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LoongArch: Fix some issues and update interrupt registration policy #269

Merged
merged 4 commits into from
Jun 14, 2024
Merged

LoongArch: Fix some issues and update interrupt registration policy #269

merged 4 commits into from
Jun 14, 2024

Commits on Jun 13, 2024

  1. LoongArch: fix KASLR can not be disabled by nokaslr when boot from ol… 

    …d BPI

After this patch,KASLR is really disabled when nokaslr passed from
boot parameter for old BPI.

Fixes: 59eab58 ("LoongArch: Old BPI compatibility")
Signed-off-by: Hongchen Zhang <[email protected]>
Signed-off-by: Ming Wang <[email protected]>
Signed-off-by: Yanteng Si <[email protected]>
    Yanteng Si committed Jun 13, 2024
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  2. irqchip/loongson-pch-pic: Update interrupt registration policy 

    The current code is using a fixed mapping between the LS7A interrupt source
and the HT interrupt vector. This prevents the utilization of the full
interrupt vector space and therefore limits the number of interrupt source
in a system.

Replace the fixed mapping with a dynamic mapping which allocates a
vector when an interrupt source is set up. This avoids that unused
sources prevent vectors from being used for other devices.

Introduce a mapping table in struct pch_pic, where each interrupt source
will allocate an index as a 'hwirq' number from the table in the order of
application and set table value as interrupt source number. This hwirq
number will be configured as vector in the HT interrupt controller. For an
interrupt source, the validity period of the obtained hwirq will last until
the system reset.

Co-developed-by: Biao Dong <[email protected]>
Signed-off-by: Biao Dong <[email protected]>
Co-developed-by: Tianyang Zhang <[email protected]>
Signed-off-by: Tianyang Zhang <[email protected]>
Signed-off-by: Baoqi Zhang <[email protected]>
Signed-off-by: Yanteng Si <[email protected]>
    Yanteng Si committed Jun 13, 2024
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  3. irqchip/loongson-eiointc: fix gsi register error 

