| Message ID | 20240704111231.2881016-1-xiaoyao.li@intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | i386/cpu: Drop the check of phys_bits in host_cpu_realizefn() | expand |
On Thu, 4 Jul 2024 07:12:31 -0400 Xiaoyao Li <xiaoyao.li@intel.com> wrote: > The check of cpu->phys_bits to be in range between > [32, TARGET_PHYS_ADDR_SPACE_BITS] in host_cpu_realizefn() > is duplicated with check in x86_cpu_realizefn(). > > Since the ckeck in x86_cpu_realizefn() is called later and can cover all > teh x86 case. Remove the one in host_cpu_realizefn(). > > Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> > --- > target/i386/host-cpu.c | 12 +----------- > 1 file changed, 1 insertion(+), 11 deletions(-) > > diff --git a/target/i386/host-cpu.c b/target/i386/host-cpu.c > index 8b8bf5afeccf..b109c1a2221f 100644 > --- a/target/i386/host-cpu.c > +++ b/target/i386/host-cpu.c > @@ -75,17 +75,7 @@ bool host_cpu_realizefn(CPUState *cs, Error **errp) > CPUX86State *env = &cpu->env; > > if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) { > - uint32_t phys_bits = host_cpu_adjust_phys_bits(cpu); > - > - if (phys_bits && > - (phys_bits > TARGET_PHYS_ADDR_SPACE_BITS || > - phys_bits < 32)) { > - error_setg(errp, "phys-bits should be between 32 and %u " > - " (but is %u)", > - TARGET_PHYS_ADDR_SPACE_BITS, phys_bits); > - return false; > - } > - cpu->phys_bits = phys_bits; > + cpu->phys_bits = host_cpu_adjust_phys_bits(cpu); > } > return true; > }
Hi Xiaoyao, On Thu, Jul 04, 2024 at 07:12:31AM -0400, Xiaoyao Li wrote: > Date: Thu, 4 Jul 2024 07:12:31 -0400 > From: Xiaoyao Li <xiaoyao.li@intel.com> > Subject: [PATCH] i386/cpu: Drop the check of phys_bits in > host_cpu_realizefn() > X-Mailer: git-send-email 2.34.1 > > The check of cpu->phys_bits to be in range between > [32, TARGET_PHYS_ADDR_SPACE_BITS] in host_cpu_realizefn() > is duplicated with check in x86_cpu_realizefn(). > > Since the ckeck in x86_cpu_realizefn() is called later and can cover all > teh x86 case. Remove the one in host_cpu_realizefn(). > > Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com> > --- > target/i386/host-cpu.c | 12 +----------- > 1 file changed, 1 insertion(+), 11 deletions(-) > > diff --git a/target/i386/host-cpu.c b/target/i386/host-cpu.c > index 8b8bf5afeccf..b109c1a2221f 100644 > --- a/target/i386/host-cpu.c > +++ b/target/i386/host-cpu.c > @@ -75,17 +75,7 @@ bool host_cpu_realizefn(CPUState *cs, Error **errp) > CPUX86State *env = &cpu->env; > > if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) { > - uint32_t phys_bits = host_cpu_adjust_phys_bits(cpu); > - > - if (phys_bits && > - (phys_bits > TARGET_PHYS_ADDR_SPACE_BITS || > - phys_bits < 32)) { > - error_setg(errp, "phys-bits should be between 32 and %u " > - " (but is %u)", > - TARGET_PHYS_ADDR_SPACE_BITS, phys_bits); > - return false; > - } > - cpu->phys_bits = phys_bits; > + cpu->phys_bits = host_cpu_adjust_phys_bits(cpu); Just nit: cpu->phys_bits can be adjusted directly in host_cpu_adjust_phys_bits(), and no need to return it out again. Otherwise, Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
diff --git a/target/i386/host-cpu.c b/target/i386/host-cpu.c index 8b8bf5afeccf..b109c1a2221f 100644 --- a/target/i386/host-cpu.c +++ b/target/i386/host-cpu.c @@ -75,17 +75,7 @@ bool host_cpu_realizefn(CPUState *cs, Error **errp) CPUX86State *env = &cpu->env; if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) { - uint32_t phys_bits = host_cpu_adjust_phys_bits(cpu); - - if (phys_bits && - (phys_bits > TARGET_PHYS_ADDR_SPACE_BITS || - phys_bits < 32)) { - error_setg(errp, "phys-bits should be between 32 and %u " - " (but is %u)", - TARGET_PHYS_ADDR_SPACE_BITS, phys_bits); - return false; - } - cpu->phys_bits = phys_bits; + cpu->phys_bits = host_cpu_adjust_phys_bits(cpu); } return true; }
The check of cpu->phys_bits to be in range between [32, TARGET_PHYS_ADDR_SPACE_BITS] in host_cpu_realizefn() is duplicated with check in x86_cpu_realizefn(). Since the ckeck in x86_cpu_realizefn() is called later and can cover all teh x86 case. Remove the one in host_cpu_realizefn(). Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com> --- target/i386/host-cpu.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-)