diff mbox series

[v4,09/12] KVM: selftests: Only do get/set tests on present blessed list

Message ID 47f0502d076c071260a87953cbabadfc85d278cf.1687515463.git.haibo1.xu@intel.com
State New
Headers
Series RISCV: Add KVM_GET_REG_LIST API |

Commit Message

Haibo Xu June 23, 2023, 10:40 a.m. UTC 
  Only do the get/set tests on present and blessed registers
since we don't know the capabilities of any new ones.

Suggested-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Haibo Xu <haibo1.xu@intel.com>
---
 tools/testing/selftests/kvm/get-reg-list.c | 29 ++++++++++++++--------
 1 file changed, 18 insertions(+), 11 deletions(-)

Comments

Andrew Jones June 27, 2023, 9:11 a.m. UTC | #1 
On Fri, Jun 23, 2023 at 06:40:11PM +0800, Haibo Xu wrote:
> Only do the get/set tests on present and blessed registers
> since we don't know the capabilities of any new ones.
> 
> Suggested-by: Andrew Jones <ajones@ventanamicro.com>
> Signed-off-by: Haibo Xu <haibo1.xu@intel.com>
> ---
>  tools/testing/selftests/kvm/get-reg-list.c | 29 ++++++++++++++--------
>  1 file changed, 18 insertions(+), 11 deletions(-)
> 
> diff --git a/tools/testing/selftests/kvm/get-reg-list.c b/tools/testing/selftests/kvm/get-reg-list.c
> index b956ee410996..3beb6b62de0a 100644
> --- a/tools/testing/selftests/kvm/get-reg-list.c
> +++ b/tools/testing/selftests/kvm/get-reg-list.c
> @@ -52,6 +52,10 @@ extern int vcpu_configs_n;
>  	for_each_reg_filtered(i)						\
>  		if (!find_reg(blessed_reg, blessed_n, reg_list->reg[i]))
>  
> +#define for_each_present_blessed_reg(i)			\
> +	for ((i) = 0; (i) < blessed_n; ++(i))		\
> +		if (find_reg(reg_list->reg, reg_list->n, blessed_reg[i]))
> +
>  static const char *config_name(struct vcpu_reg_list *c)
>  {
>  	struct vcpu_reg_sublist *s;
> @@ -189,6 +193,16 @@ static void run_test(struct vcpu_reg_list *c)
>  		return;
>  	}
>  
> +	for_each_sublist(c, s)
> +		blessed_n += s->regs_n;
> +	blessed_reg = calloc(blessed_n, sizeof(__u64));
> +
> +	n = 0;
> +	for_each_sublist(c, s) {
> +		for (i = 0; i < s->regs_n; ++i)
> +			blessed_reg[n++] = s->regs[i];
> +	}
> +
>  	/*
>  	 * We only test that we can get the register and then write back the
>  	 * same value. Some registers may allow other values to be written
> @@ -198,8 +212,11 @@ static void run_test(struct vcpu_reg_list *c)
>  	 * be written need to have the other values tested, then we should
>  	 * create a new set of tests for those in a new independent test
>  	 * executable.
> +	 *
> +	 * Only do the get/set tests on present, blessed list registers,
> +	 * since we don't know the capabilities of any new registers.
>  	 */
> -	for_each_reg(i) {
> +	for_each_present_blessed_reg(i) {
>  		uint8_t addr[2048 / 8];
>  		struct kvm_one_reg reg = {
>  			.id = reg_list->reg[i],
> @@ -242,16 +259,6 @@ static void run_test(struct vcpu_reg_list *c)
>  		}
>  	}
>  
> -	for_each_sublist(c, s)
> -		blessed_n += s->regs_n;
> -	blessed_reg = calloc(blessed_n, sizeof(__u64));
> -
> -	n = 0;
> -	for_each_sublist(c, s) {
> -		for (i = 0; i < s->regs_n; ++i)
> -			blessed_reg[n++] = s->regs[i];
> -	}
> -
>  	for_each_new_reg(i)
>  		++new_regs;
>  
> -- 
> 2.34.1
>

