From: Thomas Huth <thuth@redhat.com>
To: Eric Blake <eblake@redhat.com>, qemu-devel@nongnu.org
Cc: pbonzini@redhat.com, Igor Mammedov <imammedo@redhat.com>,
armbru@redhat.com, Ben Warren <ben@skyportsystems.com>,
"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v6 23/29] tests/acpi-utils: Drop dependence on global_qtest
Date: Tue, 5 Sep 2017 12:57:46 +0200 [thread overview]
Message-ID: <e1f003db-0841-c2a1-c019-6b9d68114281@redhat.com> (raw)
In-Reply-To: <20170901180340.30009-24-eblake@redhat.com>
On 01.09.2017 20:03, Eric Blake wrote:
> As a general rule, we prefer avoiding implicit global state
> because it makes code harder to safely copy and paste without
> thinking about the global state. Adjust the helper code to
> use explicit state instead, and update all callers.
>
> Signed-off-by: Eric Blake <eblake@redhat.com>
> ---
> tests/acpi-utils.h | 65 +++++++++----------
> tests/acpi-utils.c | 19 +++---
> tests/bios-tables-test.c | 161 ++++++++++++++++++++++++-----------------------
> tests/vmgenid-test.c | 18 +++---
> 4 files changed, 133 insertions(+), 130 deletions(-)
[...]
> @@ -87,7 +87,7 @@ static void test_acpi_rsdp_table(test_data *data)
> AcpiRsdpDescriptor *rsdp_table = &data->rsdp_table;
> uint32_t addr = data->rsdp_addr;
>
> - acpi_parse_rsdp_table(addr, rsdp_table);
> + acpi_parse_rsdp_table(global_qtest, addr, rsdp_table);
>
> /* rsdp checksum is not for the whole table, but for the first 20 bytes */
> g_assert(!acpi_calc_checksum((uint8_t *)rsdp_table, 20));
> @@ -102,7 +102,7 @@ static void test_acpi_rsdt_table(test_data *data)
> uint8_t checksum;
>
> /* read the header */
> - ACPI_READ_TABLE_HEADER(rsdt_table, addr);
> + ACPI_READ_TABLE_HEADER(global_qtest, rsdt_table, addr);
> ACPI_ASSERT_CMP(rsdt_table->signature, "RSDT");
>
> /* compute the table entries in rsdt */
> @@ -112,7 +112,7 @@ static void test_acpi_rsdt_table(test_data *data)
>
> /* get the addresses of the tables pointed by rsdt */
> tables = g_new0(uint32_t, tables_nr);
> - ACPI_READ_ARRAY_PTR(tables, tables_nr, addr);
> + ACPI_READ_ARRAY_PTR(global_qtest, tables, tables_nr, addr);
>
> checksum = acpi_calc_checksum((uint8_t *)rsdt_table, rsdt_table->length) +
> acpi_calc_checksum((uint8_t *)tables,
Wouldn't it be better to use a "QTestState *qts = global_qtest" variable
in this function, like you do it below in test_acpi_fadt_table()? Or
even pass it via test_data already? Otherwise you've got to change all
lines again when finally getting rid of global_qtest ...