    When we boot a 3C5000-7A2000 2Node server using "nr_cpus=1 maxcpus=1",
we get the following Call Trace:
    4.807397] ------------[ cut here ]------------
[    4.811996] WARNING: CPU: 0 PID: 1 at drivers/acpi/irq.c:63 acpi_register_gsi+0xe0/0x100
[    4.820048] Modules linked in:
[    4.823082] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc7-next-20240509+ deepin-community#26
[    4.830604] Hardware name: LOONGSON Dabieshan/Loongson-LS2C50C2, BIOS Loongson UEFI (3C50007A2000_Ls2c5lc2) V4.0.13-Dual 12/06/23 17:33:54
[    4.842964] pc 9000000000bdc6e0 ra 9000000000bdc66c tp 90000002051d4000 sp 90000002051d7ae0
[    4.851269] a0 0000000000000000 a1 00000000000000a0 a2 0000000000000000 a3 0000000000000000
[    4.859567] a4 9000000200014518 a5 000000000000003c a6 90000000018876b0 a7 00302e39303a3030
[    4.867866] t0 0000000000000000 t1 0000000000000080 t2 0000000000000040 t3 0000000000036800
[    4.876165] t4 0000000000036800 t5 0000000000000004 t6 0000000000000000 t7 0000000000000000
[    4.884464] t8 900000000800d910 u0 0000000000000000 s9 90000000014bf9e8 s0 00000000000000a0
[    4.892763] s1 0000000000000000 s2 0000000000000000 s3 9000000001985000 s4 90000002051d7b88
[    4.901063] s5 0000000000000001 s6 90000002055470b8 s7 90000000014400ac s8 0000000000000008
[    4.909362]    ra: 9000000000bdc66c acpi_register_gsi+0x6c/0x100
[    4.915330]   ERA: 9000000000bdc6e0 acpi_register_gsi+0xe0/0x100
[    4.921297]  CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE)
[    4.927446]  PRMD: 00000004 (PPLV0 +PIE -PWE)
[    4.931777]  EUEN: 00000000 (-FPE -SXE -ASXE -BTE)
[    4.936538]  ECFG: 00071c1d (LIE=0,2-4,10-12 VS=7)
[    4.941301] ESTAT: 000c0000 [BRK] (IS= ECode=12 EsubCode=0)
[    4.946838]  PRID: 0014c011 (Loongson-64bit, Loongson-3C5000)
[    4.952545] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc7-next-20240509+ deepin-community#26
[    4.960066] Hardware name: LOONGSON Dabieshan/Loongson-LS2C50C2, BIOS Loongson UEFI (3C50007A2000_Ls2c5lc2) V4.0.13-Dual 12/06/23 17:33:54
[    4.972425] Stack : 9000000001985000 0000000000000000 9000000000223524 90000002051d4000
[    4.980382]         90000002051d7740 90000002051d7748 0000000000000000 90000002051d7888
[    4.988338]         90000002051d7880 90000002051d7880 90000002051d7690 0000000000000001
[    4.996294]         0000000000000001 90000002051d7748 420a070366b7e75d 90000002054f4500
[    5.004251]         0000000000000001 0000000000000000 4137303030354333 c0000000ffffdfff
[    5.012206]         0000000000000003 00000000000ea642 0000000006b3c000 90000000014bf9e8
[    5.020163]         0000000000000000 0000000000000000 90000000017f7e80 9000000001985000
[    5.028119]         0000000000000001 0000000000000000 ffffffffffd7f549 90000000014400ac
[    5.036075]         0000000000000008 0000000000000000 900000000022353c 00007ffff1354000
[    5.044031]         00000000000000b0 0000000000000004 0000000000000000 0000000000071c1d
[    5.051987]         ...
[    5.054410] Call Trace:
[    5.054412] [<900000000022353c>] show_stack+0x5c/0x1a0
[    5.061940] [<900000000141e86c>] dump_stack_lvl+0x9c/0xc4
[    5.067305] [<900000000140170c>] __warn+0x94/0xcc
[    5.071977] [<90000000013cd900>] report_bug+0x160/0x220
[    5.077170] [<900000000141facc>] do_bp+0x26c/0x2e0
[    5.081929] [<0000000000000000>] 0x0
[    5.085475] [<9000000000bdc6e0>] acpi_register_gsi+0xe0/0x100
[    5.091182] [<9000000000bd5350>] acpi_pci_irq_enable+0xd0/0x220
[    5.097061] [<9000000000b5e8d4>] pci_device_probe+0x54/0x260
[    5.102683] [<9000000000d1fefc>] really_probe+0xbc/0x320
[    5.107960] [<9000000000d201f0>] __driver_probe_device+0x90/0x160
[    5.114012] [<9000000000d202f8>] driver_probe_device+0x38/0x120
[    5.119892] [<9000000000d205d4>] __driver_attach+0x94/0x1c0
[    5.125426] [<9000000000d1d7ac>] bus_for_each_dev+0x8c/0x100
[    5.131046] [<9000000000d1ee30>] bus_add_driver+0xf0/0x240
[    5.136494] [<9000000000d21688>] driver_register+0x68/0x140
[    5.142028] [<9000000000220158>] do_one_initcall+0x78/0x200
[    5.147561] [<9000000001440fcc>] kernel_init_freeable+0x23c/0x2b0
[    5.153614] [<900000000142123c>] kernel_init+0x1c/0x120
[    5.158802] [<9000000000221348>] ret_from_kernel_thread+0xc/0xa4

[    5.166244] ---[ end trace 0000000000000000 ]---
[    5.170998] GSI: No registered irqchip, giving up

The root cause is that when the CPU boot from flat mode, it is
unreliable to use cpu_to node to calculate the node number.
Therefore, we use NODES_PER_FLATMODE_NODE to calculate the
physical node number.

According to the 3C5000 user manual, the value of
NODES_PER_FLATMODE_NODE should be 4.

Signed-off-by: Ming Wang <[email protected]>
Signed-off-by: Hongchen Zhang <[email protected]>
Signed-off-by: Yanteng Si <[email protected]>
    Yanteng Si committed Jun 13, 2024
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  4. LoongArch: fix efi map page table error 

    Fixes: d7aad0c ("LoongArch: add kernel setvirtmap for runtime")
Signed-off-by: Yun Liu <[email protected]>
Signed-off-by: Hongchen Zhang <[email protected]>
Signed-off-by: Yanteng Si <[email protected]>
    Yanteng Si committed Jun 13, 2024
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