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KVM: selftests: Only do get/set tests on present blessed list

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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>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Haibo Xu
2023-07-25 16:41:36 +08:00
committed by Anup Patel
parent e85660338f
commit c47467712e
1 changed files with 18 additions and 11 deletions
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29
tools/testing/selftests/kvm/get-reg-list.c
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@@ -50,6 +50,10 @@ 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_each_reg(i) \
if (find_reg(blessed_reg, blessed_n, reg_list->reg[i]))
static const char *config_name(struct vcpu_reg_list *c)
{
struct vcpu_reg_sublist *s;
@@ -183,6 +187,16 @@ 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
@@ -192,8 +206,11 @@ 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],
@@ -236,16 +253,6 @@ 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;