> @@ -128,63 +128,64 @@ static void test_acpi_fadt_table(test_data *data)
> {
> AcpiFadtDescriptorRev3 *fadt_table = &data->fadt_table;
> uint32_t addr;
> + QTestState *qts = global_qtest;
>
> /* FADT table comes first */
> addr = data->rsdt_tables_addr[0];
> - ACPI_READ_TABLE_HEADER(fadt_table, addr);
> + ACPI_READ_TABLE_HEADER(qts, fadt_table, addr);
>
> - ACPI_READ_FIELD(fadt_table->firmware_ctrl, addr);
> - ACPI_READ_FIELD(fadt_table->dsdt, addr);
> - ACPI_READ_FIELD(fadt_table->model, addr);
> - ACPI_READ_FIELD(fadt_table->reserved1, addr);
> - ACPI_READ_FIELD(fadt_table->sci_int, addr);
> - ACPI_READ_FIELD(fadt_table->smi_cmd, addr);
> - ACPI_READ_FIELD(fadt_table->acpi_enable, addr);
> - ACPI_READ_FIELD(fadt_table->acpi_disable, addr);
> - ACPI_READ_FIELD(fadt_table->S4bios_req, addr);
> - ACPI_READ_FIELD(fadt_table->reserved2, addr);
> - ACPI_READ_FIELD(fadt_table->pm1a_evt_blk, addr);
> - ACPI_READ_FIELD(fadt_table->pm1b_evt_blk, addr);
> - ACPI_READ_FIELD(fadt_table->pm1a_cnt_blk, addr);
> - ACPI_READ_FIELD(fadt_table->pm1b_cnt_blk, addr);
> - ACPI_READ_FIELD(fadt_table->pm2_cnt_blk, addr);
> - ACPI_READ_FIELD(fadt_table->pm_tmr_blk, addr);
> - ACPI_READ_FIELD(fadt_table->gpe0_blk, addr);
> - ACPI_READ_FIELD(fadt_table->gpe1_blk, addr);
> - ACPI_READ_FIELD(fadt_table->pm1_evt_len, addr);
> - ACPI_READ_FIELD(fadt_table->pm1_cnt_len, addr);
> - ACPI_READ_FIELD(fadt_table->pm2_cnt_len, addr);
> - ACPI_READ_FIELD(fadt_table->pm_tmr_len, addr);
> - ACPI_READ_FIELD(fadt_table->gpe0_blk_len, addr);
> - ACPI_READ_FIELD(fadt_table->gpe1_blk_len, addr);
> - ACPI_READ_FIELD(fadt_table->gpe1_base, addr);
> - ACPI_READ_FIELD(fadt_table->reserved3, addr);
> - ACPI_READ_FIELD(fadt_table->plvl2_lat, addr);
> - ACPI_READ_FIELD(fadt_table->plvl3_lat, addr);
> - ACPI_READ_FIELD(fadt_table->flush_size, addr);
> - ACPI_READ_FIELD(fadt_table->flush_stride, addr);
> - ACPI_READ_FIELD(fadt_table->duty_offset, addr);
> - ACPI_READ_FIELD(fadt_table->duty_width, addr);
> - ACPI_READ_FIELD(fadt_table->day_alrm, addr);
> - ACPI_READ_FIELD(fadt_table->mon_alrm, addr);
> - ACPI_READ_FIELD(fadt_table->century, addr);
> - ACPI_READ_FIELD(fadt_table->boot_flags, addr);
> - ACPI_READ_FIELD(fadt_table->reserved, addr);
> - ACPI_READ_FIELD(fadt_table->flags, addr);
> - ACPI_READ_GENERIC_ADDRESS(fadt_table->reset_register, addr);
> - ACPI_READ_FIELD(fadt_table->reset_value, addr);
> - ACPI_READ_FIELD(fadt_table->arm_boot_flags, addr);
> - ACPI_READ_FIELD(fadt_table->minor_revision, addr);
> - ACPI_READ_FIELD(fadt_table->x_facs, addr);
> - ACPI_READ_FIELD(fadt_table->x_dsdt, addr);
> - ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm1a_event_block, addr);
> - ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm1b_event_block, addr);
> - ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm1a_control_block, addr);
> - ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm1b_control_block, addr);
> - ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm2_control_block, addr);
> - ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm_timer_block, addr);
> - ACPI_READ_GENERIC_ADDRESS(fadt_table->xgpe0_block, addr);
> - ACPI_READ_GENERIC_ADDRESS(fadt_table->xgpe1_block, addr);
> + ACPI_READ_FIELD(qts, fadt_table->firmware_ctrl, addr);
> + ACPI_READ_FIELD(qts, fadt_table->dsdt, addr);
> + ACPI_READ_FIELD(qts, fadt_table->model, addr);
> + ACPI_READ_FIELD(qts, fadt_table->reserved1, addr);
> + ACPI_READ_FIELD(qts, fadt_table->sci_int, addr);
> + ACPI_READ_FIELD(qts, fadt_table->smi_cmd, addr);
> + ACPI_READ_FIELD(qts, fadt_table->acpi_enable, addr);
> + ACPI_READ_FIELD(qts, fadt_table->acpi_disable, addr);
> + ACPI_READ_FIELD(qts, fadt_table->S4bios_req, addr);
> + ACPI_READ_FIELD(qts, fadt_table->reserved2, addr);
> + ACPI_READ_FIELD(qts, fadt_table->pm1a_evt_blk, addr);
> + ACPI_READ_FIELD(qts, fadt_table->pm1b_evt_blk, addr);
> + ACPI_READ_FIELD(qts, fadt_table->pm1a_cnt_blk, addr);
> + ACPI_READ_FIELD(qts, fadt_table->pm1b_cnt_blk, addr);
> + ACPI_READ_FIELD(qts, fadt_table->pm2_cnt_blk, addr);
> + ACPI_READ_FIELD(qts, fadt_table->pm_tmr_blk, addr);
> + ACPI_READ_FIELD(qts, fadt_table->gpe0_blk, addr);
> + ACPI_READ_FIELD(qts, fadt_table->gpe1_blk, addr);
> + ACPI_READ_FIELD(qts, fadt_table->pm1_evt_len, addr);
> + ACPI_READ_FIELD(qts, fadt_table->pm1_cnt_len, addr);
> + ACPI_READ_FIELD(qts, fadt_table->pm2_cnt_len, addr);
> + ACPI_READ_FIELD(qts, fadt_table->pm_tmr_len, addr);
> + ACPI_READ_FIELD(qts, fadt_table->gpe0_blk_len, addr);
> + ACPI_READ_FIELD(qts, fadt_table->gpe1_blk_len, addr);
> + ACPI_READ_FIELD(qts, fadt_table->gpe1_base, addr);
> + ACPI_READ_FIELD(qts, fadt_table->reserved3, addr);
> + ACPI_READ_FIELD(qts, fadt_table->plvl2_lat, addr);
> + ACPI_READ_FIELD(qts, fadt_table->plvl3_lat, addr);
> + ACPI_READ_FIELD(qts, fadt_table->flush_size, addr);
> + ACPI_READ_FIELD(qts, fadt_table->flush_stride, addr);
> + ACPI_READ_FIELD(qts, fadt_table->duty_offset, addr);
> + ACPI_READ_FIELD(qts, fadt_table->duty_width, addr);
> + ACPI_READ_FIELD(qts, fadt_table->day_alrm, addr);
> + ACPI_READ_FIELD(qts, fadt_table->mon_alrm, addr);
> + ACPI_READ_FIELD(qts, fadt_table->century, addr);
> + ACPI_READ_FIELD(qts, fadt_table->boot_flags, addr);
> + ACPI_READ_FIELD(qts, fadt_table->reserved, addr);
> + ACPI_READ_FIELD(qts, fadt_table->flags, addr);
> + ACPI_READ_GENERIC_ADDRESS(qts, fadt_table->reset_register, addr);
> + ACPI_READ_FIELD(qts, fadt_table->reset_value, addr);
> + ACPI_READ_FIELD(qts, fadt_table->arm_boot_flags, addr);
> + ACPI_READ_FIELD(qts, fadt_table->minor_revision, addr);
> + ACPI_READ_FIELD(qts, fadt_table->x_facs, addr);
> + ACPI_READ_FIELD(qts, fadt_table->x_dsdt, addr);
> + ACPI_READ_GENERIC_ADDRESS(qts, fadt_table->xpm1a_event_block, addr);
> + ACPI_READ_GENERIC_ADDRESS(qts, fadt_table->xpm1b_event_block, addr);
> + ACPI_READ_GENERIC_ADDRESS(qts, fadt_table->xpm1a_control_block, addr);
> + ACPI_READ_GENERIC_ADDRESS(qts, fadt_table->xpm1b_control_block, addr);
> + ACPI_READ_GENERIC_ADDRESS(qts, fadt_table->xpm2_control_block, addr);
> + ACPI_READ_GENERIC_ADDRESS(qts, fadt_table->xpm_timer_block, addr);
> + ACPI_READ_GENERIC_ADDRESS(qts, fadt_table->xgpe0_block, addr);
> + ACPI_READ_GENERIC_ADDRESS(qts, fadt_table->xgpe1_block, addr);
>
> ACPI_ASSERT_CMP(fadt_table->signature, "FACP");
> g_assert(!acpi_calc_checksum((uint8_t *)fadt_table, fadt_table->length));
> @@ -195,13 +196,13 @@ static void test_acpi_facs_table(test_data *data)
> AcpiFacsDescriptorRev1 *facs_table = &data->facs_table;
> uint32_t addr = data->fadt_table.firmware_ctrl;
