All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH kvm-unit-tests] x86: avoid multiply defined symbol
@ 2020-05-11 16:59 Paolo Bonzini
  2020-05-12  6:01 ` Thomas Huth
  0 siblings, 1 reply; 3+ messages in thread
From: Paolo Bonzini @ 2020-05-11 16:59 UTC (permalink / raw)
  To: kvm; +Cc: Dr . David Alan Gilbert

Fedora 32 croaks about a symbol that is defined twice, fix it.

Reported-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 lib/x86/fault_test.c |  2 +-
 lib/x86/usermode.c   |  2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/x86/fault_test.c b/lib/x86/fault_test.c
index 078dae3..e15a218 100644
--- a/lib/x86/fault_test.c
+++ b/lib/x86/fault_test.c
@@ -1,6 +1,6 @@
 #include "fault_test.h"
 
-jmp_buf jmpbuf;
+static jmp_buf jmpbuf;
 
 static void restore_exec_to_jmpbuf(void)
 {
diff --git a/lib/x86/usermode.c b/lib/x86/usermode.c
index f01ad9b..f032523 100644
--- a/lib/x86/usermode.c
+++ b/lib/x86/usermode.c
@@ -14,7 +14,7 @@
 #define USERMODE_STACK_SIZE	0x2000
 #define RET_TO_KERNEL_IRQ	0x20
 
-jmp_buf jmpbuf;
+static jmp_buf jmpbuf;
 
 static void restore_exec_to_jmpbuf(void)
 {
-- 
2.25.2


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH kvm-unit-tests] x86: avoid multiply defined symbol
  2020-05-11 16:59 [PATCH kvm-unit-tests] x86: avoid multiply defined symbol Paolo Bonzini
@ 2020-05-12  6:01 ` Thomas Huth
  2020-05-12  8:38   ` Paolo Bonzini
  0 siblings, 1 reply; 3+ messages in thread
From: Thomas Huth @ 2020-05-12  6:01 UTC (permalink / raw)
  To: Paolo Bonzini, kvm; +Cc: Dr . David Alan Gilbert

On 11/05/2020 18.59, Paolo Bonzini wrote:
> Fedora 32 croaks about a symbol that is defined twice, fix it.
> 
> Reported-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  lib/x86/fault_test.c |  2 +-
>  lib/x86/usermode.c   |  2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/lib/x86/fault_test.c b/lib/x86/fault_test.c
> index 078dae3..e15a218 100644
> --- a/lib/x86/fault_test.c
> +++ b/lib/x86/fault_test.c
> @@ -1,6 +1,6 @@
>  #include "fault_test.h"
>  
> -jmp_buf jmpbuf;
> +static jmp_buf jmpbuf;
>  
>  static void restore_exec_to_jmpbuf(void)
>  {
> diff --git a/lib/x86/usermode.c b/lib/x86/usermode.c
> index f01ad9b..f032523 100644
> --- a/lib/x86/usermode.c
> +++ b/lib/x86/usermode.c
> @@ -14,7 +14,7 @@
>  #define USERMODE_STACK_SIZE	0x2000
>  #define RET_TO_KERNEL_IRQ	0x20
>  
> -jmp_buf jmpbuf;
> +static jmp_buf jmpbuf;

Reviewed-by: Thomas Huth <thuth@redhat.com>

Seems like GCC v10 defaults to -fno-common now? Maybe we should add this
to the CFLAGS of the kvm-unit-tests, so that we get the same behavior
with all versions of the compiler?

 Thomas


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH kvm-unit-tests] x86: avoid multiply defined symbol
  2020-05-12  6:01 ` Thomas Huth
@ 2020-05-12  8:38   ` Paolo Bonzini
  0 siblings, 0 replies; 3+ messages in thread
From: Paolo Bonzini @ 2020-05-12  8:38 UTC (permalink / raw)
  To: Thomas Huth, kvm; +Cc: Dr . David Alan Gilbert

On 12/05/20 08:01, Thomas Huth wrote:
> Seems like GCC v10 defaults to -fno-common now? Maybe we should add this
> to the CFLAGS of the kvm-unit-tests, so that we get the same behavior
> with all versions of the compiler?

Yes, good idea.

Paolo


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-05-12  8:38 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-05-11 16:59 [PATCH kvm-unit-tests] x86: avoid multiply defined symbol Paolo Bonzini
2020-05-12  6:01 ` Thomas Huth
2020-05-12  8:38   ` Paolo Bonzini

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.