv_set_shared(addr); + addr += PAGE_SIZE; + } + return 0; +} + +/* are we a protected virtualization guest? */ +bool sev_active(void) +{ + return is_prot_virt_guest(); +} + +/* protected virtualization */ +static void pv_init(void) +{ + if (!is_prot_vir...

...es) +{ + int i; + + /* make specified pages unshared, (swiotlb, dma_free) */ + for (i = 0; i < numpages; ++i) { + uv_remove_shared(addr); + addr += PAGE_SIZE; + } + return 0; +} + +int set_memory_decrypted(unsigned long addr, int numpages) +{ + int i; + /* make specified pages shared (swiotlb, dma_alloca) */ + for (i = 0; i < numpages; ++i) { + uv_set_shared(addr); + addr += PAGE_SIZE; + } + return 0; +} + +/* are we a protected virtualization guest? */ +bool sev_active(void) +{ + return is_prot_virt_guest(); +} + +/* protected virtualization */ +static void pv_init(void) +{ + if (!is_prot_vir...

...es) +{ + int i; + + /* make specified pages unshared, (swiotlb, dma_free) */ + for (i = 0; i < numpages; ++i) { + uv_remove_shared(addr); + addr += PAGE_SIZE; + } + return 0; +} + +int set_memory_decrypted(unsigned long addr, int numpages) +{ + int i; + /* make specified pages shared (swiotlb, dma_alloca) */ + for (i = 0; i < numpages; ++i) { + uv_set_shared(addr); + addr += PAGE_SIZE; + } + return 0; +} + +/* are we a protected virtualization guest? */ +bool sev_active(void) +{ + return is_prot_virt_guest(); +} + +/* protected virtualization */ +static void pv_init(void) +{ + if (!is_prot_vir...

...ddr); > > + addr += PAGE_SIZE; > > + } > > + return 0; > > +} > > +EXPORT_SYMBOL_GPL(set_memory_encrypted); > > + > > +int set_memory_decrypted(unsigned long addr, int numpages) > > +{ > > + int i; > > + /* make all pages shared (swiotlb, dma_alloca) */ > > same here with ALL > > > + for (i = 0; i < numpages; ++i) { > > + uv_set_shared(addr); > > + addr += PAGE_SIZE; > > + } > > + return 0; > > +} > > +EXPORT_SYMBOL_GPL(set_memory_decrypted); > > + > > +/* are we a protected...

...> +??????? uv_remove_shared(addr); > +??????? addr += PAGE_SIZE; > +??? } > +??? return 0; > +} > +EXPORT_SYMBOL_GPL(set_memory_encrypted); > + > +int set_memory_decrypted(unsigned long addr, int numpages) > +{ > +??? int i; > +??? /* make all pages shared (swiotlb, dma_alloca) */ > +??? for (i = 0; i < numpages; ++i) { > +??????? uv_set_shared(addr); > +??????? addr += PAGE_SIZE; > +??? } > +??? return 0; > +} > +EXPORT_SYMBOL_GPL(set_memory_decrypted); The addr arguments for the above functions appear to be referring to virtual addresses. Woul...

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV