The popular Linus Torvalds harshly criticizes the Spectre patches issued by Intel to patch the Spectre variant 2 flaw affecting its processor chips. Intel has decided to do not disable the prediction feature in future chips until the company will implement design changes in microarchitecture. This means that the shipped chips will be vulnerable by default and will include a protection flag that can be set by software. Intels decision to address the issues in this way is mainly motivated by the intention to avoid legal liability.”]
Source: http://securityaffairs.co/wordpress/68090/security/torvalds-spectre-patches.html