Re: [kvm-devel] [PATCH] Build fix for kvm/ia64 userspace.
Avi Kivity wrote: Zhang, Xiantao wrote: Hi, Avi This patch should go into RC1, otherwise it will block kvm/ia64 userspace build. diff --git a/include/asm-ia64/kvm.h b/include/asm-ia64/kvm.h index eb2d355..62b5fad 100644 --- a/include/asm-ia64/kvm.h +++ b/include/asm-ia64/kvm.h @@ -22,7 +22,12 @@ */ #include asm/types.h + +#ifdef __KERNEL__ #include asm/fpu.h +#else +#include signal.h +#endif Fishy. A kernel header including a userspace header? Maybe you need to include linux/signal.h unconditionally? Hi, Avi You know, kvm.h is shared by userspace and kernel. But unfortunately, the usersapce header files have redefinition for one strucutre (structure ia64_fpreg) {One in asm/fpu.h and the other one in bits/sigcontext}, maybe a bug here. Therefore, if userspace code includes fpu.h and sigcontext.h in one source file, it will complain the redefinition. Do you have good idea to cope with this issue ? Xiantao - This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone ___ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
Re: [kvm-devel] [PATCH] Build fix for kvm/ia64 userspace.
Zhang, Xiantao wrote: #include asm/types.h + +#ifdef __KERNEL__ #include asm/fpu.h +#else +#include signal.h +#endif Fishy. A kernel header including a userspace header? Maybe you need to include linux/signal.h unconditionally? Hi, Avi You know, kvm.h is shared by userspace and kernel. But unfortunately, the usersapce header files have redefinition for one strucutre (structure ia64_fpreg) {One in asm/fpu.h and the other one in bits/sigcontext}, maybe a bug here. Therefore, if userspace code includes fpu.h and sigcontext.h in one source file, it will complain the redefinition. Do you have good idea to cope with this issue ? One way would be to define a new kvm_ia64_fpreg and use that. Seems that the standard ia64_fpreg is unusable in userspace due to the issue you mentioned. -- error compiling committee.c: too many arguments to function - This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone ___ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
Re: [kvm-devel] [PATCH] Build fix for kvm/ia64 userspace.
One way would be to define a new kvm_ia64_fpreg and use that. Seems that the standard ia64_fpreg is unusable in userspace due to the issue you mentioned. Better way. Attached the patch. From: Xiantao Zhang [EMAIL PROTECTED] Date: Wed, 7 May 2008 17:37:32 +0800 Subject: [PATCH] KVM: kvm/ia64 : Using self-defined kvm_fpreg strucutre to replace kernel's ia64_fpreg for avoiding conflicts with userspace headers. Signed-off-by: Xiantao Zhang [EMAIL PROTECTED] --- include/asm-ia64/kvm.h | 10 -- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/include/asm-ia64/kvm.h b/include/asm-ia64/kvm.h index eb2d355..a1da4c4 100644 --- a/include/asm-ia64/kvm.h +++ b/include/asm-ia64/kvm.h @@ -22,7 +22,6 @@ */ #include asm/types.h -#include asm/fpu.h #include linux/ioctl.h @@ -61,6 +60,13 @@ struct kvm_ioapic_state { #define KVM_CONTEXT_SIZE 8*1024 +struct kvm_fpreg { + union { + unsigned long bits[2]; + long double __dummy;/* force 16-byte alignment */ + } u; +}; + union context { /* 8K size */ chardummy[KVM_CONTEXT_SIZE]; @@ -77,7 +83,7 @@ union context { unsigned long ibr[8]; unsigned long dbr[8]; unsigned long pkr[8]; - struct ia64_fpreg fr[128]; + struct kvm_fpreg fr[128]; }; }; -- 1.5.2 0002-KVM-kvm-ia64-Using-self-defined-kvm_fpreg-strucut.patch Description: 0002-KVM-kvm-ia64-Using-self-defined-kvm_fpreg-strucut.patch - This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone___ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
Re: [kvm-devel] [PATCH] Build fix for kvm/ia64 userspace.
Zhang, Xiantao wrote: From: Xiantao Zhang [EMAIL PROTECTED] Date: Wed, 7 May 2008 17:37:32 +0800 Subject: [PATCH] KVM: kvm/ia64 : Using self-defined kvm_fpreg strucutre to replace kernel's ia64_fpreg for avoiding conflicts with userspace headers. Applied, thanks. -- error compiling committee.c: too many arguments to function - This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone ___ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
Re: [kvm-devel] [PATCH] Build fix for kvm/ia64 userspace.
Zhang, Xiantao wrote: Hi, Avi This patch should go into RC1, otherwise it will block kvm/ia64 userspace build. diff --git a/include/asm-ia64/kvm.h b/include/asm-ia64/kvm.h index eb2d355..62b5fad 100644 --- a/include/asm-ia64/kvm.h +++ b/include/asm-ia64/kvm.h @@ -22,7 +22,12 @@ */ #include asm/types.h + +#ifdef __KERNEL__ #include asm/fpu.h +#else +#include signal.h +#endif Fishy. A kernel header including a userspace header? Maybe you need to include linux/signal.h unconditionally? -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. - This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone ___ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel