Hi Stephen, On Mon, Oct 25, 2021 at 03:11:44PM +1100, Stephen Rothwell wrote: > Hi all, > > After merging the tip tree, today's linux-next build (x86_64 allmodconfig) > failed like this: > > arch/x86/kernel/fpu/core.c: In function 'fpu_alloc_guest_fpstate': > arch/x86/kernel/fpu/core.c:187:12: error: implicit declaration of function 'vzalloc'; did you mean 'kzalloc'? [-Werror=implicit-function-declaration] > 187 | fpstate = vzalloc(size); > | ^~~~~~~ > | kzalloc > arch/x86/kernel/fpu/core.c:187:10: error: assignment to 'struct fpstate *' from 'int' makes pointer from integer without a cast [-Werror=int-conversion] > 187 | fpstate = vzalloc(size); > | ^ > arch/x86/kernel/fpu/core.c: In function 'fpu_free_guest_fpstate': > arch/x86/kernel/fpu/core.c:212:2: error: implicit declaration of function 'vfree'; did you mean 'kfree'? [-Werror=implicit-function-declaration] > 212 | vfree(fps); > | ^~~~~ > | kfree > cc1: all warnings being treated as errors > > Caused by commit > > 69f6ed1d14c6 ("x86/fpu: Provide infrastructure for KVM FPU cleanup") > > I have applied the following patch for today (because it was quicker > than using the tip tree from next-20211022). I cannot reproduce here. It could be uncovered by some stuff you merge before tip/auto-latest or so. > From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> > Date: Mon, 25 Oct 2021 15:04:13 +1100 > Subject: [PATCH] x86/fpu: include vmalloc.h for vzalloc etc > > Fixes: 69f6ed1d14c6 ("x86/fpu: Provide infrastructure for KVM FPU cleanup") > Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> > --- > arch/x86/kernel/fpu/core.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c > index 9c475e2efd4d..c55013fc82ab 100644 > --- a/arch/x86/kernel/fpu/core.c > +++ b/arch/x86/kernel/fpu/core.c > @@ -16,6 +16,7 @@ > > #include <linux/hardirq.h> > #include <linux/pkeys.h> > +#include <linux/vmalloc.h> > > #include "context.h" > #include "internal.h" > -- I'm thinking I could simply fold in your change into 69f6ed1d14c6 ... Thx. -- Regards/Gruss, Boris. SUSE Software Solutions Germany GmbH, GF: Felix Imendörffer, HRB 36809, AG Nürnberg