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xen: arm: rate-limit logging from unimplemented PHYSDEVOP and HVMOP.
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These are guest accessible and should therefore be rate-limited.
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Moreover, include them only in debug builds.
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This is XSA-146.
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
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Reviewed-by: Jan Beulich <jbeulich@suse.com>
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diff --git a/xen/arch/arm/hvm.c b/xen/arch/arm/hvm.c
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index 471c4cd..1de290f 100644
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--- a/xen/arch/arm/hvm.c
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+++ b/xen/arch/arm/hvm.c
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@@ -57,7 +57,7 @@ long do_hvm_op(unsigned long op, XEN_GUEST_HANDLE_PARAM(void) arg)
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default:
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{
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- printk("%s: Bad HVM op %ld.\n", __func__, op);
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+ gdprintk(XENLOG_DEBUG, "HVMOP op=%lu: not implemented\n", op);
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rc = -ENOSYS;
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break;
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}
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diff --git a/xen/arch/arm/physdev.c b/xen/arch/arm/physdev.c
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index 61b4a18..b1ba22e 100644
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--- a/xen/arch/arm/physdev.c
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+++ b/xen/arch/arm/physdev.c
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@@ -8,12 +8,13 @@
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#include <xen/types.h>
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#include <xen/lib.h>
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#include <xen/errno.h>
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+#include <xen/sched.h>
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#include <asm/hypercall.h>
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int do_physdev_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
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{
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- printk("%s %d cmd=%d: not implemented yet\n", __func__, __LINE__, cmd);
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+ gdprintk(XENLOG_DEBUG, "PHYSDEVOP cmd=%d: not implemented\n", cmd);
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return -ENOSYS;
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}
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