Merge branches 'for-next/misc', 'for-next/kselftest', 'for-next/efi-preempt', 'for-next/assembler-macro', 'for-next/typos', 'for-next/sme-ptrace-disable', 'for-next/local-tlbi-page-reused', 'for-next/mpam', 'for-next/acpi' and 'for-next/documentation', remote-tracking branch 'arm64/for-next/perf' into for-next/core

* arm64/for-next/perf:
  perf: arm_spe: Add support for filtering on data source
  perf: Add perf_event_attr::config4
  perf/imx_ddr: Add support for PMU in DB (system interconnects)
  perf/imx_ddr: Get and enable optional clks
  perf/imx_ddr: Move ida_alloc() from ddr_perf_init() to ddr_perf_probe()
  dt-bindings: perf: fsl-imx-ddr: Add compatible string for i.MX8QM, i.MX8QXP and i.MX8DXL
  arch_topology: Provide a stub topology_core_has_smt() for !CONFIG_GENERIC_ARCH_TOPOLOGY
  perf/arm-ni: Fix and optimise register offset calculation
  perf: arm_pmuv3: Add new Cortex and C1 CPU PMUs
  perf: arm_cspmu: fix error handling in arm_cspmu_impl_unregister()
  perf/arm-ni: Add NoC S3 support
  perf/arm_cspmu: nvidia: Add pmevfiltr2 support
  perf/arm_cspmu: nvidia: Add revision id matching
  perf/arm_cspmu: Add pmpidr support
  perf/arm_cspmu: Add callback to reset filter config
  perf: arm_pmuv3: Don't use PMCCNTR_EL0 on SMT cores

* for-next/misc:
  : Miscellaneous patches
  arm64: atomics: lse: Remove unused parameters from ATOMIC_FETCH_OP_AND macros
  arm64: remove duplicate ARCH_HAS_MEM_ENCRYPT
  arm64: mm: use untagged address to calculate page index
  arm64: mm: make linear mapping permission update more robust for patial range
  arm64/mm: Elide TLB flush in certain pte protection transitions
  arm64/mm: Rename try_pgd_pgtable_alloc_init_mm
  arm64/mm: Allow __create_pgd_mapping() to propagate pgtable_alloc() errors
  arm64: add unlikely hint to MTE async fault check in el0_svc_common
  arm64: acpi: add newline to deferred APEI warning
  arm64: entry: Clean out some indirection
  arm64/mm: Ensure PGD_SIZE is aligned to 64 bytes when PA_BITS = 52
  arm64/mm: Drop cpu_set_[default|idmap]_tcr_t0sz()
  arm64: remove unused ARCH_PFN_OFFSET
  arm64: use SOFTIRQ_ON_OWN_STACK for enabling softirq stack
  arm64: Remove assertion on CONFIG_VMAP_STACK

* for-next/kselftest:
  : arm64 kselftest patches
  kselftest/arm64: Align zt-test register dumps

* for-next/efi-preempt:
  : arm64: Make EFI calls preemptible
  arm64/efi: Call EFI runtime services without disabling preemption
  arm64/efi: Move uaccess en/disable out of efi_set_pgd()
  arm64/efi: Drop efi_rt_lock spinlock from EFI arch wrapper
  arm64/fpsimd: Permit kernel mode NEON with IRQs off
  arm64/fpsimd: Don't warn when EFI execution context is preemptible
  efi/runtime-wrappers: Keep track of the efi_runtime_lock owner
  efi: Add missing static initializer for efi_mm::cpus_allowed_lock

* for-next/assembler-macro:
  : arm64: Replace __ASSEMBLY__ with __ASSEMBLER__ in headers
  arm64: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
  arm64: Replace __ASSEMBLY__ with __ASSEMBLER__ in uapi headers

* for-next/typos:
  : Random typo/spelling fixes
  arm64: Fix double word in comments
  arm64: Fix typos and spelling errors in comments

* for-next/sme-ptrace-disable:
  : Support disabling streaming mode via ptrace on SME only systems
  kselftest/arm64: Cover disabling streaming mode without SVE in fp-ptrace
  kselftst/arm64: Test NT_ARM_SVE FPSIMD format writes on non-SVE systems
  arm64/sme: Support disabling streaming mode via ptrace on SME only systems

* for-next/local-tlbi-page-reused:
  : arm64, mm: avoid TLBI broadcast if page reused in write fault
  arm64, tlbflush: don't TLBI broadcast if page reused in write fault
  mm: add spurious fault fixing support for huge pmd

