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| author |   Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2024-05-28 22:21:34 +0200 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2024-05-28 22:21:34 +0200 |
| commit | f73a058be5d70dd81a43f16b2bbff4b1576a7af8 (patch) | |
| tree | b7959c01cf7a5d95c7c4d5b61929ff9123370322 /arch/powerpc/kernel/prom.c | |
| parent | dma-buf: handle testing kthreads creation failure (diff) | |
| parent | Merge tag 'drm-misc-fixes-2024-05-23' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes (diff) | |
| download | wireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.tar.xz wireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.zip | |
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
v6.10-rc1 is released, forward from v6.9
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'arch/powerpc/kernel/prom.c')
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index cd8d8883de90..60819751e55e 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -779,7 +779,7 @@ static inline void save_fscr_to_task(void) {} void __init early_init_devtree(void *params) { - phys_addr_t limit; + phys_addr_t int_vector_size; DBG(" -> early_init_devtree(%px)\n", params); @@ -813,6 +813,9 @@ void __init early_init_devtree(void *params) */ of_scan_flat_dt(early_init_dt_scan_chosen_ppc, boot_command_line); + /* Append additional parameters passed for fadump capture kernel */ + fadump_append_bootargs(); + /* Scan memory nodes and rebuild MEMBLOCKs */ early_init_dt_scan_root(); early_init_dt_scan_memory_ppc(); @@ -832,9 +835,16 @@ void __init early_init_devtree(void *params) setup_initial_memory_limit(memstart_addr, first_memblock_size); /* Reserve MEMBLOCK regions used by kernel, initrd, dt, etc... */ memblock_reserve(PHYSICAL_START, __pa(_end) - PHYSICAL_START); +#ifdef CONFIG_PPC64 + /* If relocatable, reserve at least 32k for interrupt vectors etc. */ + int_vector_size = __end_interrupts - _stext; + int_vector_size = max_t(phys_addr_t, SZ_32K, int_vector_size); +#else /* If relocatable, reserve first 32k for interrupt vectors etc. */ + int_vector_size = SZ_32K; +#endif if (PHYSICAL_START > MEMORY_START) - memblock_reserve(MEMORY_START, 0x8000); + memblock_reserve(MEMORY_START, int_vector_size); reserve_kdump_trampoline(); #if defined(CONFIG_FA_DUMP) || defined(CONFIG_PRESERVE_FA_DUMP) /* @@ -846,9 +856,12 @@ void __init early_init_devtree(void *params) reserve_crashkernel(); early_reserve_mem(); - /* Ensure that total memory size is page-aligned. */ - limit = ALIGN(memory_limit ?: memblock_phys_mem_size(), PAGE_SIZE); - memblock_enforce_memory_limit(limit); + if (memory_limit > memblock_phys_mem_size()) + memory_limit = 0; + + /* Align down to 16 MB which is large page size with hash page translation */ + memory_limit = ALIGN_DOWN(memory_limit ?: memblock_phys_mem_size(), SZ_16M); + memblock_enforce_memory_limit(memory_limit); #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_PPC_4K_PAGES) if (!early_radix_enabled()) |