>
> - ACPI_READ_FIELD(facs_table->signature, addr);
> - ACPI_READ_FIELD(facs_table->length, addr);
> - ACPI_READ_FIELD(facs_table->hardware_signature, addr);
> - ACPI_READ_FIELD(facs_table->firmware_waking_vector, addr);
> - ACPI_READ_FIELD(facs_table->global_lock, addr);
> - ACPI_READ_FIELD(facs_table->flags, addr);
> - ACPI_READ_ARRAY(facs_table->resverved3, addr);
> + ACPI_READ_FIELD(global_qtest, facs_table->signature, addr);
> + ACPI_READ_FIELD(global_qtest, facs_table->length, addr);
> + ACPI_READ_FIELD(global_qtest, facs_table->hardware_signature, addr);
> + ACPI_READ_FIELD(global_qtest, facs_table->firmware_waking_vector, addr);
> + ACPI_READ_FIELD(global_qtest, facs_table->global_lock, addr);
> + ACPI_READ_FIELD(global_qtest, facs_table->flags, addr);
> + ACPI_READ_ARRAY(global_qtest, facs_table->resverved3, addr);
Dito, i.e. use a local "QTestState *qts = global_qtest" variable instead?
Same comment applies to the other functions where you were using
global_test like this.
Thomas
next prev parent reply other threads:[~2017-09-05 10:58 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-01 18:03 [Qemu-devel] [PATCH v6 00/29] Preliminary libqtest cleanups Eric Blake
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 01/29] tests: Improve .gitignore for tests/multiboot Eric Blake
2017-09-04 14:03 ` Thomas Huth
2017-09-06 19:33 ` Eric Blake
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 02/29] tests: Sort .gitignore Eric Blake
2017-09-05 7:20 ` Thomas Huth
2017-09-05 9:53 ` Markus Armbruster
2017-09-05 9:58 ` Thomas Huth
2017-09-05 10:10 ` Daniel P. Berrange
2017-09-05 10:44 ` Thomas Huth
2017-09-05 14:22 ` Eric Blake
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 03/29] test-qga: Kill broken and dead QGA_TEST_SIDE_EFFECTING code Eric Blake
2017-09-05 7:43 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 04/29] qtest: Don't perform side effects inside assertion Eric Blake
2017-09-04 14:06 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 05/29] numa-test: Use hmp() Eric Blake
2017-09-05 7:44 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 06/29] tests: Clean up wait for event Eric Blake
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 07/29] libqtest: Remove dead qtest_instances variable Eric Blake
2017-09-04 17:02 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 08/29] libqtest: Let socket_send() compute length Eric Blake
2017-09-05 8:12 ` Thomas Huth
2017-09-05 9:54 ` Markus Armbruster
2017-09-05 22:20 ` Eric Blake
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 09/29] libqtest: Use qemu_strtoul() Eric Blake
2017-09-05 9:11 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 10/29] libqtest: Topologically sort functions Eric Blake
2017-09-05 9:22 ` Thomas Huth
2017-09-05 10:01 ` Markus Armbruster
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 11/29] libqtest: Inline qtest_query_target_endianness() Eric Blake
2017-09-02 0:10 ` Philippe Mathieu-Daudé
2017-09-05 9:25 ` Thomas Huth
2017-09-06 20:12 ` Eric Blake
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 12/29] libqos: Track QTestState with QPCIBus Eric Blake
2017-09-01 19:20 ` Philippe Mathieu-Daudé
2017-09-06 20:48 ` Eric Blake
2017-09-01 23:06 ` John Snow
2017-09-05 9:36 ` Thomas Huth
2017-09-06 21:00 ` Eric Blake
2017-09-07 5:35 ` Thomas Huth
2017-09-07 13:32 ` Eric Blake
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 13/29] libqos: Use explicit QTestState for pci operations Eric Blake
2017-09-01 19:22 ` Philippe Mathieu-Daudé
2017-09-05 10:03 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 14/29] libqos: Use explicit QTestState for fw_cfg operations Eric Blake
2017-09-01 19:21 ` [Qemu-devel] [PATCH v6 14.5/29] fixup! " Eric Blake
2017-09-01 19:24 ` [Qemu-devel] [PATCH v6 14/29] " Philippe Mathieu-Daudé
2017-09-01 23:06 ` John Snow
2017-09-05 10:12 ` Thomas Huth
2017-09-05 11:03 ` Thomas Huth
2017-09-06 21:10 ` Eric Blake
2017-09-06 21:25 ` Eric Blake
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 15/29] libqos: Use explicit QTestState for rtas operations Eric Blake
2017-09-05 10:16 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 16/29] libqos: Use explicit QTestState for virtio operations Eric Blake
2017-09-05 10:26 ` Thomas Huth
2017-09-05 12:43 ` [Qemu-devel] [Qemu-block] " Paolo Bonzini
2017-09-06 21:42 ` Eric Blake
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 17/29] ahci-test: Drop dependence on global_qtest Eric Blake
2017-09-01 23:11 ` John Snow
2017-09-05 10:32 ` Thomas Huth
2017-09-07 20:19 ` Eric Blake
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 18/29] ivshmem-test: " Eric Blake
2017-09-05 10:36 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 19/29] postcopy-test: " Eric Blake
2017-09-05 10:41 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 20/29] vhost-user-test: " Eric Blake
2017-09-05 10:49 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 21/29] qmp-test: " Eric Blake
2017-09-05 7:11 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 22/29] tests/boot-sector: " Eric Blake
2017-09-05 7:04 ` Thomas Huth
2017-09-08 12:48 ` Michael S. Tsirkin
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 23/29] tests/acpi-utils: " Eric Blake
2017-09-05 10:57 ` Thomas Huth [this message]
2017-09-08 12:48 ` Michael S. Tsirkin
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 24/29] bios-tables-test: " Eric Blake
2017-09-05 10:59 ` Thomas Huth
2017-09-07 21:30 ` Eric Blake
2017-09-08 12:49 ` Michael S. Tsirkin
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 25/29] wdt_ib700-test: " Eric Blake
2017-09-05 11:01 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 26/29] fw_cfg-test: " Eric Blake
2017-09-02 0:07 ` Philippe Mathieu-Daudé
2017-09-05 11:05 ` Thomas Huth
2017-09-06 21:45 ` Eric Blake
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 27/29] libqtest: Make qtest_init() accept format string Eric Blake
2017-09-05 12:46 ` Thomas Huth
2017-09-07 18:00 ` Eric Blake
2017-09-07 19:07 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 28/29] libqtest: Remove qtest_start() and qtest_end() shortcuts Eric Blake
2017-09-01 23:16 ` John Snow
2017-09-05 13:06 ` Thomas Huth
2017-09-01 18:03 ` [Qemu-devel] [PATCH v6 29/29] libqtest: Rename qtest_init() to qtest_start() Eric Blake
2017-09-01 23:17 ` John Snow
2017-09-05 13:10 ` Thomas Huth
2017-09-07 2:57 ` Eric Blake
2017-09-01 18:31 ` [Qemu-devel] [PATCH v6 00/29] Preliminary libqtest cleanups no-reply
2017-09-01 18:44 ` Eric Blake
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