* for-next/mpam: (34 commits)
  : Basic Arm MPAM driver (more to follow)
  MAINTAINERS: new entry for MPAM Driver
  arm_mpam: Add kunit tests for props_mismatch()
  arm_mpam: Add kunit test for bitmap reset
  arm_mpam: Add helper to reset saved mbwu state
  arm_mpam: Use long MBWU counters if supported
  arm_mpam: Probe for long/lwd mbwu counters
  arm_mpam: Consider overflow in bandwidth counter state
  arm_mpam: Track bandwidth counter state for power management
  arm_mpam: Add mpam_msmon_read() to read monitor value
  arm_mpam: Add helpers to allocate monitors
  arm_mpam: Probe and reset the rest of the features
  arm_mpam: Allow configuration to be applied and restored during cpu online
  arm_mpam: Use a static key to indicate when mpam is enabled
  arm_mpam: Register and enable IRQs
  arm_mpam: Extend reset logic to allow devices to be reset any time
  arm_mpam: Add a helper to touch an MSC from any CPU
  arm_mpam: Reset MSC controls from cpuhp callbacks
  arm_mpam: Merge supported features during mpam_enable() into mpam_class
  arm_mpam: Probe the hardware features resctrl supports
  arm_mpam: Add helpers for managing the locking around the mon_sel registers
  ...

* for-next/acpi:
  : arm64 acpi updates
  ACPI: GTDT: Get rid of acpi_arch_timer_mem_init()

* for-next/documentation:
  : arm64 Documentation updates
  Documentation/arm64: Fix the typo of register names
This commit is contained in:
131 changed files with 5298 additions and 442 deletions

View File

@@ -1071,7 +1071,7 @@ static bool sve_write_supported(struct test_config *config)
static bool sve_write_fpsimd_supported(struct test_config *config)
{
if (!sve_supported())
if (!sve_supported() && !sme_supported())
return false;
if ((config->svcr_in & SVCR_ZA) != (config->svcr_expected & SVCR_ZA))
@@ -1231,9 +1231,6 @@ static void sve_write_fpsimd(pid_t child, struct test_config *config)
vl = vl_expected(config);
vq = __sve_vq_from_vl(vl);
if (!vl)
return;
iov.iov_len = SVE_PT_SIZE(vq, SVE_PT_REGS_FPSIMD);
iov.iov_base = malloc(iov.iov_len);
if (!iov.iov_base) {

View File

@@ -394,6 +394,58 @@ out:
free(svebuf);
}
/* Write the FPSIMD registers via the SVE regset when SVE is not supported */
static void ptrace_sve_fpsimd_no_sve(pid_t child)
{
void *svebuf;
struct user_sve_header *sve;
struct user_fpsimd_state *fpsimd, new_fpsimd;
unsigned int i, j;
unsigned char *p;
int ret;
svebuf = malloc(SVE_PT_SIZE(0, SVE_PT_REGS_FPSIMD));
if (!svebuf) {
ksft_test_result_fail("Failed to allocate FPSIMD buffer\n");
return;
}
/* On a system without SVE the VL should be set to 0 */
memset(svebuf, 0, SVE_PT_SIZE(0, SVE_PT_REGS_FPSIMD));
sve = svebuf;
sve->flags = SVE_PT_REGS_FPSIMD;
sve->size = SVE_PT_SIZE(0, SVE_PT_REGS_FPSIMD);
sve->vl = 0;
/* Try to set a known FPSIMD state via PT_REGS_SVE */
fpsimd = (struct user_fpsimd_state *)((char *)sve +
SVE_PT_FPSIMD_OFFSET);
for (i = 0; i < 32; ++i) {
p = (unsigned char *)&fpsimd->vregs[i];
for (j = 0; j < sizeof(fpsimd->vregs[i]); ++j)
p[j] = j;
}
ret = set_sve(child, &vec_types[0], sve);
ksft_test_result(ret == 0, "FPSIMD write via SVE\n");
if (ret) {
ksft_test_result_skip("Verify FPSIMD write via SVE\n");
goto out;
}
/* Verify via the FPSIMD regset */
if (get_fpsimd(child, &new_fpsimd)) {
ksft_test_result_skip("Verify FPSIMD write via SVE\n");
goto out;
}
ksft_test_result(memcmp(fpsimd, &new_fpsimd, sizeof(*fpsimd)) == 0,
"Verify FPSIMD write via SVE\n");
out:
free(svebuf);
}
/* Validate attempting to set SVE data and read SVE data */
static void ptrace_set_sve_get_sve_data(pid_t child,
const struct vec_type *type,
@@ -826,6 +878,15 @@ static int do_parent(pid_t child)
}
}
/* We support SVE writes of FPSMID format on SME only systems */
if (!(getauxval(AT_HWCAP) & HWCAP_SVE) &&
(getauxval(AT_HWCAP2) & HWCAP2_SME)) {
ptrace_sve_fpsimd_no_sve(child);
} else {
ksft_test_result_skip("FPSIMD write via SVE\n");
ksft_test_result_skip("Verify FPSIMD write via SVE\n");
}
ret = EXIT_SUCCESS;
error:

View File

@@ -276,7 +276,7 @@ function barf
bl putdec
puts ", iteration="
mov x0, x22
bl putdec
bl putdecn
puts "\tExpected ["
mov x0, x10
mov x1, x12