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* KVM: S390: Add virtio hotplug add supportAlexander Graf2010-10-241-0/+1
| | | | | | | | | | | | The one big missing feature in s390-virtio was hotplugging. This is no more. This patch implements hotplug add support, so you can on the fly add new devices in the guest. Keep in mind that this needs a patch for qemu to actually leverage the functionality. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
* KVM: S390: take a full byte as ext_param indicatorAlexander Graf2010-10-241-0/+6
| | | | | | | | | Currenty the ext_param field only distinguishes between "config change" and "vring interrupt". We can do a lot more with it though, so let's enable a full byte of possible values and constants to #defines while at it. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
* [S390] kvm: use console_initcall() to initialize s390 virtio consoleHendrik Brueckner2009-09-111-10/+0
| | | | | | | | | Use a console_initcall() to initialize the s390 virtio console and clean up s390 console initialization in setup.c. Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* virtio: use KVM_S390_VIRTIO_RING_ALIGN instead of relying on pagesizeRusty Russell2008-12-301-0/+4
| | | | | | | This doesn't really matter, since s390 pagesize is 4k anyway. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
* [S390] s390: Fix build for !CONFIG_S390_GUEST + CONFIG_VIRTIO_CONSOLEChristian Borntraeger2008-10-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | The s390 kernel does not compile if virtio console is enabled, but guest support is disabled: LD .tmp_vmlinux1 arch/s390/kernel/built-in.o: In function `setup_arch': /space/linux-2.5/arch/s390/kernel/setup.c:773: undefined reference to `s390_virtio_console_init' The fix is related to commit 99e65c92f2bbf84f43766a8bf701e36817d62822 Author: Christian Borntraeger <borntraeger@de.ibm.com> Date: Fri Jul 25 15:50:04 2008 +0200 KVM: s390: Fix guest kconfig Which changed the build process to build kvm_virtio.c only if CONFIG_S390_GUEST is set. We must ifdef the prototype in the header file accordingly. Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* [S390] move include/asm-s390 to arch/s390/include/asmMartin Schwidefsky2008-08-011-0/+63
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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