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| author | Philippe Schenker <philippe.schenker@toradex.com> | 2022-05-19 14:57:48 +0200 |
|---|---|---|
| committer | Philippe Schenker <philippe.schenker@toradex.com> | 2022-05-19 14:57:48 +0200 |
| commit | 0e61b511dd8474280ba674590daa55f30433b7d4 (patch) | |
| tree | 48c35f63dc1101d0d528b5d79c81849b99ca7c6d /arch/powerpc/kernel/machine_kexec.c | |
| parent | c4bda7fe18b3ff6898f8fa110a3d60ee8f4379a0 (diff) | |
| parent | 01565c91b789a1612051e735a65f11096a6f08e8 (diff) | |
Merge tag 'v5.4.193' into update-to-2.3.7__5.4-2.3.x-imx
This is the 5.4.193 stable release
Conflicts:
arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
drivers/edac/synopsys_edac.c
drivers/mmc/host/sdhci-esdhc-imx.c
drivers/mmc/host/sdhci.c
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
sound/soc/codecs/msm8916-wcd-analog.c
Diffstat (limited to 'arch/powerpc/kernel/machine_kexec.c')
| -rw-r--r-- | arch/powerpc/kernel/machine_kexec.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c index 7a1c11a7cba5..716f8bb17461 100644 --- a/arch/powerpc/kernel/machine_kexec.c +++ b/arch/powerpc/kernel/machine_kexec.c @@ -146,11 +146,18 @@ void __init reserve_crashkernel(void) if (!crashk_res.start) { #ifdef CONFIG_PPC64 /* - * On 64bit we split the RMO in half but cap it at half of - * a small SLB (128MB) since the crash kernel needs to place - * itself and some stacks to be in the first segment. + * On the LPAR platform place the crash kernel to mid of + * RMA size (512MB or more) to ensure the crash kernel + * gets enough space to place itself and some stack to be + * in the first segment. At the same time normal kernel + * also get enough space to allocate memory for essential + * system resource in the first segment. Keep the crash + * kernel starts at 128MB offset on other platforms. */ - crashk_res.start = min(0x8000000ULL, (ppc64_rma_size / 2)); + if (firmware_has_feature(FW_FEATURE_LPAR)) + crashk_res.start = ppc64_rma_size / 2; + else + crashk_res.start = min(0x8000000ULL, (ppc64_rma_size / 2)); #else crashk_res.start = KDUMP_KERNELBASE; #endif |