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>

Thanks,
drew
Haibo Xu June 28, 2023, 6 a.m. UTC | #2 
On Tue, Jun 27, 2023 at 5:11 PM Andrew Jones <ajones@ventanamicro.com> wrote:
>
> On Fri, Jun 23, 2023 at 06:40:11PM +0800, Haibo Xu wrote:
> > Only do the get/set tests on present and blessed registers
> > since we don't know the capabilities of any new ones.
> >
> > Suggested-by: Andrew Jones <ajones@ventanamicro.com>
> > Signed-off-by: Haibo Xu <haibo1.xu@intel.com>
> > ---
> >  tools/testing/selftests/kvm/get-reg-list.c | 29 ++++++++++++++--------
> >  1 file changed, 18 insertions(+), 11 deletions(-)
> >
> > diff --git a/tools/testing/selftests/kvm/get-reg-list.c b/tools/testing/selftests/kvm/get-reg-list.c
> > index b956ee410996..3beb6b62de0a 100644
> > --- a/tools/testing/selftests/kvm/get-reg-list.c
> > +++ b/tools/testing/selftests/kvm/get-reg-list.c
> > @@ -52,6 +52,10 @@ extern int vcpu_configs_n;
> >       for_each_reg_filtered(i)                                                \
> >               if (!find_reg(blessed_reg, blessed_n, reg_list->reg[i]))
> >
> > +#define for_each_present_blessed_reg(i)                      \
> > +     for ((i) = 0; (i) < blessed_n; ++(i))           \
> > +             if (find_reg(reg_list->reg, reg_list->n, blessed_reg[i]))
> > +
> >  static const char *config_name(struct vcpu_reg_list *c)
> >  {
> >       struct vcpu_reg_sublist *s;
> > @@ -189,6 +193,16 @@ static void run_test(struct vcpu_reg_list *c)
> >               return;
> >       }
> >
> > +     for_each_sublist(c, s)
> > +             blessed_n += s->regs_n;
> > +     blessed_reg = calloc(blessed_n, sizeof(__u64));
> > +
> > +     n = 0;
> > +     for_each_sublist(c, s) {
> > +             for (i = 0; i < s->regs_n; ++i)
> > +                     blessed_reg[n++] = s->regs[i];
> > +     }
> > +
> >       /*
> >        * We only test that we can get the register and then write back the
> >        * same value. Some registers may allow other values to be written
> > @@ -198,8 +212,11 @@ static void run_test(struct vcpu_reg_list *c)
> >        * be written need to have the other values tested, then we should
> >        * create a new set of tests for those in a new independent test
> >        * executable.
> > +      *
> > +      * Only do the get/set tests on present, blessed list registers,
> > +      * since we don't know the capabilities of any new registers.
> >        */
> > -     for_each_reg(i) {
> > +     for_each_present_blessed_reg(i) {
> >               uint8_t addr[2048 / 8];
> >               struct kvm_one_reg reg = {
> >                       .id = reg_list->reg[i],
> > @@ -242,16 +259,6 @@ static void run_test(struct vcpu_reg_list *c)
> >               }
> >       }
> >
> > -     for_each_sublist(c, s)
> > -             blessed_n += s->regs_n;
> > -     blessed_reg = calloc(blessed_n, sizeof(__u64));
> > -
> > -     n = 0;
> > -     for_each_sublist(c, s) {
> > -             for (i = 0; i < s->regs_n; ++i)
> > -                     blessed_reg[n++] = s->regs[i];
> > -     }
> > -
> >       for_each_new_reg(i)
> >               ++new_regs;
> >
> > --
> > 2.34.1
> >
>
> Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
>
> Thanks,
> drew

Thanks for the review!
diff mbox series

Patch

diff --git a/tools/testing/selftests/kvm/get-reg-list.c b/tools/testing/selftests/kvm/get-reg-list.c
index b956ee410996..3beb6b62de0a 100644
--- a/tools/testing/selftests/kvm/get-reg-list.c
+++ b/tools/testing/selftests/kvm/get-reg-list.c
@@ -52,6 +52,10 @@  extern int vcpu_configs_n;
 	for_each_reg_filtered(i)						\
 		if (!find_reg(blessed_reg, blessed_n, reg_list->reg[i]))
 
+#define for_each_present_blessed_reg(i)			\
+	for ((i) = 0; (i) < blessed_n; ++(i))		\
+		if (find_reg(reg_list->reg, reg_list->n, blessed_reg[i]))
+
 static const char *config_name(struct vcpu_reg_list *c)
 {
 	struct vcpu_reg_sublist *s;
@@ -189,6 +193,16 @@  static void run_test(struct vcpu_reg_list *c)
 		return;
 	}
 
+	for_each_sublist(c, s)
+		blessed_n += s->regs_n;
+	blessed_reg = calloc(blessed_n, sizeof(__u64));
+
+	n = 0;
+	for_each_sublist(c, s) {
+		for (i = 0; i < s->regs_n; ++i)
+			blessed_reg[n++] = s->regs[i];
+	}
+
 	/*
 	 * We only test that we can get the register and then write back the
 	 * same value. Some registers may allow other values to be written
@@ -198,8 +212,11 @@  static void run_test(struct vcpu_reg_list *c)
 	 * be written need to have the other values tested, then we should
 	 * create a new set of tests for those in a new independent test
 	 * executable.
+	 *
+	 * Only do the get/set tests on present, blessed list registers,
+	 * since we don't know the capabilities of any new registers.
 	 */
-	for_each_reg(i) {
+	for_each_present_blessed_reg(i) {
 		uint8_t addr[2048 / 8];
 		struct kvm_one_reg reg = {
 			.id = reg_list->reg[i],
@@ -242,16 +259,6 @@  static void run_test(struct vcpu_reg_list *c)
 		}
 	}
 
-	for_each_sublist(c, s)
-		blessed_n += s->regs_n;
-	blessed_reg = calloc(blessed_n, sizeof(__u64));
-
-	n = 0;
-	for_each_sublist(c, s) {
-		for (i = 0; i < s->regs_n; ++i)
-			blessed_reg[n++] = s->regs[i];
-	}
-
 	for_each_new_reg(i)
 		++new_regs;