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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/arm/include/asm/spectre.h | |
| 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/arm/include/asm/spectre.h')
| -rw-r--r-- | arch/arm/include/asm/spectre.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/include/asm/spectre.h b/arch/arm/include/asm/spectre.h new file mode 100644 index 000000000000..85f9e538fb32 --- /dev/null +++ b/arch/arm/include/asm/spectre.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __ASM_SPECTRE_H +#define __ASM_SPECTRE_H + +enum { + SPECTRE_UNAFFECTED, + SPECTRE_MITIGATED, + SPECTRE_VULNERABLE, +}; + +enum { + __SPECTRE_V2_METHOD_BPIALL, + __SPECTRE_V2_METHOD_ICIALLU, + __SPECTRE_V2_METHOD_SMC, + __SPECTRE_V2_METHOD_HVC, + __SPECTRE_V2_METHOD_LOOP8, +}; + +enum { + SPECTRE_V2_METHOD_BPIALL = BIT(__SPECTRE_V2_METHOD_BPIALL), + SPECTRE_V2_METHOD_ICIALLU = BIT(__SPECTRE_V2_METHOD_ICIALLU), + SPECTRE_V2_METHOD_SMC = BIT(__SPECTRE_V2_METHOD_SMC), + SPECTRE_V2_METHOD_HVC = BIT(__SPECTRE_V2_METHOD_HVC), + SPECTRE_V2_METHOD_LOOP8 = BIT(__SPECTRE_V2_METHOD_LOOP8), +}; + +#ifdef CONFIG_GENERIC_CPU_VULNERABILITIES +void spectre_v2_update_state(unsigned int state, unsigned int methods); +#else +static inline void spectre_v2_update_state(unsigned int state, + unsigned int methods) +{} +#endif + +int spectre_bhb_update_vectors(unsigned int method); + +#endif |